Rewrite with style (and relicense)8.0

Signed-off-by: Mattias Andrée <maandree@kth.se>

16 files changed, 596 insertions, 3407 deletions

diff --git a/.gitignore b/.gitignore
index 7df2bd8..ce640f9 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,41 +1,6 @@
-_/
-bin/
-obj/
-.*
-!.git*
 *~
-\#*\#
-*.swp
-*.bak
-*.pdf
-*.ps
-*.dvi
-*.info
-*.install
-*.class
-*.out
+*\#*
 *.o
-*.gch
+*.out
 *.su
-
-/dist/*/*/*
-!/dist/*/*/PKGBUILD
-!/dist/*/*/adjbacklight.install
-*.gz
-*.xz
-
-/adjbacklight.aux
-/adjbacklight.cp
-/adjbacklight.cps
-/adjbacklight.fn
-/adjbacklight.ky
-/adjbacklight.log
-/adjbacklight.pg
-/adjbacklight.toc
-/adjbacklight.tp
-/adjbacklight.vr
-/adjbacklight.op
-/adjbacklight.ops
-/adjbacklight.pgs
-/adjbacklight.vrs
-
+/adjbacklight
diff --git a/COPYING b/COPYING
deleted file mode 100644
index a711bb0..0000000
--- a/COPYING
+++ /dev/null
@@ -1,16 +0,0 @@
-adjbacklight – Convenient method for adjusting the backlight on your portable computer
-
-Copyright © 2012, 2013, 2014, 2015  Mattias Andrée (maandree@member.fsf.org)
-
-This program is free software: you can redistribute it and/or modify
-it under the terms of the GNU General Public License as published by
-the Free Software Foundation, either version 3 of the License, or
-(at your option) any later version.
-
-This program is distributed in the hope that it will be useful,
-but WITHOUT ANY WARRANTY; without even the implied warranty of
-MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-GNU General Public License for more details.
-
-You should have received a copy of the GNU General Public License
-along with this program.  If not, see <http://www.gnu.org/licenses/>.
diff --git a/LICENSE b/LICENSE
index 94a9ed0..0965243 100644
--- a/LICENSE
+++ b/LICENSE
@@ -1,674 +1,15 @@
-                    GNU GENERAL PUBLIC LICENSE
-                       Version 3, 29 June 2007
+ISC License
 
- Copyright (C) 2007 Free Software Foundation, Inc. <http://fsf.org/>
- Everyone is permitted to copy and distribute verbatim copies
- of this license document, but changing it is not allowed.
+© 2012, 2013, 2014, 2015, 2017 Mattias Andrée <maandree@kth.se>
 
-                            Preamble
+Permission to use, copy, modify, and/or distribute this software for any
+purpose with or without fee is hereby granted, provided that the above
+copyright notice and this permission notice appear in all copies.
 
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-to collect a royalty for further conveying from those to whom you convey
-the Program, the only way you could satisfy both those terms and this
-License would be to refrain entirely from conveying the Program.
-
-  13. Use with the GNU Affero General Public License.
-
-  Notwithstanding any other provision of this License, you have
-permission to link or combine any covered work with a work licensed
-under version 3 of the GNU Affero General Public License into a single
-combined work, and to convey the resulting work.  The terms of this
-License will continue to apply to the part which is the covered work,
-but the special requirements of the GNU Affero General Public License,
-section 13, concerning interaction through a network will apply to the
-combination as such.
-
-  14. Revised Versions of this License.
-
-  The Free Software Foundation may publish revised and/or new versions of
-the GNU General Public License from time to time.  Such new versions will
-be similar in spirit to the present version, but may differ in detail to
-address new problems or concerns.
-
-  Each version is given a distinguishing version number.  If the
-Program specifies that a certain numbered version of the GNU General
-Public License "or any later version" applies to it, you have the
-option of following the terms and conditions either of that numbered
-version or of any later version published by the Free Software
-Foundation.  If the Program does not specify a version number of the
-GNU General Public License, you may choose any version ever published
-by the Free Software Foundation.
-
-  If the Program specifies that a proxy can decide which future
-versions of the GNU General Public License can be used, that proxy's
-public statement of acceptance of a version permanently authorizes you
-to choose that version for the Program.
-
-  Later license versions may give you additional or different
-permissions.  However, no additional obligations are imposed on any
-author or copyright holder as a result of your choosing to follow a
-later version.
-
-  15. Disclaimer of Warranty.
-
-  THERE IS NO WARRANTY FOR THE PROGRAM, TO THE EXTENT PERMITTED BY
-APPLICABLE LAW.  EXCEPT WHEN OTHERWISE STATED IN WRITING THE COPYRIGHT
-HOLDERS AND/OR OTHER PARTIES PROVIDE THE PROGRAM "AS IS" WITHOUT WARRANTY
-OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING, BUT NOT LIMITED TO,
-THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
-PURPOSE.  THE ENTIRE RISK AS TO THE QUALITY AND PERFORMANCE OF THE PROGRAM
-IS WITH YOU.  SHOULD THE PROGRAM PROVE DEFECTIVE, YOU ASSUME THE COST OF
-ALL NECESSARY SERVICING, REPAIR OR CORRECTION.
-
-  16. Limitation of Liability.
-
-  IN NO EVENT UNLESS REQUIRED BY APPLICABLE LAW OR AGREED TO IN WRITING
-WILL ANY COPYRIGHT HOLDER, OR ANY OTHER PARTY WHO MODIFIES AND/OR CONVEYS
-THE PROGRAM AS PERMITTED ABOVE, BE LIABLE TO YOU FOR DAMAGES, INCLUDING ANY
-GENERAL, SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THE
-USE OR INABILITY TO USE THE PROGRAM (INCLUDING BUT NOT LIMITED TO LOSS OF
-DATA OR DATA BEING RENDERED INACCURATE OR LOSSES SUSTAINED BY YOU OR THIRD
-PARTIES OR A FAILURE OF THE PROGRAM TO OPERATE WITH ANY OTHER PROGRAMS),
-EVEN IF SUCH HOLDER OR OTHER PARTY HAS BEEN ADVISED OF THE POSSIBILITY OF
-SUCH DAMAGES.
-
-  17. Interpretation of Sections 15 and 16.
-
-  If the disclaimer of warranty and limitation of liability provided
-above cannot be given local legal effect according to their terms,
-reviewing courts shall apply local law that most closely approximates
-an absolute waiver of all civil liability in connection with the
-Program, unless a warranty or assumption of liability accompanies a
-copy of the Program in return for a fee.
-
-                     END OF TERMS AND CONDITIONS
-
-            How to Apply These Terms to Your New Programs
-
-  If you develop a new program, and you want it to be of the greatest
-possible use to the public, the best way to achieve this is to make it
-free software which everyone can redistribute and change under these terms.
-
-  To do so, attach the following notices to the program.  It is safest
-to attach them to the start of each source file to most effectively
-state the exclusion of warranty; and each file should have at least
-the "copyright" line and a pointer to where the full notice is found.
-
-    <one line to give the program's name and a brief idea of what it does.>
-    Copyright (C) <year>  <name of author>
-
-    This program is free software: you can redistribute it and/or modify
-    it under the terms of the GNU General Public License as published by
-    the Free Software Foundation, either version 3 of the License, or
-    (at your option) any later version.
-
-    This program is distributed in the hope that it will be useful,
-    but WITHOUT ANY WARRANTY; without even the implied warranty of
-    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-    GNU General Public License for more details.
-
-    You should have received a copy of the GNU General Public License
-    along with this program.  If not, see <http://www.gnu.org/licenses/>.
-
-Also add information on how to contact you by electronic and paper mail.
-
-  If the program does terminal interaction, make it output a short
-notice like this when it starts in an interactive mode:
-
-    <program>  Copyright (C) <year>  <name of author>
-    This program comes with ABSOLUTELY NO WARRANTY; for details type `show w'.
-    This is free software, and you are welcome to redistribute it
-    under certain conditions; type `show c' for details.
-
-The hypothetical commands `show w' and `show c' should show the appropriate
-parts of the General Public License.  Of course, your program's commands
-might be different; for a GUI interface, you would use an "about box".
-
-  You should also get your employer (if you work as a programmer) or school,
-if any, to sign a "copyright disclaimer" for the program, if necessary.
-For more information on this, and how to apply and follow the GNU GPL, see
-<http://www.gnu.org/licenses/>.
-
-  The GNU General Public License does not permit incorporating your program
-into proprietary programs.  If your program is a subroutine library, you
-may consider it more useful to permit linking proprietary applications with
-the library.  If this is what you want to do, use the GNU Lesser General
-Public License instead of this License.  But first, please read
-<http://www.gnu.org/philosophy/why-not-lgpl.html>.
+THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
diff --git a/Makefile b/Makefile
index 3bfbdbb..d88ecc7 100644
--- a/Makefile
+++ b/Makefile
@@ -1,212 +1,32 @@
-# Copyright © 2012, 2013, 2014  Mattias Andrée (maandree@member.fsf.org)
-# 
-# Copying and distribution of this file, with or without modification,
-# are permitted in any medium without royalty provided the copyright
-# notice and this notice are preserved.  This file is offered as-is,
-# without any warranty.
-# 
-# [GNU All Permissive License]
+.POSIX:
 
-PREFIX = /usr
-BIN = /bin
-BINDIR = $(PREFIX)$(BIN)
-DATA = /share
-DATADIR = $(PREFIX)$(DATA)
-DOCDIR = $(DATADIR)/doc
-INFODIR = $(DATADIR)/info
-MANDIR = $(DATADIR)/man
-MAN1DIR = $(MANDIR)/man1
-LICENSEDIR = $(DATADIR)/licenses
+CONFIGFILE = config.mk
+include $(CONFIGFILE)
 
+all: adjbacklight
 
-PKGNAME = adjbacklight
-COMMAND = adjbacklight
+adjbacklight.o: adjbacklight.c arg.h
+	$(CC) -c -o adjbacklight.o adjbacklight.c $(CCFLAGS) $(CPPFLAGS)
 
+adjbacklight: adjbacklight.o
+	$(CC) -o adjbacklight adjbacklight.o $(LDFLAGS)
 
-OPTIMISATION = -Ofast
-# -Os     optimise for small size
-# -Ofast  optimise for performance
-# -Og     optimise for debugging
-# -g      include debugging data (use together with -Og or alone)
+install: adjbacklight
+	mkdir -p -- "$(DESTDIR)$(PREFIX)/bin"
+	mkdir -p -- "$(DESTDIR)$(MANPREFIX)/man1"
+	mkdir -p -- "$(DESTDIR)$(PREFIX)/share/licenses/adjbacklight"
+	cp -- adjbacklight "$(DESTDIR)$(PREFIX)/bin"
+	cp -- adjbacklight.1 "$(DESTDIR)$(MANPREFIX)/man1"
+	cp -- LICENSE "$(DESTDIR)$(PREFIX)/share/licenses/adjbacklight"
+	chmod -- 4755 "$(DESTDIR)$(PREFIX)/bin/adjbacklight"
 
-WARN = -Wall -Wextra -Wdouble-promotion -Wformat=2 -Winit-self -Wmissing-include-dirs            \
-       -Wtrampolines -Wfloat-equal -Wshadow -Wmissing-prototypes -Wmissing-declarations          \
-       -Wredundant-decls -Wnested-externs -Winline -Wno-variadic-macros -Wsync-nand              \
-       -Wunsafe-loop-optimizations -Wcast-align -Wstrict-overflow -Wdeclaration-after-statement  \
-       -Wundef -Wbad-function-cast -Wcast-qual -Wwrite-strings -Wlogical-op -Waggregate-return   \
-       -Wstrict-prototypes -Wold-style-definition -Wpacked -Wvector-operation-performance        \
-       -Wunsuffixed-float-constants -Wsuggest-attribute=const -Wsuggest-attribute=noreturn       \
-       -Wsuggest-attribute=pure -Wsuggest-attribute=format -Wnormalized=nfkc -Wconversion        \
-       -fstrict-aliasing -fstrict-overflow -fipa-pure-const -ftree-vrp -fstack-usage             \
-       -funsafe-loop-optimizations
-# excluded: -pedantic
-
-
-
-# compile the package
-.PHONY: default
-default: code info shell
-
-.PHONY: all
-all: code doc shell
-
-.PHONY: code
-code: bin/adjbacklight
-
-bin/adjbacklight: src/adjbacklight.c
-	@mkdir -p bin
-	$(CC) $(OPTIMISATION) $(WARN) -std=gnu90 -o "$@" "$<"
-
-.PHONY: code
-doc: info pdf dvi ps
-
-.PHONY: info
-info: bin/adjbacklight.info
-bin/%.info: doc/info/%.texinfo
-	@mkdir -p bin
-	$(MAKEINFO) "$<"
-	mv $*.info $@
-
-.PHONY: pdf
-pdf: bin/adjbacklight.pdf
-bin/%.pdf: doc/info/%.texinfo
-	@! test -d obj/pdf || rm -rf obj/pdf
-	@mkdir -p bin obj/pdf
-	cd obj/pdf && texi2pdf ../../"$<" < /dev/null
-	mv obj/pdf/$*.pdf $@
-
-.PHONY: dvi
-dvi: bin/adjbacklight.dvi
-bin/%.dvi: doc/info/%.texinfo
-	@! test -d obj/dvi || rm -rf obj/dvi
-	@mkdir -p bin obj/dvi
-	cd obj/dvi && $(TEXI2DVI) ../../"$<" < /dev/null
-	mv obj/dvi/$*.dvi $@
-
-.PHONY: ps
-ps: bin/adjbacklight.ps
-bin/%.ps: doc/info/%.texinfo
-	@! test -d obj/ps || rm -rf obj/ps
-	@mkdir -p bin obj/ps
-	cd obj/ps && texi2pdf --ps ../../"$<" < /dev/null
-	mv obj/ps/$*.ps $@
-
-.PHONY: shell
-shell: bash fish zsh
-
-.PHONY: bash
-bash: bin/adjbacklight.bash-completion
-
-.PHONY: fish
-fish: bin/adjbacklight.fish-completion
-
-.PHONY: zsh
-zsh: bin/adjbacklight.zsh-completion
-
-obj/adjbacklight.auto-completion: src/adjbacklight.auto-completion
-	@mkdir -p obj
-	cp "$<" "$@"
-	sed -i 's/^(adjbacklight$$/($(COMMAND)/' "$@"
-
-bin/adjbacklight.%sh-completion: obj/adjbacklight.auto-completion
-	@mkdir -p bin
-	auto-auto-complete "$*sh" --output "$@" --source "$<"
-
-
-# install to system
-.PHONY: install
-install: install-base install-info install-man install-shell
-
-.PHONY: install-all
-install-all: install-base install-doc install-shell
-
-.PHONY: install-base
-install-base: install-cmd install-copyright
-
-.PHONY: install-cmd
-install-cmd: bin/adjbacklight
-	install -d -- "$(DESTDIR)$(BINDIR)"
-	install -m4755 -- bin/adjbacklight "$(DESTDIR)$(BINDIR)/$(COMMAND)"
-
-.PHONY: install-copyright
-install-copyright: install-copying install-license
-
-.PHONY: install-copying
-install-copying:
-	install -dm755 -- "$(DESTDIR)$(LICENSEDIR)/$(PKGNAME)"
-	install -m644 -- COPYING "$(DESTDIR)$(LICENSEDIR)/$(PKGNAME)"
-
-.PHONY: install-license
-install-license:
-	install -dm755 -- "$(DESTDIR)$(LICENSEDIR)/$(PKGNAME)"
-	install -m644 -- LICENSE "$(DESTDIR)$(LICENSEDIR)/$(PKGNAME)"
-
-.PHONY: install-doc
-install-doc: install-info install-pdf install-dvi install-ps install-man
-
-.PHONY: install-info
-install-info: bin/adjbacklight.info
-	install -dm755 -- "$(DESTDIR)$(INFODIR)"
-	install -m644 -- "$<" "$(DESTDIR)$(INFODIR)/$(PKGNAME).info"
-
-.PHONY: install-pdf
-install-pdf: bin/adjbacklight.pdf
-	install -dm755 -- "$(DESTDIR)$(DOCDIR)"
-	install -m644 -- "$<" "$(DESTDIR)$(DOCDIR)/$(PKGNAME).pdf"
-
-.PHONY: install-dvi
-install-dvi: bin/adjbacklight.dvi
-	install -dm755 -- "$(DESTDIR)$(DOCDIR)"
-	install -m644 -- "$<" "$(DESTDIR)$(DOCDIR)/$(PKGNAME).dvi"
-
-.PHONY: install-ps
-install-ps: bin/adjbacklight.ps
-	install -dm755 -- "$(DESTDIR)$(DOCDIR)"
-	install -m644 -- "$<" "$(DESTDIR)$(DOCDIR)/$(PKGNAME).ps"
-
-.PHONY: install-man
-install-man: doc/man/adjbacklight.1
-	install -dm755 -- "$(DESTDIR)$(MAN1DIR)"
-	install -m644 "$<" -- "$(DESTDIR)$(MAN1DIR)/$(COMMAND).1"
-
-.PHONY: install-shell
-install-shell: install-bash install-fish install-zsh
-
-.PHONY: install-bash
-install-bash: bin/adjbacklight.bash-completion
-	install -dm755 -- "$(DESTDIR)$(DATADIR)/bash-completion/completions"
-	install -m644 "$<" -- "$(DESTDIR)$(DATADIR)/bash-completion/completions/$(COMMAND)"
-
-.PHONY: install-fish
-install-fish: bin/adjbacklight.fish-completion
-	install -dm755 -- "$(DESTDIR)$(DATADIR)/fish/completions"
-	install -m644 "$<" -- "$(DESTDIR)$(DATADIR)/fish/completions/$(COMMAND).fish"
-
-.PHONY: install-zsh
-install-zsh: bin/adjbacklight.zsh-completion
-	install -dm755 -- "$(DESTDIR)$(DATADIR)/zsh/site-functions"
-	install -m644 "$<" -- "$(DESTDIR)$(DATADIR)/zsh/site-functions/_$(COMMAND)"
-
-
-# remove files created by `install`
-.PHONY: uninstall
 uninstall:
-	-rm -- "$(DESTDIR)$(BINDIR)/$(COMMAND)"
-	-rm -- "$(DESTDIR)$(LICENSEDIR)/$(PKGNAME)/COPYING"
-	-rm -- "$(DESTDIR)$(LICENSEDIR)/$(PKGNAME)/LICENSE"
-	-rmdir -- "$(DESTDIR)$(LICENSEDIR)/$(PKGNAME)"
-	-rm -- "$(DESTDIR)$(INFODIR)/$(PKGNAME).info"
-	-rm -- "$(DESTDIR)$(DOCDIR)/$(PKGNAME).pdf"
-	-rm -- "$(DESTDIR)$(DOCDIR)/$(PKGNAME).dvi"
-	-rm -- "$(DESTDIR)$(DOCDIR)/$(PKGNAME).ps"
-	-rm -- "$(DESTDIR)$(DATADIR)/bash-completion/completions/$(COMMAND)"
-	-rm -- "$(DESTDIR)$(DATADIR)/fish/completions/$(COMMAND).fish"
-	-rm -- "$(DESTDIR)$(DATADIR)/zsh/site-functions/_$(COMMAND)"
-	-rm -- "$(DESTDIR)$(MAN1)/$(COMMAND).1"
-
+	-rm -- "$(DESTDIR)$(PREFIX)/bin/adjbacklight"
+	-rm -- "$(DESTDIR)$(MANPREFIX)/man1/adjbacklight.1"
+	-rm -- "$(DESTDIR)$(PREFIX)/share/licenses/adjbacklight/LICENSE"
+	-rmdir -- "$(DESTDIR)$(PREFIX)/share/licenses/adjbacklight"
 
-# remove files created by `all`
-.PHONY: clean
 clean:
-	-rm -r bin obj
+	-rm -- adjbacklight *.o
 
+.PHONY: all install uninstall clean
diff --git a/README b/README
index 801b3b0..10a522d 100644
--- a/README
+++ b/README
@@ -2,7 +2,7 @@ NAME
 	adjbacklight - Convenient method for adjusting the backlight on your portable computer
 
 SYNOPSIS
-	adjbacklight (-c | -w | [-g | -s LEVEL | LEVEL] [-a | DEVICE...])
+	adjbacklight [-g | -s [+|-]level[%|%%]] [-a | device ...]
 
 DESCRIPTION
 	adjbacklight can be used to fetch or set the backlight
@@ -22,36 +22,34 @@ DESCRIPTION
 	be used non-interactively with hotkeys set up in xbindkeys(1).
 
 OPTIONS
-	-c
-	--copyright
-	--copying       Display copyright information.
+	-a              Run for all devices, including ACPI devices.
 
-	-w
-	--warranty      Display warranty disclaimer.
+	-g              Get average brightness on devices.
 
-	-a
-	--all           Run for all devices, including ACPI devices.
+	-s LEVEL        Set brightness on devices by actual value.
 
-	-g
-	--get           Get average brightness on devices.
+	-s +LEVEL       Increase brightness on devices by actual value.
 
-	-s
-	--set LEVEL[%]  Set brightness on devices.
+	-s -LEVEL       Decrease brightness on devices by actual value.
 
-	+LEVEL          Increase brightness on devices by actual value.
-	-LEVEL          Decrease brightness on devices by actual value.
-	=LEVEL          Set brightness on devices by actual value.
+	-s LEVEL%       Set brightness on devices by percentage-points.
 
-	+LEVEL%         Increase brightness on devices by percentage-points.
-	-LEVEL%         Decrease brightness on devices by percentage-points.
-	=LEVEL%         Set brightness on devices by percentage-points.
+	-s +LEVEL%      Increase brightness on devices by percentage-points.
 
-	+LEVEL%%        Increase brightness on devices by percentage.
-	-LEVEL%%        Decrease brightness on devices by percentage.
-	=LEVEL%%        Set brightness on devices by percentage.
+	-s -LEVEL%      Decrease brightness on devices by percentage-points.
 
-SEE ALSO
-	xbindkeys(1), xbacklight(1), sys_class_backlight(4)
+	-s LEVEL%%      Set brightness on devices by percentage.
+
+	-s +LEVEL%%     Increase brightness on devices by percentage.
+
+	-s -LEVEL%%     Decrease brightness on devices by percentage.
 
-	Full documentation available locally via: info '(adjbacklight)'
+KEYBOARD
+	left, down      Darken the screen.
 
+	right, up       Brighten the screen.
+
+	q, enter, C-d	Continue to next controller, or if at last, quit.
+
+SEE ALSO
+	xbindkeys(1), xbacklight(1)
diff --git a/doc/man/adjbacklight.1 b/adjbacklight.1
index 81db62d..3596e5d 100644
--- a/doc/man/adjbacklight.1
+++ b/adjbacklight.1
@@ -3,22 +3,20 @@
 adjbacklight - Convenient method for adjusting the backlight on your portable computer
 .SH SYNOPSIS
 .B adjbacklight
-(-c | -w | [-g | -s
-.IR LEVEL
-|
-.IR LEVEL ]
+[-g | -s
+.RB [ + | - ]\fIlevel\fP[ % | %% ]]
 [-a |
-.IR DEVICE ...])
+.IR device \ ...]
 .SH DESCRIPTION
 .B adjbacklight
 can be used to fetch or set the backlight non-interactively.
 If these feature is not used, it starts a interactive user
 interface in the terminal.
-.PP
+.P
 .B adjbacklight
 installs with the set-uid bit set, to enable any user to
 change the backlight on the computer.
-.PP
+.P
 .B adjbacklight
 was originally designed for small netbooks that are not running
 .BR X .
@@ -39,66 +37,51 @@ non-interactively with hotkeys set up in
 .BR xbindkeys (1).
 .SH OPTIONS
 .TP
-.BR \-c ,\  \-\-copyright ,\  \-\-copying
-Display copyright information.
-.TP
-.BR \-w, \  \-\-warranty
-Display warranty disclaimer.
-.TP
-.BR \-a, \  \-\-all
+.BR \-a
 Run for all devices, including ACPI devices.
 .TP
-.BR \-g, \  \-\-get
+.BR \-g
 Get average brightness on devices.
 .TP
-.BR \-s, \   \-\-set \ \fILEVEL\fP[%]
-Set brightness on devices.
-.PP
+.BR -s \ \fIlevel\fP
+Set brightness on devices by actual value.
 .TP
-.BR \+ \fILEVEL\fP
+.BR -s\ + \fIlevel\fP
 Increase brightness on devices by actual value.
 .TP
-.BR \- \fILEVEL\fP
+.BR -s\ - \fIlevel\fP
 Decrease brightness on devices by actual value.
 .TP
-.BR \= \fILEVEL\fP
-Set brightness on devices by actual value.
-.br
+.BR -s \ \fIlevel\fP%
+Set brightness on devices by percentage-points.
 .TP
-.BR \+ \fILEVEL\fP%
+.BR -s\ + \fIlevel\fP%
 Increase brightness on devices by percentage-points.
 .TP
-.BR \- \fILEVEL\fP%
+.BR -s\ - \fIlevel\fP%
 Decrease brightness on devices by percentage-points.
 .TP
-.BR \= \fILEVEL\fP%
-Set brightness on devices by percentage-points.
-.br
+.BR -s \ \fIlevel\fP%%
+Set brightness on devices by percentage.
 .TP
-.BR \+ \fILEVEL\fP%%
+.BR -s\ + \fIlevel\fP%%
 Increase brightness on devices by percentage.
 .TP
-.BR \- \fILEVEL\fP%%
+.BR -s\ - \fIlevel\fP%%
 Decrease brightness on devices by percentage.
+.SH KEYBOARD
 .TP
-.BR \= \fILEVEL\fP%%
-Set brightness on devices by percentage.
+.BR left ,\  down
+Darken the screen.
+.TP
+.BR right ,\  up
+Brighten the screen.
+.TP
+.BR q ,\  enter ,\  C-d
+Continue to next controller, or if at last, quit.
 .SH "SEE ALSO"
 .BR xbindkeys (1),
 .BR xbacklight (1)
-.PP
-Full documentation available locally via: info \(aq(adjbacklight)\(aq
 .SH AUTHORS
-Principal author, Mattias Andrée.  See the COPYING file for the full
-list of authors.
-.SH LICENSE
-Copyright \(co 2012, 2013, 2014, 2015  Mattias Andrée
-.br
-License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>.
-.br
-This is free software: you are free to change and redistribute it.
-.br
-There is NO WARRANTY, to the extent permitted by law.
-.SH BUGS
-Please report bugs to https://github.com/maandree/adjbacklight/issues or to
-maandree@member.fsf.org
+Mattias Andrée
+.RI < maandree@kth.se >
diff --git a/adjbacklight.c b/adjbacklight.c
new file mode 100644
index 0000000..9fe68c1
--- /dev/null
+++ b/adjbacklight.c
@@ -0,0 +1,425 @@
+/* See LICENSE file for copyright and license details. */
+#include <sys/ioctl.h>
+#include <sys/wait.h>
+#include <alloca.h>
+#include <ctype.h>
+#include <dirent.h>
+#include <errno.h>
+#include <fcntl.h>
+#include <grp.h>
+#include <limits.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <termios.h>
+#include <unistd.h>
+
+#include "arg.h"
+
+
+#ifndef BACKLIGHT_DIR
+# define BACKLIGHT_DIR "/sys/class/backlight"
+#endif
+
+
+
+char *argv0;
+static double brightness = 0;
+static int nbrightness = 0;
+static int cols = 80;
+static char *space;
+static char *line;
+
+
+
+static void
+usage(void)
+{
+	fprintf(stderr, "usage: %s [-g | -s [+|-]level[%%|%%%%]] [-a | device ...]\n", argv0);
+	exit(1);
+}
+
+
+static long int
+readfile(const char *path)
+{
+	int fd;
+	char buf[64];
+	ssize_t i, n;
+	long int value = 0;
+
+	fd = open(path, O_RDONLY);
+	if (fd < 0)
+		return -1;
+
+	while ((n = read(fd, buf, sizeof(buf))) > 0) {
+		for (i = 0; i < n; i++) {
+			if (isdigit(buf[i]))
+				value = value * 10 + (buf[i] - '0');
+			else if (buf[i] != '\n')
+				goto out;
+		}
+	}
+
+out:
+	close(fd);
+	return n ? -1 : value;
+}
+
+
+static double
+getbrightness(const char *device, long int *out_cur, long int *out_max)
+{
+	size_t n = sizeof("//max_brightness") - 1;
+	char *path;
+	long int max, cur;
+
+	n += strlen(BACKLIGHT_DIR);
+	n += strlen(device);
+	path = alloca(n + 1);
+
+	if (sprintf(path, "%s/%s/max_brightness", BACKLIGHT_DIR, device) != (int)n)
+		abort();
+	max = readfile(path);
+	if (max < 1)
+		return -1;
+	if (out_max)
+		*out_max = max;
+
+	if (sprintf(path, "%s/%s/brightness", BACKLIGHT_DIR, device) != (int)n - 4)
+		abort();
+	cur = readfile(path);
+	if (cur < 0)
+		return -1;
+	if (out_cur)
+		*out_cur = cur;
+
+	return (double)cur / (double)max;
+}
+
+
+static int
+setbrightness(const char *device, long int value)
+{
+	size_t p = 0, n = sizeof("//brightness") - 1;
+	char *path, buf[128];
+	ssize_t r = 0;
+	int fd;
+
+	n += strlen(BACKLIGHT_DIR);
+	n += strlen(device);
+	path = alloca(n + 1);
+
+	if (sprintf(path, "%s/%s/brightness", BACKLIGHT_DIR, device) != (int)n)
+		abort();
+	if (sprintf(buf, "%li\n", value) < 0)
+		abort();
+
+	fd = open(path, O_WRONLY);
+	if (fd < 0)
+		return -1;
+
+	for (n = strlen(buf); p < n; p += (size_t)r)
+		if ((r = write(fd, &buf[p], n - p)) < 0)
+			break;
+
+	close(fd);
+	return r < 0 ? -1 : 0;
+}
+
+
+static int
+adjbrightness(const char *device, double pcur, long int cur, long int max, double adj, int inc, const char *suf)
+{
+	switch (strlen(suf)) {
+	case 2:
+		pcur = adj * pcur / 100 + pcur * inc;
+		cur = (long int)(pcur * (double)max + 0.5);
+		break;
+	case 1:
+		pcur = adj / 100 + pcur * inc;
+		cur = (long int)(pcur * (double)max + 0.5);
+		break;
+	case 0:
+		cur = (long int)adj + cur * inc;
+		break;
+	default:
+		abort();
+	}
+
+	cur = cur < 0 ? 0 : cur < max ? cur : max;
+	return setbrightness(device, cur);
+}
+
+
+static void
+bars(long int max, long int init, long int cur)
+{
+	long int mid = (long int)((double)cur * (double)(cols - 2) / (double)max + 0.5);
+
+	printf("\033[%iD\033[6A", cols);
+	printf("\033[2K┌%s┐\n", line);
+	space[mid] = '\0';
+	printf("\033[2K│\033[47m%s\033[49m%s│\n", space, &space[mid + 1]);
+	space[mid] = ' ';
+	printf("\033[2K└%s┘\n", line);
+	printf("\033[2KMaximum brightness: %li\n", max);
+	printf("\033[2KInitial brightness: %li\n", init);
+	printf("\033[2KCurrent brightness: %li\n", cur);
+
+	fflush(stdout);
+}
+
+
+static void
+interactive(const char *device, long int cur, long int max)
+{
+	long int step, init;
+	int c;
+
+	step = max / 200;
+	step = step ? step : 1;
+	init = cur;
+
+	printf("\n\n\n\n\n\n");
+	bars(max, init, cur);
+	while ((c = getchar()) != -1) {
+		switch (c) {
+		case 'q':
+		case '\n':
+		case 4:
+			printf("\n");
+			return;
+		case 'A':
+		case 'C':
+			cur += step << 1;
+			/* fall through */
+		case 'B':
+		case 'D':
+			cur -= step;
+			cur = cur < 0 ? 0 : cur < max ? cur : max;
+			adjbrightness(device, 0, 0, max, (double)cur, 0, "");
+			bars(max, init, cur);
+		}
+	}
+}
+
+
+static void
+handle_device(const char *device, int get, int set, double adj, int inc, const char *suf)
+{
+	double value;
+	long int cur, max;
+
+	value = getbrightness(device, &cur, &max);
+
+	if (get) {
+		if (value >= 0) {
+			brightness += value;
+			nbrightness++;
+		}
+	} else if (set) {
+		adjbrightness(device, value, cur, max, adj, inc, suf);
+	} else {
+		interactive(device, cur, max);
+	}
+}
+
+
+int
+main(int argc, char *argv[])
+{
+	int all = 0;
+	int get = 0;
+	char* set = NULL;
+	char set_prefix = '=';
+	double set_value = 0;
+	char* set_suffix = NULL;
+	struct winsize win;
+	struct termios saved_stty;
+	struct termios stty;
+	pid_t pid = -1;
+	DIR *dir;
+	struct dirent *ent;
+	int any = 0;
+
+	ARGBEGIN {
+	case 'a':
+		all = 1;
+		break;
+	case 'g':
+		get = 1;
+		break;
+	case 's':
+		set = EARGF(usage());
+		break;
+	default:
+		usage();
+	} ARGEND;
+
+	if ((get && set) || (argc && all))
+		usage();
+
+	/* Parse -s argument */
+	if (set) {
+		if (*set == '+' || *set == '-') {
+			set_prefix = *set;
+			set++;
+		}
+		if (!isdigit(*set) && *set != '.')
+			usage();
+		errno = 0;
+		set_value = strtod(set, &set_suffix);
+		if (errno || set_value < 0) {
+			fprintf(stderr, "%s: strtod %s: %s\n", argv0, set, strerror(errno));
+			return 1;
+		}
+		if (*set_suffix && strcmp(set_suffix, "%") && strcmp(set_suffix, "%%"))
+			usage();
+		if (set_prefix == '-') {
+			set_value = -set_value;
+			set_prefix = '+';
+		}
+	}
+
+	/* Check permissions (important because the program is installed with set-uid) */
+	if (getuid()) {
+		struct group *videogrp = getgrnam("video");
+		if (!videogrp && errno && errno != ENOENT && errno != ESRCH && errno != EPERM) {
+			/* Note, glibc sets errno to EIO if the group does not exist,
+			 * this is the not the specified behavour by either POSIX or
+			 * glibc, and it would be a security issue to treat it as OK.
+			 * Additionally, EBADF is not treated as OK. */
+			fprintf(stderr, "%s: getgrnam video: %s\n", argv0, strerror(errno));
+			return 1;
+		} else if (videogrp) {
+			long ngroups_max = sysconf(_SC_NGROUPS_MAX) + 1;
+			gid_t *groups;
+			int ngroups;
+			if (ngroups_max < 0 || ngroups_max > INT_MAX - 1) {
+				fprintf(stderr, "%s: sysconf _SC_NGROUPS_MAX: %s\n", argv0, strerror(errno));
+				return 1;
+			}
+			groups = alloca((size_t)ngroups_max * sizeof(*groups));
+			ngroups = getgroups((int)ngroups_max, groups);
+			if (ngroups < 0) {
+				fprintf(stderr, "%s: getgroups: %s\n", argv0, strerror(errno));
+				return 1;
+			}
+			while (ngroups--)
+				if (groups[ngroups] == videogrp->gr_gid)
+					break;
+			if (ngroups < 0) {
+				fprintf(stderr, "%s: only root and members of the group 'video' may run this command\n", argv0);
+				return 1;
+			}
+		}
+	}
+
+	if (!get && !set) {
+		int i;
+		printf("\n\n");
+		printf("If the program is abnormally aborted the may be some residual\n");
+		printf("effects on the terminal. the following commands should reset it:\n");
+		printf("\n");
+		printf("    stty sane\n");
+		printf("    printf '\\ec'\n");
+		printf("\n");
+		printf("\n\n\n\n");
+
+		/* Get the size of the terminal */
+		if (ioctl(STDOUT_FILENO, TIOCGWINSZ, &win) == -1)
+			fprintf(stderr, "%s: ioctl <stdout> TIOCGWINSZ: %s\n", argv0, strerror(errno));
+		else
+			cols = win.ws_col;
+
+		line = malloc((size_t)cols * 3);
+		space = malloc((size_t)cols);
+		if (!line || !space) {
+			fprintf(stderr, "%s: malloc: %s\n", argv0, strerror(ENOMEM));
+			return 1;
+		}
+		for (i = 0; i < cols; i++) {
+			line[i * 3 + 0] = (char)(0xE2);
+			line[i * 3 + 1] = (char)(0x94);
+			line[i * 3 + 2] = (char)(0x80);
+		}
+		memset(space, ' ', (size_t)cols);
+		space[cols - 1] = '\0';
+		line[(cols - 2) * 3] = '\0';
+
+		/* stty -icanon -echo */
+		if (tcgetattr(STDIN_FILENO, &stty)) {
+			fprintf(stderr, "%s: tcgetattr <stdin>: %s\n", argv0, strerror(errno));
+			return 1;
+		}
+		saved_stty = stty;
+		stty.c_lflag &= (tcflag_t)~(ICANON | ECHO);
+		if (tcsetattr(STDIN_FILENO, TCSAFLUSH, &stty)) {
+			fprintf(stderr, "%s: tcsetattr <stdin>: %s\n", argv0, strerror(errno));
+			return 1;
+		}
+
+		/* Hide cursor */
+		printf("%s", "\033[?25l");
+		fflush(stdout);
+
+		/* Fork to diminish risk of unclean exit */
+		pid = fork();
+		if (pid == (pid_t)-1) {
+			fprintf(stderr, "%s: fork: %s\n", argv0, strerror(errno));
+		} else if (pid) {
+			waitpid(pid, NULL, 0);
+			goto done;
+		}
+	}
+
+	if (argc) {
+		for (; *argv; argv++) {
+			if (strchr(*argv, '/'))
+				*argv = strrchr(*argv, '/');
+			handle_device(*argv, get, !!set, set_value, set_prefix == '+', set_suffix);
+		}
+	} else {
+		if ((dir = opendir(BACKLIGHT_DIR))) {
+			while ((ent = readdir(dir))) {
+				if (all || strstr(ent->d_name, "acpi_video") == ent->d_name) {
+					if (*ent->d_name && *ent->d_name != '.') {
+						handle_device(ent->d_name, get, !!set, set_value, set_prefix == '+', set_suffix);
+						any = 1;
+					}
+				}
+			}
+			closedir(dir);
+		}
+		if (!any)
+			fprintf(stderr, "%s: cannot find any backlight devices\n", argv0);
+	}
+
+	if (get) {
+		if (nbrightness) {
+			brightness *= 100;
+			brightness /= (double)nbrightness;
+			printf("%.2lf%%\n", brightness);
+			fflush(stdout);
+		} else {
+			printf("%s\n", "100.00%");
+			fflush(stdout);
+		}
+	}
+
+done:
+      if (!get && !set && pid) {
+	      /* Show cursor */
+	      printf("%s", "\033[?25h");
+	      fflush(stdout);
+
+	      /* `stty icanon echo` */
+	      if (tcsetattr(STDIN_FILENO, TCSAFLUSH, &saved_stty)) {
+		      fprintf(stderr, "%s: tcsetattr <stdin>: %s\n", argv0, strerror(errno));
+		      return 1;
+	      }
+      }
+
+      return 0;
+}
diff --git a/arg.h b/arg.h
new file mode 100644
index 0000000..a88cce2
--- /dev/null
+++ b/arg.h
@@ -0,0 +1,76 @@
+/*
+ * Copy me if you can.
+ * by 20h
+ */
+
+#ifndef ARG_H__
+#define ARG_H__
+
+extern char *argv0;
+
+/* use main(int argc, char *argv[]) */
+#define ARGBEGIN	for (argv0 = *argv, argv++, argc--;\
+					argv[0] && argv[0][1];\
+					argc--, argv++) {\
+				char argc_;\
+				char **argv_;\
+				int brk_;\
+				if (argv[0][0] == '-') {\
+					if (argv[0][1] == '-' && argv[0][2] == '\0') {\
+						argv++;\
+						argc--;\
+						break;\
+					}\
+					for (brk_ = 0, argv[0]++, argv_ = argv;\
+							argv[0][0] && !brk_;\
+							argv[0]++) {\
+						if (argv_ != argv)\
+							break;\
+						argc_ = argv[0][0];\
+						switch (argc_)
+
+/* Handles obsolete -NUM syntax */
+#define ARGNUM					case '0':\
+						case '1':\
+						case '2':\
+						case '3':\
+						case '4':\
+						case '5':\
+						case '6':\
+						case '7':\
+						case '8':\
+						case '9'
+
+#define ARGALT(SYMBOL)			}\
+				} else if (argv[0][0] == SYMBOL) {\
+					for (brk_ = 0, argv[0]++, argv_ = argv;\
+							argv[0][0] && !brk_;\
+							argv[0]++) {\
+						if (argv_ != argv)\
+							break;\
+						argc_ = argv[0][0];\
+						switch (argc_)
+
+#define ARGEND				}\
+				} else {\
+					break;\
+				}\
+			}
+
+#define ARGC()		argc_
+
+#define ARGNUMF()	(brk_ = 1, estrtonum(argv[0], 0, INT_MAX))
+
+#define EARGF(x)	((argv[0][1] == '\0' && argv[1] == NULL)?\
+				((x), abort(), (char *)0) :\
+				(brk_ = 1, (argv[0][1] != '\0')?\
+					(&argv[0][1]) :\
+					(argc--, argv++, argv[0])))
+
+#define ARGF()		((argv[0][1] == '\0' && argv[1] == NULL)?\
+				(char *)0 :\
+				(brk_ = 1, (argv[0][1] != '\0')?\
+					(&argv[0][1]) :\
+					(argc--, argv++, argv[0])))
+
+#endif
diff --git a/config.mk b/config.mk
new file mode 100644
index 0000000..6f50bbb
--- /dev/null
+++ b/config.mk
@@ -0,0 +1,6 @@
+PREFIX = /usr/local
+MANPREFIX = $(PREFIX)/share/man
+
+CCFLAGS  = -std=c99 -Wall -Wextra -O2
+CPPFLAGS = -D_DEFAULT_SOURCE -D_BSD_SOURCE -D_XOPEN_SOURCE=700
+LDFLAGS  = -s
diff --git a/dist/archlinux/stable/PKGBUILD b/dist/archlinux/stable/PKGBUILD
deleted file mode 100644
index db8faf1..0000000
--- a/dist/archlinux/stable/PKGBUILD
+++ /dev/null
@@ -1,26 +0,0 @@
-# Maintainer: Mattias Andrée <`base64 -d`(bWFhbmRyZWUK)@member.fsf.org>
-
-pkgname=adjbacklight
-pkgver=7.3.2
-pkgrel=1
-pkgdesc="Convenient method for adjusting the backlight on your portable computer"
-arch=('x86_64' 'i686')
-url="https://github.com/maandree/adjbacklight"
-license=('GPL3')
-depends=('linux')
-makedepends=('texinfo' 'auto-auto-complete')
-install=adjbacklight.install
-source=(https://github.com/maandree/adjbacklight/archive/${pkgver}.tar.gz)
-sha256sums=(75b7760a2cda157b0a27d3d4290c73e6b4219d9b08a3b6f466e8486aa6be7d0a)
-
-
-build() {
-  cd "${srcdir}/adjbacklight-${pkgver}"
-  make DESTDIR="${pkgdir}/"
-}
-
-package() {
-  cd "${srcdir}/adjbacklight-${pkgver}"
-  make DESTDIR="${pkgdir}/" install
-}
-
diff --git a/dist/archlinux/stable/adjbacklight.install b/dist/archlinux/stable/adjbacklight.install
deleted file mode 100644
index ab4d945..0000000
--- a/dist/archlinux/stable/adjbacklight.install
+++ /dev/null
@@ -1,20 +0,0 @@
-_file="adjbacklight"
-
-infodir="usr/share/info"
-file="${_file}.info"
-
-
-post_install() {
-  [[ -x "usr/bin/install-info" ]] || return 0
-  install-info -- "${infodir}/${file}" "${infodir}/dir" 2> /dev/null
-}
-
-post_upgrade() {
-  post_install "$1"
-}
-
-pre_remove() {
-  [[ -x "usr/bin/install-info" ]] || return 0
-  install-info --delete -- "${infodir}/${file}" "${infodir}/dir" 2> /dev/null
-}
-
diff --git a/doc/info/adjbacklight.texinfo b/doc/info/adjbacklight.texinfo
deleted file mode 100644
index bf1da87..0000000
--- a/doc/info/adjbacklight.texinfo
+++ /dev/null
@@ -1,252 +0,0 @@
-\input texinfo   @c -*-texinfo-*-
-
-@c %**start of header
-@setfilename adjbacklight.info
-@settitle adjbacklight
-@afourpaper
-@documentencoding UTF-8
-@documentlanguage en
-@finalout
-@c %**end of header
-
-
-@dircategory Miscellaneous
-@direntry
-* adjbacklight: (adjbacklight).      Convenient method for adjusting the backlight on your portable computer
-@end direntry
-
-
-
-@c @defindex op
-@c @synindex op vr
-@c @synindex cp pg
-
-
-@copying
-This manual is for @command{adjbacklight}.
-
-Copyright @copyright{} 2013, 2014 Mattias Andrée  (maandree@@member.fsf.org)
-
-@quotation
-Permission is granted to copy, distribute and/or modify this document
-under the terms of the GNU Free Documentation License, Version 1.3 or
-any later version published by the Free Software Foundation; with no
-Invariant Sections, with no Front-Cover Texts, and with no Back-Cover
-Texts. A copy of the license is included in the section entitled
-``GNU Free Documentation License''.
-@end quotation
-@end copying
-
-
-@ifnottex
-@node Top
-@top adjbacklight
-@insertcopying
-@end ifnottex
-
-@titlepage
-@title adjbacklight 7.1
-@subtitle Convenient method for adjusting the backlight on your portable computer.
-@author Mattias Andrée, maandree@@member.fsf.org
-@page
-@vskip 0pt plus 1filll
-@insertcopying
-@page
-@*@*
-@center `And sometimes the portable computers' adjustment keys arn't even wired to the hardware…'
-@end titlepage
-
-@contents
-
-
-@menu
-* Overview::                        Overview of @command{adjbacklight}
-* Invoking::                        How to start @command{adjbacklight}
-* Using::                           How to use @command{adjbacklight}
-* Behind the scenes::               How @command{adjbacklight} works
-* License of adjbacklight::         Summary of the license of the program
-* GNU General Public License::      The license of the program
-* GNU Free Documentation License::  The license of this manual
-* Concept index::                   Concept index
-@end menu
-
-
-
-@node Overview
-@chapter Overview
-@cindex overview
-@cindex description
-
-@command{adjbacklight} is convient method for adjusting the backlight on your
-portable computer. Depending on your computer, the details of @command{adjbacklight}
-differs.
-
-For some computers program will adjust the same parameters as the keys on your
-keyboard, one other computers this program will adjust an independent parameter
-allowing more detailed adjustment and may not be affected by the battery status
-change. One some computers the keys for the suns does not do anything and is
-expected to be binded by the OS, for thoses computers this may be the best choice
-if you are in the TTY.
-
-@command{adjbacklight} allows 0.5 % precision, assuming that the firmware allows
-at least that. If you want higher precision, it is simple to modify the source
-code. Just run @code{sed -i s/200/400/g src/adjbacklight.c}, if you want
-0.25 % precision.
-
-@cindex root
-@cindex video
-@cindex permissions
-To use @command{adjbacklight} you must either be root or be a member of the
-group `video'. The `video' membership requirement is artificial so you can rip
-that out from the code if you prefer, but the effective user must be `root'
-(EUID = 0) otherwise you will not have permission to use files in
-@file{/sys/class/backlight} unless you make your initialisation
-system give you access.
-
-
-
-@node Invoking
-@chapter Invoking
-@cindex invoking
-@cindex starting
-@cindex options
-@cindex arguments
-@cindex device
-@cindex selecting device
-@cindex interactive mode
-@cindex non-interactive mode
-@cindex @command{adjbacklight}
-@cindex @option{-c}
-@cindex @option{--copying}
-@cindex @option{--copyright}
-@cindex @option{-w}
-@cindex @option{--warranty}
-@cindex @option{-a}
-@cindex @option{--all}
-@cindex @option{-g}
-@cindex @option{--get}
-@cindex @option{-s}
-@cindex @option{--set}
-
-@command{adjbacklight} can be started with @option{-c}, @option{--copying} or
-@option{--copyright} for displaying copyright information, @option{-w} or
-@option{--warranty} for displaying a warranty disclaimer.
-
-To actually use the program, just execute @command{adjbacklight} without any
-arguments, or with @option{-a} or @option{--all} to not limit the devices to
-those that are not ACPI video devices. Alternatively you can list the devices
-either by full path or just the name in the directory @file{/sys/class/backlight}.
-
-If you do not want to run in interactive mode, you can use the option
-@option{-g} or @option{--get} to get the average backlight of all devices
-selected by the arguments (as in interactive mode), the value will be
-printed percents with no whitespace between the value and the percent,
-the value will be formated in the traditional computer format, only 0-9
-with one dot (.) for separation of the integer part and the decimal part
-(which will be two digits.) If you want to set the backlight there are
-a few ways to do this: @option{-s} or @option{--set} followed by a value
-or the value directly but with a prepending `=' if it does not start with
-`+' or `-'. This argument is formated similar to the value printed by
-@option{--get}, except it may end with zero, one, or two percent signed.
-`+' is used for increase in brightness, `-' for decrease. Zero percent
-signed is used for a raw value, one percent signed is used for a cooked
-value that is usable on all backlight devices, and two percent signed
-is used for a value relative to the current value.
-
-Assume the current backlight is 50 (25 %) on a device and the maximum is
-200. @code{+25} will set it to 75 (37,5 %) and @code{-25} will set it to
-25 (12,5 %). @code{+50%} will set it to 75 % (150), @code{-50%} would
-set it to -25 % (-50) but because that is not within the accepted value
-range it will be truncated to 0. @code{+100%%} will set it to 100 (50 %),
-that it 200 % of the current brightness, @code{-50%%} will set it to
-25 (12,5 %), that is 50 % of the current brightness. For the following
-formats the `=' is optional if @option{-s} or @option{--set} is used.
-@code{=150} will set the brightness to 150 (75 %), @code{=50%} will set
-it to 50 % (100), and @code{=200%%} will set it to 100 (50 %), that is
-200 % of the current brightness.
-
-
-
-@node Using
-@chapter Using
-@cindex interactive mode
-@cindex usage
-@cindex keyboard
-@cindex darken screen
-@cindex brighten screen
-@cindex quit
-@cindex exit
-@cindex close
-@cindex next screen
-
-When you run @command{adjbacklight} in interactive mode, the following
-keys are used to adjust the backlighting:
-
-The @kbd{left} and @kbd{down} arrow keys are used to darken the screen.
-The @kbd{right} and @kbd{up} arrow keys are used to brighten the screen.
-@kbd{q}, @kbd{enter} and @kbd{<control>d} continues to the next backlight
-controller, or if you are at the last one, exits the program.
-
-
-
-@node Behind the scenes
-@chapter Behind the scenes
-@cindex behind the scenes
-@cindex inner workings
-
-On normally configured Linux systems, the kernel mounts a virtual
-partition on @file{/sys}. If you have screens using backlight,
-you should find backlight device in @file{/sys/class/backlight}.
-These devices are directories containing control files which you
-can read the current values from or write to (perhaps using @command{echo})
-to modify the value. In a directory in @file{/sys/class/backlight}
-you will find @file{brightness} and @file{max_brightness}.
-Just read from @file{max_brightness} to get the maximum allowed integer
-value in @file{brightness}, the minimum value is 0.
-
-
-
-@node License of adjbacklight
-@appendix License of adjbacklight
-@flushleft
-adjbacklight – Convient method for adjusting the backlight on your portable computer
-
-Copyright © 2012, 2013, 2014  Mattias Andrée (maandree@@member.fsf.org)
-
-This program is free software: you can redistribute it and/or modify
-it under the terms of the GNU General Public License as published by
-the Free Software Foundation, either version 3 of the License, or
-(at your option) any later version.
-
-This program is distributed in the hope that it will be useful,
-but WITHOUT ANY WARRANTY; without even the implied warranty of
-MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-GNU General Public License for more details.
-
-You should have received a copy of the GNU General Public License
-along with this program.  If not, see <http://www.gnu.org/licenses/>.
-@end flushleft
-
-@node GNU General Public License
-@appendix GNU General Public License
-@include gpl.texinfo
-
-@node GNU Free Documentation License
-@appendix GNU Free Documentation License
-@include fdl.texinfo
-
-@node Concept index
-@appendix Concept index
-@printindex cp
-
-@c @node Concept and program index
-@c @appendix Concept and program index
-@c @printindex pg
-
-@c @node Variable and option index
-@c @appendix Variable and option index
-@c @printindex vr
-
-
-@bye
-
diff --git a/doc/info/fdl.texinfo b/doc/info/fdl.texinfo
deleted file mode 100644
index cb71f05..0000000
--- a/doc/info/fdl.texinfo
+++ /dev/null
@@ -1,505 +0,0 @@
-@c The GNU Free Documentation License.
-@center Version 1.3, 3 November 2008
-
-@c This file is intended to be included within another document,
-@c hence no sectioning command or @node.
-
-@display
-Copyright @copyright{} 2000, 2001, 2002, 2007, 2008 Free Software Foundation, Inc.
-@uref{http://fsf.org/}
-
-Everyone is permitted to copy and distribute verbatim copies
-of this license document, but changing it is not allowed.
-@end display
-
-@enumerate 0
-@item
-PREAMBLE
-
-The purpose of this License is to make a manual, textbook, or other
-functional and useful document @dfn{free} in the sense of freedom: to
-assure everyone the effective freedom to copy and redistribute it,
-with or without modifying it, either commercially or noncommercially.
-Secondarily, this License preserves for the author and publisher a way
-to get credit for their work, while not being considered responsible
-for modifications made by others.
-
-This License is a kind of ``copyleft'', which means that derivative
-works of the document must themselves be free in the same sense.  It
-complements the GNU General Public License, which is a copyleft
-license designed for free software.
-
-We have designed this License in order to use it for manuals for free
-software, because free software needs free documentation: a free
-program should come with manuals providing the same freedoms that the
-software does.  But this License is not limited to software manuals;
-it can be used for any textual work, regardless of subject matter or
-whether it is published as a printed book.  We recommend this License
-principally for works whose purpose is instruction or reference.
-
-@item
-APPLICABILITY AND DEFINITIONS
-
-This License applies to any manual or other work, in any medium, that
-contains a notice placed by the copyright holder saying it can be
-distributed under the terms of this License.  Such a notice grants a
-world-wide, royalty-free license, unlimited in duration, to use that
-work under the conditions stated herein.  The ``Document'', below,
-refers to any such manual or work.  Any member of the public is a
-licensee, and is addressed as ``you''.  You accept the license if you
-copy, modify or distribute the work in a way requiring permission
-under copyright law.
-
-A ``Modified Version'' of the Document means any work containing the
-Document or a portion of it, either copied verbatim, or with
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-The ``Invariant Sections'' are certain Secondary Sections whose titles
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-of transparent image formats include PNG, XCF and
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-output purposes only.
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-The ``Title Page'' means, for a printed book, the title page itself,
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-the text near the most prominent appearance of the work's title,
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-A section ``Entitled XYZ'' means a named subunit of the Document whose
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-section ``Entitled XYZ'' according to this definition.
-
-The Document may include Warranty Disclaimers next to the notice which
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-License, but only as regards disclaiming warranties: any other
-implication that these Warranty Disclaimers may have is void and has
-no effect on the meaning of this License.
-
-@item
-VERBATIM COPYING
-
-You may copy and distribute the Document in any medium, either
-commercially or noncommercially, provided that this License, the
-copyright notices, and the license notice saying this License applies
-to the Document are reproduced in all copies, and that you add no other
-conditions whatsoever to those of this License.  You may not use
-technical measures to obstruct or control the reading or further
-copying of the copies you make or distribute.  However, you may accept
-compensation in exchange for copies.  If you distribute a large enough
-number of copies you must also follow the conditions in section 3.
-
-You may also lend copies, under the same conditions stated above, and
-you may publicly display copies.
-
-@item
-COPYING IN QUANTITY
-
-If you publish printed copies (or copies in media that commonly have
-printed covers) of the Document, numbering more than 100, and the
-Document's license notice requires Cover Texts, you must enclose the
-copies in covers that carry, clearly and legibly, all these Cover
-Texts: Front-Cover Texts on the front cover, and Back-Cover Texts on
-the back cover.  Both covers must also clearly and legibly identify
-you as the publisher of these copies.  The front cover must present
-the full title with all words of the title equally prominent and
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-Copying with changes limited to the covers, as long as they preserve
-the title of the Document and satisfy these conditions, can be treated
-as verbatim copying in other respects.
-
-If the required texts for either cover are too voluminous to fit
-legibly, you should put the first ones listed (as many as fit
-reasonably) on the actual cover, and continue the rest onto adjacent
-pages.
-
-If you publish or distribute Opaque copies of the Document numbering
-more than 100, you must either include a machine-readable Transparent
-copy along with each Opaque copy, or state in or with each Opaque copy
-a computer-network location from which the general network-using
-public has access to download using public-standard network protocols
-a complete Transparent copy of the Document, free of added material.
-If you use the latter option, you must take reasonably prudent steps,
-when you begin distribution of Opaque copies in quantity, to ensure
-that this Transparent copy will remain thus accessible at the stated
-location until at least one year after the last time you distribute an
-Opaque copy (directly or through your agents or retailers) of that
-edition to the public.
-
-It is requested, but not required, that you contact the authors of the
-Document well before redistributing any large number of copies, to give
-them a chance to provide you with an updated version of the Document.
-
-@item
-MODIFICATIONS
-
-You may copy and distribute a Modified Version of the Document under
-the conditions of sections 2 and 3 above, provided that you release
-the Modified Version under precisely this License, with the Modified
-Version filling the role of the Document, thus licensing distribution
-and modification of the Modified Version to whoever possesses a copy
-of it.  In addition, you must do these things in the Modified Version:
-
-@enumerate A
-@item
-Use in the Title Page (and on the covers, if any) a title distinct
-from that of the Document, and from those of previous versions
-(which should, if there were any, be listed in the History section
-of the Document).  You may use the same title as a previous version
-if the original publisher of that version gives permission.
-
-@item
-List on the Title Page, as authors, one or more persons or entities
-responsible for authorship of the modifications in the Modified
-Version, together with at least five of the principal authors of the
-Document (all of its principal authors, if it has fewer than five),
-unless they release you from this requirement.
-
-@item
-State on the Title page the name of the publisher of the
-Modified Version, as the publisher.
-
-@item
-Preserve all the copyright notices of the Document.
-
-@item
-Add an appropriate copyright notice for your modifications
-adjacent to the other copyright notices.
-
-@item
-Include, immediately after the copyright notices, a license notice
-giving the public permission to use the Modified Version under the
-terms of this License, in the form shown in the Addendum below.
-
-@item
-Preserve in that license notice the full lists of Invariant Sections
-and required Cover Texts given in the Document's license notice.
-
-@item
-Include an unaltered copy of this License.
-
-@item
-Preserve the section Entitled ``History'', Preserve its Title, and add
-to it an item stating at least the title, year, new authors, and
-publisher of the Modified Version as given on the Title Page.  If
-there is no section Entitled ``History'' in the Document, create one
-stating the title, year, authors, and publisher of the Document as
-given on its Title Page, then add an item describing the Modified
-Version as stated in the previous sentence.
-
-@item
-Preserve the network location, if any, given in the Document for
-public access to a Transparent copy of the Document, and likewise
-the network locations given in the Document for previous versions
-it was based on.  These may be placed in the ``History'' section.
-You may omit a network location for a work that was published at
-least four years before the Document itself, or if the original
-publisher of the version it refers to gives permission.
-
-@item
-For any section Entitled ``Acknowledgements'' or ``Dedications'', Preserve
-the Title of the section, and preserve in the section all the
-substance and tone of each of the contributor acknowledgements and/or
-dedications given therein.
-
-@item
-Preserve all the Invariant Sections of the Document,
-unaltered in their text and in their titles.  Section numbers
-or the equivalent are not considered part of the section titles.
-
-@item
-Delete any section Entitled ``Endorsements''.  Such a section
-may not be included in the Modified Version.
-
-@item
-Do not retitle any existing section to be Entitled ``Endorsements'' or
-to conflict in title with any Invariant Section.
-
-@item
-Preserve any Warranty Disclaimers.
-@end enumerate
-
-If the Modified Version includes new front-matter sections or
-appendices that qualify as Secondary Sections and contain no material
-copied from the Document, you may at your option designate some or all
-of these sections as invariant.  To do this, add their titles to the
-list of Invariant Sections in the Modified Version's license notice.
-These titles must be distinct from any other section titles.
-
-You may add a section Entitled ``Endorsements'', provided it contains
-nothing but endorsements of your Modified Version by various
-parties---for example, statements of peer review or that the text has
-been approved by an organization as the authoritative definition of a
-standard.
-
-You may add a passage of up to five words as a Front-Cover Text, and a
-passage of up to 25 words as a Back-Cover Text, to the end of the list
-of Cover Texts in the Modified Version.  Only one passage of
-Front-Cover Text and one of Back-Cover Text may be added by (or
-through arrangements made by) any one entity.  If the Document already
-includes a cover text for the same cover, previously added by you or
-by arrangement made by the same entity you are acting on behalf of,
-you may not add another; but you may replace the old one, on explicit
-permission from the previous publisher that added the old one.
-
-The author(s) and publisher(s) of the Document do not by this License
-give permission to use their names for publicity for or to assert or
-imply endorsement of any Modified Version.
-
-@item
-COMBINING DOCUMENTS
-
-You may combine the Document with other documents released under this
-License, under the terms defined in section 4 above for modified
-versions, provided that you include in the combination all of the
-Invariant Sections of all of the original documents, unmodified, and
-list them all as Invariant Sections of your combined work in its
-license notice, and that you preserve all their Warranty Disclaimers.
-
-The combined work need only contain one copy of this License, and
-multiple identical Invariant Sections may be replaced with a single
-copy.  If there are multiple Invariant Sections with the same name but
-different contents, make the title of each such section unique by
-adding at the end of it, in parentheses, the name of the original
-author or publisher of that section if known, or else a unique number.
-Make the same adjustment to the section titles in the list of
-Invariant Sections in the license notice of the combined work.
-
-In the combination, you must combine any sections Entitled ``History''
-in the various original documents, forming one section Entitled
-``History''; likewise combine any sections Entitled ``Acknowledgements'',
-and any sections Entitled ``Dedications''.  You must delete all
-sections Entitled ``Endorsements.''
-
-@item
-COLLECTIONS OF DOCUMENTS
-
-You may make a collection consisting of the Document and other documents
-released under this License, and replace the individual copies of this
-License in the various documents with a single copy that is included in
-the collection, provided that you follow the rules of this License for
-verbatim copying of each of the documents in all other respects.
-
-You may extract a single document from such a collection, and distribute
-it individually under this License, provided you insert a copy of this
-License into the extracted document, and follow this License in all
-other respects regarding verbatim copying of that document.
-
-@item
-AGGREGATION WITH INDEPENDENT WORKS
-
-A compilation of the Document or its derivatives with other separate
-and independent documents or works, in or on a volume of a storage or
-distribution medium, is called an ``aggregate'' if the copyright
-resulting from the compilation is not used to limit the legal rights
-of the compilation's users beyond what the individual works permit.
-When the Document is included in an aggregate, this License does not
-apply to the other works in the aggregate which are not themselves
-derivative works of the Document.
-
-If the Cover Text requirement of section 3 is applicable to these
-copies of the Document, then if the Document is less than one half of
-the entire aggregate, the Document's Cover Texts may be placed on
-covers that bracket the Document within the aggregate, or the
-electronic equivalent of covers if the Document is in electronic form.
-Otherwise they must appear on printed covers that bracket the whole
-aggregate.
-
-@item
-TRANSLATION
-
-Translation is considered a kind of modification, so you may
-distribute translations of the Document under the terms of section 4.
-Replacing Invariant Sections with translations requires special
-permission from their copyright holders, but you may include
-translations of some or all Invariant Sections in addition to the
-original versions of these Invariant Sections.  You may include a
-translation of this License, and all the license notices in the
-Document, and any Warranty Disclaimers, provided that you also include
-the original English version of this License and the original versions
-of those notices and disclaimers.  In case of a disagreement between
-the translation and the original version of this License or a notice
-or disclaimer, the original version will prevail.
-
-If a section in the Document is Entitled ``Acknowledgements'',
-``Dedications'', or ``History'', the requirement (section 4) to Preserve
-its Title (section 1) will typically require changing the actual
-title.
-
-@item
-TERMINATION
-
-You may not copy, modify, sublicense, or distribute the Document
-except as expressly provided under this License.  Any attempt
-otherwise to copy, modify, sublicense, or distribute it is void, and
-will automatically terminate your rights under this License.
-
-However, if you cease all violation of this License, then your license
-from a particular copyright holder is reinstated (a) provisionally,
-unless and until the copyright holder explicitly and finally
-terminates your license, and (b) permanently, if the copyright holder
-fails to notify you of the violation by some reasonable means prior to
-60 days after the cessation.
-
-Moreover, your license from a particular copyright holder is
-reinstated permanently if the copyright holder notifies you of the
-violation by some reasonable means, this is the first time you have
-received notice of violation of this License (for any work) from that
-copyright holder, and you cure the violation prior to 30 days after
-your receipt of the notice.
-
-Termination of your rights under this section does not terminate the
-licenses of parties who have received copies or rights from you under
-this License.  If your rights have been terminated and not permanently
-reinstated, receipt of a copy of some or all of the same material does
-not give you any rights to use it.
-
-@item
-FUTURE REVISIONS OF THIS LICENSE
-
-The Free Software Foundation may publish new, revised versions
-of the GNU Free Documentation License from time to time.  Such new
-versions will be similar in spirit to the present version, but may
-differ in detail to address new problems or concerns.  See
-@uref{http://www.gnu.org/copyleft/}.
-
-Each version of the License is given a distinguishing version number.
-If the Document specifies that a particular numbered version of this
-License ``or any later version'' applies to it, you have the option of
-following the terms and conditions either of that specified version or
-of any later version that has been published (not as a draft) by the
-Free Software Foundation.  If the Document does not specify a version
-number of this License, you may choose any version ever published (not
-as a draft) by the Free Software Foundation.  If the Document
-specifies that a proxy can decide which future versions of this
-License can be used, that proxy's public statement of acceptance of a
-version permanently authorizes you to choose that version for the
-Document.
-
-@item
-RELICENSING
-
-``Massive Multiauthor Collaboration Site'' (or ``MMC Site'') means any
-World Wide Web server that publishes copyrightable works and also
-provides prominent facilities for anybody to edit those works.  A
-public wiki that anybody can edit is an example of such a server.  A
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-site means any set of copyrightable works thus published on the MMC
-site.
-
-``CC-BY-SA'' means the Creative Commons Attribution-Share Alike 3.0
-license published by Creative Commons Corporation, a not-for-profit
-corporation with a principal place of business in San Francisco,
-California, as well as future copyleft versions of that license
-published by that same organization.
-
-``Incorporate'' means to publish or republish a Document, in whole or
-in part, as part of another Document.
-
-An MMC is ``eligible for relicensing'' if it is licensed under this
-License, and if all works that were first published under this License
-somewhere other than this MMC, and subsequently incorporated in whole
-or in part into the MMC, (1) had no cover texts or invariant sections,
-and (2) were thus incorporated prior to November 1, 2008.
-
-The operator of an MMC Site may republish an MMC contained in the site
-under CC-BY-SA on the same site at any time before August 1, 2009,
-provided the MMC is eligible for relicensing.
-
-@end enumerate
-
-@page
-@heading ADDENDUM: How to use this License for your documents
-
-To use this License in a document you have written, include a copy of
-the License in the document and put the following copyright and
-license notices just after the title page:
-
-@smallexample
-@group
-  Copyright (C)  @var{year}  @var{your name}.
-  Permission is granted to copy, distribute and/or modify this document
-  under the terms of the GNU Free Documentation License, Version 1.3
-  or any later version published by the Free Software Foundation;
-  with no Invariant Sections, no Front-Cover Texts, and no Back-Cover
-  Texts.  A copy of the license is included in the section entitled ``GNU
-  Free Documentation License''.
-@end group
-@end smallexample
-
-If you have Invariant Sections, Front-Cover Texts and Back-Cover Texts,
-replace the ``with@dots{}Texts.''@: line with this:
-
-@smallexample
-@group
-    with the Invariant Sections being @var{list their titles}, with
-    the Front-Cover Texts being @var{list}, and with the Back-Cover Texts
-    being @var{list}.
-@end group
-@end smallexample
-
-If you have Invariant Sections without Cover Texts, or some other
-combination of the three, merge those two alternatives to suit the
-situation.
-
-If your document contains nontrivial examples of program code, we
-recommend releasing these examples in parallel under your choice of
-free software license, such as the GNU General Public License,
-to permit their use in free software.
-
-@c Local Variables:
-@c ispell-local-pdict: "ispell-dict"
-@c End:
diff --git a/doc/info/gpl.texinfo b/doc/info/gpl.texinfo
deleted file mode 100644
index 97a17e1..0000000
--- a/doc/info/gpl.texinfo
+++ /dev/null
@@ -1,717 +0,0 @@
-@c The GNU General Public License.
-@center Version 3, 29 June 2007
-
-@c This file is intended to be included within another document,
-@c hence no sectioning command or @node.
-
-@display
-Copyright @copyright{} 2007 Free Software Foundation, Inc. @url{http://fsf.org/}
-
-Everyone is permitted to copy and distribute verbatim copies of this
-license document, but changing it is not allowed.
-@end display
-
-@heading Preamble
-
-The GNU General Public License is a free, copyleft license for
-software and other kinds of works.
-
-The licenses for most software and other practical works are designed
-to take away your freedom to share and change the works.  By contrast,
-the GNU General Public License is intended to guarantee your freedom
-to share and change all versions of a program---to make sure it remains
-free software for all its users.  We, the Free Software Foundation,
-use the GNU General Public License for most of our software; it
-applies also to any other work released this way by its authors.  You
-can apply it to your programs, too.
-
-When we speak of free software, we are referring to freedom, not
-price.  Our General Public Licenses are designed to make sure that you
-have the freedom to distribute copies of free software (and charge for
-them if you wish), that you receive source code or can get it if you
-want it, that you can change the software or use pieces of it in new
-free programs, and that you know you can do these things.
-
-To protect your rights, we need to prevent others from denying you
-these rights or asking you to surrender the rights.  Therefore, you
-have certain responsibilities if you distribute copies of the
-software, or if you modify it: responsibilities to respect the freedom
-of others.
-
-For example, if you distribute copies of such a program, whether
-gratis or for a fee, you must pass on to the recipients the same
-freedoms that you received.  You must make sure that they, too,
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-terms so they know their rights.
-
-Developers that use the GNU GPL protect your rights with two steps:
-(1) assert copyright on the software, and (2) offer you this License
-giving you legal permission to copy, distribute and/or modify it.
-
-For the developers' and authors' protection, the GPL clearly explains
-that there is no warranty for this free software.  For both users' and
-authors' sake, the GPL requires that modified versions be marked as
-changed, so that their problems will not be attributed erroneously to
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-Some devices are designed to deny users access to install or run
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-manufacturer can do so.  This is fundamentally incompatible with the
-aim of protecting users' freedom to change the software.  The
-systematic pattern of such abuse occurs in the area of products for
-individuals to use, which is precisely where it is most unacceptable.
-Therefore, we have designed this version of the GPL to prohibit the
-practice for those products.  If such problems arise substantially in
-other domains, we stand ready to extend this provision to those
-domains in future versions of the GPL, as needed to protect the
-freedom of users.
-
-Finally, every program is threatened constantly by software patents.
-States should not allow patents to restrict development and use of
-software on general-purpose computers, but in those that do, we wish
-to avoid the special danger that patents applied to a free program
-could make it effectively proprietary.  To prevent this, the GPL
-assures that patents cannot be used to render the program non-free.
-
-The precise terms and conditions for copying, distribution and
-modification follow.
-
-@heading TERMS AND CONDITIONS
-
-@enumerate 0
-@item Definitions.
-
-``This License'' refers to version 3 of the GNU General Public License.
-
-``Copyright'' also means copyright-like laws that apply to other kinds
-of works, such as semiconductor masks.
-
-``The Program'' refers to any copyrightable work licensed under this
-License.  Each licensee is addressed as ``you''.  ``Licensees'' and
-``recipients'' may be individuals or organizations.
-
-To ``modify'' a work means to copy from or adapt all or part of the work
-in a fashion requiring copyright permission, other than the making of
-an exact copy.  The resulting work is called a ``modified version'' of
-the earlier work or a work ``based on'' the earlier work.
-
-A ``covered work'' means either the unmodified Program or a work based
-on the Program.
-
-To ``propagate'' a work means to do anything with it that, without
-permission, would make you directly or secondarily liable for
-infringement under applicable copyright law, except executing it on a
-computer or modifying a private copy.  Propagation includes copying,
-distribution (with or without modification), making available to the
-public, and in some countries other activities as well.
-
-To ``convey'' a work means any kind of propagation that enables other
-parties to make or receive copies.  Mere interaction with a user
-through a computer network, with no transfer of a copy, is not
-conveying.
-
-An interactive user interface displays ``Appropriate Legal Notices'' to
-the extent that it includes a convenient and prominently visible
-feature that (1) displays an appropriate copyright notice, and (2)
-tells the user that there is no warranty for the work (except to the
-extent that warranties are provided), that licensees may convey the
-work under this License, and how to view a copy of this License.  If
-the interface presents a list of user commands or options, such as a
-menu, a prominent item in the list meets this criterion.
-
-@item Source Code.
-
-The ``source code'' for a work means the preferred form of the work for
-making modifications to it.  ``Object code'' means any non-source form
-of a work.
-
-A ``Standard Interface'' means an interface that either is an official
-standard defined by a recognized standards body, or, in the case of
-interfaces specified for a particular programming language, one that
-is widely used among developers working in that language.
-
-The ``System Libraries'' of an executable work include anything, other
-than the work as a whole, that (a) is included in the normal form of
-packaging a Major Component, but which is not part of that Major
-Component, and (b) serves only to enable use of the work with that
-Major Component, or to implement a Standard Interface for which an
-implementation is available to the public in source code form.  A
-``Major Component'', in this context, means a major essential component
-(kernel, window system, and so on) of the specific operating system
-(if any) on which the executable work runs, or a compiler used to
-produce the work, or an object code interpreter used to run it.
-
-The ``Corresponding Source'' for a work in object code form means all
-the source code needed to generate, install, and (for an executable
-work) run the object code and to modify the work, including scripts to
-control those activities.  However, it does not include the work's
-System Libraries, or general-purpose tools or generally available free
-programs which are used unmodified in performing those activities but
-which are not part of the work.  For example, Corresponding Source
-includes interface definition files associated with source files for
-the work, and the source code for shared libraries and dynamically
-linked subprograms that the work is specifically designed to require,
-such as by intimate data communication or control flow between those
-subprograms and other parts of the work.
-
-The Corresponding Source need not include anything that users can
-regenerate automatically from other parts of the Corresponding Source.
-
-The Corresponding Source for a work in source code form is that same
-work.
-
-@item Basic Permissions.
-
-All rights granted under this License are granted for the term of
-copyright on the Program, and are irrevocable provided the stated
-conditions are met.  This License explicitly affirms your unlimited
-permission to run the unmodified Program.  The output from running a
-covered work is covered by this License only if the output, given its
-content, constitutes a covered work.  This License acknowledges your
-rights of fair use or other equivalent, as provided by copyright law.
-
-You may make, run and propagate covered works that you do not convey,
-without conditions so long as your license otherwise remains in force.
-You may convey covered works to others for the sole purpose of having
-them make modifications exclusively for you, or provide you with
-facilities for running those works, provided that you comply with the
-terms of this License in conveying all material for which you do not
-control copyright.  Those thus making or running the covered works for
-you must do so exclusively on your behalf, under your direction and
-control, on terms that prohibit them from making any copies of your
-copyrighted material outside their relationship with you.
-
-Conveying under any other circumstances is permitted solely under the
-conditions stated below.  Sublicensing is not allowed; section 10
-makes it unnecessary.
-
-@item Protecting Users' Legal Rights From Anti-Circumvention Law.
-
-No covered work shall be deemed part of an effective technological
-measure under any applicable law fulfilling obligations under article
-11 of the WIPO copyright treaty adopted on 20 December 1996, or
-similar laws prohibiting or restricting circumvention of such
-measures.
-
-When you convey a covered work, you waive any legal power to forbid
-circumvention of technological measures to the extent such
-circumvention is effected by exercising rights under this License with
-respect to the covered work, and you disclaim any intention to limit
-operation or modification of the work as a means of enforcing, against
-the work's users, your or third parties' legal rights to forbid
-circumvention of technological measures.
-
-@item Conveying Verbatim Copies.
-
-You may convey verbatim copies of the Program's source code as you
-receive it, in any medium, provided that you conspicuously and
-appropriately publish on each copy an appropriate copyright notice;
-keep intact all notices stating that this License and any
-non-permissive terms added in accord with section 7 apply to the code;
-keep intact all notices of the absence of any warranty; and give all
-recipients a copy of this License along with the Program.
-
-You may charge any price or no price for each copy that you convey,
-and you may offer support or warranty protection for a fee.
-
-@item Conveying Modified Source Versions.
-
-You may convey a work based on the Program, or the modifications to
-produce it from the Program, in the form of source code under the
-terms of section 4, provided that you also meet all of these
-conditions:
-
-@enumerate a
-@item
-The work must carry prominent notices stating that you modified it,
-and giving a relevant date.
-
-@item
-The work must carry prominent notices stating that it is released
-under this License and any conditions added under section 7.  This
-requirement modifies the requirement in section 4 to ``keep intact all
-notices''.
-
-@item
-You must license the entire work, as a whole, under this License to
-anyone who comes into possession of a copy.  This License will
-therefore apply, along with any applicable section 7 additional terms,
-to the whole of the work, and all its parts, regardless of how they
-are packaged.  This License gives no permission to license the work in
-any other way, but it does not invalidate such permission if you have
-separately received it.
-
-@item
-If the work has interactive user interfaces, each must display
-Appropriate Legal Notices; however, if the Program has interactive
-interfaces that do not display Appropriate Legal Notices, your work
-need not make them do so.
-@end enumerate
-
-A compilation of a covered work with other separate and independent
-works, which are not by their nature extensions of the covered work,
-and which are not combined with it such as to form a larger program,
-in or on a volume of a storage or distribution medium, is called an
-``aggregate'' if the compilation and its resulting copyright are not
-used to limit the access or legal rights of the compilation's users
-beyond what the individual works permit.  Inclusion of a covered work
-in an aggregate does not cause this License to apply to the other
-parts of the aggregate.
-
-@item  Conveying Non-Source Forms.
-
-You may convey a covered work in object code form under the terms of
-sections 4 and 5, provided that you also convey the machine-readable
-Corresponding Source under the terms of this License, in one of these
-ways:
-
-@enumerate a
-@item
-Convey the object code in, or embodied in, a physical product
-(including a physical distribution medium), accompanied by the
-Corresponding Source fixed on a durable physical medium customarily
-used for software interchange.
-
-@item
-Convey the object code in, or embodied in, a physical product
-(including a physical distribution medium), accompanied by a written
-offer, valid for at least three years and valid for as long as you
-offer spare parts or customer support for that product model, to give
-anyone who possesses the object code either (1) a copy of the
-Corresponding Source for all the software in the product that is
-covered by this License, on a durable physical medium customarily used
-for software interchange, for a price no more than your reasonable
-cost of physically performing this conveying of source, or (2) access
-to copy the Corresponding Source from a network server at no charge.
-
-@item
-Convey individual copies of the object code with a copy of the written
-offer to provide the Corresponding Source.  This alternative is
-allowed only occasionally and noncommercially, and only if you
-received the object code with such an offer, in accord with subsection
-6b.
-
-@item
-Convey the object code by offering access from a designated place
-(gratis or for a charge), and offer equivalent access to the
-Corresponding Source in the same way through the same place at no
-further charge.  You need not require recipients to copy the
-Corresponding Source along with the object code.  If the place to copy
-the object code is a network server, the Corresponding Source may be
-on a different server (operated by you or a third party) that supports
-equivalent copying facilities, provided you maintain clear directions
-next to the object code saying where to find the Corresponding Source.
-Regardless of what server hosts the Corresponding Source, you remain
-obligated to ensure that it is available for as long as needed to
-satisfy these requirements.
-
-@item
-Convey the object code using peer-to-peer transmission, provided you
-inform other peers where the object code and Corresponding Source of
-the work are being offered to the general public at no charge under
-subsection 6d.
-
-@end enumerate
-
-A separable portion of the object code, whose source code is excluded
-from the Corresponding Source as a System Library, need not be
-included in conveying the object code work.
-
-A ``User Product'' is either (1) a ``consumer product'', which means any
-tangible personal property which is normally used for personal,
-family, or household purposes, or (2) anything designed or sold for
-incorporation into a dwelling.  In determining whether a product is a
-consumer product, doubtful cases shall be resolved in favor of
-coverage.  For a particular product received by a particular user,
-``normally used'' refers to a typical or common use of that class of
-product, regardless of the status of the particular user or of the way
-in which the particular user actually uses, or expects or is expected
-to use, the product.  A product is a consumer product regardless of
-whether the product has substantial commercial, industrial or
-non-consumer uses, unless such uses represent the only significant
-mode of use of the product.
-
-``Installation Information'' for a User Product means any methods,
-procedures, authorization keys, or other information required to
-install and execute modified versions of a covered work in that User
-Product from a modified version of its Corresponding Source.  The
-information must suffice to ensure that the continued functioning of
-the modified object code is in no case prevented or interfered with
-solely because modification has been made.
-
-If you convey an object code work under this section in, or with, or
-specifically for use in, a User Product, and the conveying occurs as
-part of a transaction in which the right of possession and use of the
-User Product is transferred to the recipient in perpetuity or for a
-fixed term (regardless of how the transaction is characterized), the
-Corresponding Source conveyed under this section must be accompanied
-by the Installation Information.  But this requirement does not apply
-if neither you nor any third party retains the ability to install
-modified object code on the User Product (for example, the work has
-been installed in ROM).
-
-The requirement to provide Installation Information does not include a
-requirement to continue to provide support service, warranty, or
-updates for a work that has been modified or installed by the
-recipient, or for the User Product in which it has been modified or
-installed.  Access to a network may be denied when the modification
-itself materially and adversely affects the operation of the network
-or violates the rules and protocols for communication across the
-network.
-
-Corresponding Source conveyed, and Installation Information provided,
-in accord with this section must be in a format that is publicly
-documented (and with an implementation available to the public in
-source code form), and must require no special password or key for
-unpacking, reading or copying.
-
-@item Additional Terms.
-
-``Additional permissions'' are terms that supplement the terms of this
-License by making exceptions from one or more of its conditions.
-Additional permissions that are applicable to the entire Program shall
-be treated as though they were included in this License, to the extent
-that they are valid under applicable law.  If additional permissions
-apply only to part of the Program, that part may be used separately
-under those permissions, but the entire Program remains governed by
-this License without regard to the additional permissions.
-
-When you convey a copy of a covered work, you may at your option
-remove any additional permissions from that copy, or from any part of
-it.  (Additional permissions may be written to require their own
-removal in certain cases when you modify the work.)  You may place
-additional permissions on material, added by you to a covered work,
-for which you have or can give appropriate copyright permission.
-
-Notwithstanding any other provision of this License, for material you
-add to a covered work, you may (if authorized by the copyright holders
-of that material) supplement the terms of this License with terms:
-
-@enumerate a
-@item
-Disclaiming warranty or limiting liability differently from the terms
-of sections 15 and 16 of this License; or
-
-@item
-Requiring preservation of specified reasonable legal notices or author
-attributions in that material or in the Appropriate Legal Notices
-displayed by works containing it; or
-
-@item
-Prohibiting misrepresentation of the origin of that material, or
-requiring that modified versions of such material be marked in
-reasonable ways as different from the original version; or
-
-@item
-Limiting the use for publicity purposes of names of licensors or
-authors of the material; or
-
-@item
-Declining to grant rights under trademark law for use of some trade
-names, trademarks, or service marks; or
-
-@item
-Requiring indemnification of licensors and authors of that material by
-anyone who conveys the material (or modified versions of it) with
-contractual assumptions of liability to the recipient, for any
-liability that these contractual assumptions directly impose on those
-licensors and authors.
-@end enumerate
-
-All other non-permissive additional terms are considered ``further
-restrictions'' within the meaning of section 10.  If the Program as you
-received it, or any part of it, contains a notice stating that it is
-governed by this License along with a term that is a further
-restriction, you may remove that term.  If a license document contains
-a further restriction but permits relicensing or conveying under this
-License, you may add to a covered work material governed by the terms
-of that license document, provided that the further restriction does
-not survive such relicensing or conveying.
-
-If you add terms to a covered work in accord with this section, you
-must place, in the relevant source files, a statement of the
-additional terms that apply to those files, or a notice indicating
-where to find the applicable terms.
-
-Additional terms, permissive or non-permissive, may be stated in the
-form of a separately written license, or stated as exceptions; the
-above requirements apply either way.
-
-@item Termination.
-
-You may not propagate or modify a covered work except as expressly
-provided under this License.  Any attempt otherwise to propagate or
-modify it is void, and will automatically terminate your rights under
-this License (including any patent licenses granted under the third
-paragraph of section 11).
-
-However, if you cease all violation of this License, then your license
-from a particular copyright holder is reinstated (a) provisionally,
-unless and until the copyright holder explicitly and finally
-terminates your license, and (b) permanently, if the copyright holder
-fails to notify you of the violation by some reasonable means prior to
-60 days after the cessation.
-
-Moreover, your license from a particular copyright holder is
-reinstated permanently if the copyright holder notifies you of the
-violation by some reasonable means, this is the first time you have
-received notice of violation of this License (for any work) from that
-copyright holder, and you cure the violation prior to 30 days after
-your receipt of the notice.
-
-Termination of your rights under this section does not terminate the
-licenses of parties who have received copies or rights from you under
-this License.  If your rights have been terminated and not permanently
-reinstated, you do not qualify to receive new licenses for the same
-material under section 10.
-
-@item Acceptance Not Required for Having Copies.
-
-You are not required to accept this License in order to receive or run
-a copy of the Program.  Ancillary propagation of a covered work
-occurring solely as a consequence of using peer-to-peer transmission
-to receive a copy likewise does not require acceptance.  However,
-nothing other than this License grants you permission to propagate or
-modify any covered work.  These actions infringe copyright if you do
-not accept this License.  Therefore, by modifying or propagating a
-covered work, you indicate your acceptance of this License to do so.
-
-@item Automatic Licensing of Downstream Recipients.
-
-Each time you convey a covered work, the recipient automatically
-receives a license from the original licensors, to run, modify and
-propagate that work, subject to this License.  You are not responsible
-for enforcing compliance by third parties with this License.
-
-An ``entity transaction'' is a transaction transferring control of an
-organization, or substantially all assets of one, or subdividing an
-organization, or merging organizations.  If propagation of a covered
-work results from an entity transaction, each party to that
-transaction who receives a copy of the work also receives whatever
-licenses to the work the party's predecessor in interest had or could
-give under the previous paragraph, plus a right to possession of the
-Corresponding Source of the work from the predecessor in interest, if
-the predecessor has it or can get it with reasonable efforts.
-
-You may not impose any further restrictions on the exercise of the
-rights granted or affirmed under this License.  For example, you may
-not impose a license fee, royalty, or other charge for exercise of
-rights granted under this License, and you may not initiate litigation
-(including a cross-claim or counterclaim in a lawsuit) alleging that
-any patent claim is infringed by making, using, selling, offering for
-sale, or importing the Program or any portion of it.
-
-@item Patents.
-
-A ``contributor'' is a copyright holder who authorizes use under this
-License of the Program or a work on which the Program is based.  The
-work thus licensed is called the contributor's ``contributor version''.
-
-A contributor's ``essential patent claims'' are all patent claims owned
-or controlled by the contributor, whether already acquired or
-hereafter acquired, that would be infringed by some manner, permitted
-by this License, of making, using, or selling its contributor version,
-but do not include claims that would be infringed only as a
-consequence of further modification of the contributor version.  For
-purposes of this definition, ``control'' includes the right to grant
-patent sublicenses in a manner consistent with the requirements of
-this License.
-
-Each contributor grants you a non-exclusive, worldwide, royalty-free
-patent license under the contributor's essential patent claims, to
-make, use, sell, offer for sale, import and otherwise run, modify and
-propagate the contents of its contributor version.
-
-In the following three paragraphs, a ``patent license'' is any express
-agreement or commitment, however denominated, not to enforce a patent
-(such as an express permission to practice a patent or covenant not to
-sue for patent infringement).  To ``grant'' such a patent license to a
-party means to make such an agreement or commitment not to enforce a
-patent against the party.
-
-If you convey a covered work, knowingly relying on a patent license,
-and the Corresponding Source of the work is not available for anyone
-to copy, free of charge and under the terms of this License, through a
-publicly available network server or other readily accessible means,
-then you must either (1) cause the Corresponding Source to be so
-available, or (2) arrange to deprive yourself of the benefit of the
-patent license for this particular work, or (3) arrange, in a manner
-consistent with the requirements of this License, to extend the patent
-license to downstream recipients.  ``Knowingly relying'' means you have
-actual knowledge that, but for the patent license, your conveying the
-covered work in a country, or your recipient's use of the covered work
-in a country, would infringe one or more identifiable patents in that
-country that you have reason to believe are valid.
-
-If, pursuant to or in connection with a single transaction or
-arrangement, you convey, or propagate by procuring conveyance of, a
-covered work, and grant a patent license to some of the parties
-receiving the covered work authorizing them to use, propagate, modify
-or convey a specific copy of the covered work, then the patent license
-you grant is automatically extended to all recipients of the covered
-work and works based on it.
-
-A patent license is ``discriminatory'' if it does not include within the
-scope of its coverage, prohibits the exercise of, or is conditioned on
-the non-exercise of one or more of the rights that are specifically
-granted under this License.  You may not convey a covered work if you
-are a party to an arrangement with a third party that is in the
-business of distributing software, under which you make payment to the
-third party based on the extent of your activity of conveying the
-work, and under which the third party grants, to any of the parties
-who would receive the covered work from you, a discriminatory patent
-license (a) in connection with copies of the covered work conveyed by
-you (or copies made from those copies), or (b) primarily for and in
-connection with specific products or compilations that contain the
-covered work, unless you entered into that arrangement, or that patent
-license was granted, prior to 28 March 2007.
-
-Nothing in this License shall be construed as excluding or limiting
-any implied license or other defenses to infringement that may
-otherwise be available to you under applicable patent law.
-
-@item No Surrender of Others' Freedom.
-
-If conditions are imposed on you (whether by court order, agreement or
-otherwise) that contradict the conditions of this License, they do not
-excuse you from the conditions of this License.  If you cannot convey
-a covered work so as to satisfy simultaneously your obligations under
-this License and any other pertinent obligations, then as a
-consequence you may not convey it at all.  For example, if you agree
-to terms that obligate you to collect a royalty for further conveying
-from those to whom you convey the Program, the only way you could
-satisfy both those terms and this License would be to refrain entirely
-from conveying the Program.
-
-@item Use with the GNU Affero General Public License.
-
-Notwithstanding any other provision of this License, you have
-permission to link or combine any covered work with a work licensed
-under version 3 of the GNU Affero General Public License into a single
-combined work, and to convey the resulting work.  The terms of this
-License will continue to apply to the part which is the covered work,
-but the special requirements of the GNU Affero General Public License,
-section 13, concerning interaction through a network will apply to the
-combination as such.
-
-@item Revised Versions of this License.
-
-The Free Software Foundation may publish revised and/or new versions
-of the GNU General Public License from time to time.  Such new
-versions will be similar in spirit to the present version, but may
-differ in detail to address new problems or concerns.
-
-Each version is given a distinguishing version number.  If the Program
-specifies that a certain numbered version of the GNU General Public
-License ``or any later version'' applies to it, you have the option of
-following the terms and conditions either of that numbered version or
-of any later version published by the Free Software Foundation.  If
-the Program does not specify a version number of the GNU General
-Public License, you may choose any version ever published by the Free
-Software Foundation.
-
-If the Program specifies that a proxy can decide which future versions
-of the GNU General Public License can be used, that proxy's public
-statement of acceptance of a version permanently authorizes you to
-choose that version for the Program.
-
-Later license versions may give you additional or different
-permissions.  However, no additional obligations are imposed on any
-author or copyright holder as a result of your choosing to follow a
-later version.
-
-@item Disclaimer of Warranty.
-
-THERE IS NO WARRANTY FOR THE PROGRAM, TO THE EXTENT PERMITTED BY
-APPLICABLE LAW.  EXCEPT WHEN OTHERWISE STATED IN WRITING THE COPYRIGHT
-HOLDERS AND/OR OTHER PARTIES PROVIDE THE PROGRAM ``AS IS'' WITHOUT
-WARRANTY OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING, BUT NOT
-LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
-A PARTICULAR PURPOSE.  THE ENTIRE RISK AS TO THE QUALITY AND
-PERFORMANCE OF THE PROGRAM IS WITH YOU.  SHOULD THE PROGRAM PROVE
-DEFECTIVE, YOU ASSUME THE COST OF ALL NECESSARY SERVICING, REPAIR OR
-CORRECTION.
-
-@item Limitation of Liability.
-
-IN NO EVENT UNLESS REQUIRED BY APPLICABLE LAW OR AGREED TO IN WRITING
-WILL ANY COPYRIGHT HOLDER, OR ANY OTHER PARTY WHO MODIFIES AND/OR
-CONVEYS THE PROGRAM AS PERMITTED ABOVE, BE LIABLE TO YOU FOR DAMAGES,
-INCLUDING ANY GENERAL, SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES
-ARISING OUT OF THE USE OR INABILITY TO USE THE PROGRAM (INCLUDING BUT
-NOT LIMITED TO LOSS OF DATA OR DATA BEING RENDERED INACCURATE OR
-LOSSES SUSTAINED BY YOU OR THIRD PARTIES OR A FAILURE OF THE PROGRAM
-TO OPERATE WITH ANY OTHER PROGRAMS), EVEN IF SUCH HOLDER OR OTHER
-PARTY HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.
-
-@item Interpretation of Sections 15 and 16.
-
-If the disclaimer of warranty and limitation of liability provided
-above cannot be given local legal effect according to their terms,
-reviewing courts shall apply local law that most closely approximates
-an absolute waiver of all civil liability in connection with the
-Program, unless a warranty or assumption of liability accompanies a
-copy of the Program in return for a fee.
-
-@end enumerate
-
-@heading END OF TERMS AND CONDITIONS
-
-@heading How to Apply These Terms to Your New Programs
-
-If you develop a new program, and you want it to be of the greatest
-possible use to the public, the best way to achieve this is to make it
-free software which everyone can redistribute and change under these
-terms.
-
-To do so, attach the following notices to the program.  It is safest
-to attach them to the start of each source file to most effectively
-state the exclusion of warranty; and each file should have at least
-the ``copyright'' line and a pointer to where the full notice is found.
-
-@smallexample
-@var{one line to give the program's name and a brief idea of what it does.}
-Copyright (C) @var{year} @var{name of author}
-
-This program is free software: you can redistribute it and/or modify
-it under the terms of the GNU General Public License as published by
-the Free Software Foundation, either version 3 of the License, or (at
-your option) any later version.
-
-This program is distributed in the hope that it will be useful, but
-WITHOUT ANY WARRANTY; without even the implied warranty of
-MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
-General Public License for more details.
-
-You should have received a copy of the GNU General Public License
-along with this program.  If not, see @url{http://www.gnu.org/licenses/}.
-@end smallexample
-
-Also add information on how to contact you by electronic and paper mail.
-
-If the program does terminal interaction, make it output a short
-notice like this when it starts in an interactive mode:
-
-@smallexample
-@var{program} Copyright (C) @var{year} @var{name of author}
-This program comes with ABSOLUTELY NO WARRANTY; for details type @samp{show w}.
-This is free software, and you are welcome to redistribute it
-under certain conditions; type @samp{show c} for details.
-@end smallexample
-
-The hypothetical commands @samp{show w} and @samp{show c} should show
-the appropriate parts of the General Public License.  Of course, your
-program's commands might be different; for a GUI interface, you would
-use an ``about box''.
-
-You should also get your employer (if you work as a programmer) or school,
-if any, to sign a ``copyright disclaimer'' for the program, if necessary.
-For more information on this, and how to apply and follow the GNU GPL, see
-@url{http://www.gnu.org/licenses/}.
-
-The GNU General Public License does not permit incorporating your
-program into proprietary programs.  If your program is a subroutine
-library, you may consider it more useful to permit linking proprietary
-applications with the library.  If this is what you want to do, use
-the GNU Lesser General Public License instead of this License.  But
-first, please read @url{http://www.gnu.org/philosophy/why-not-lgpl.html}.
diff --git a/src/adjbacklight.auto-completion b/src/adjbacklight.auto-completion
deleted file mode 100644
index a06884f..0000000
--- a/src/adjbacklight.auto-completion
+++ /dev/null
@@ -1,17 +0,0 @@
-(adjbacklight
-	(unargumented  (options -c --copyright --copying)  (complete --copying)
-	(desc 'Display copyright information'))
-
-	(unargumented  (options -w --warranty)  (complete --warranty)
-	(desc 'Display warranty disclaimer'))
-
-	(unargumented  (options -a --all)  (complete --all)
-	(desc 'Run for all devices, including ACPI devices'))
-
-	(unargumented  (options -g --get)  (complete --get)
-	(desc 'Get average brightness on devices'))
-
-	(argumented  (options -s --set)  (complete --set)  (files 'LEVEL[%]')  (files -0)
-	(desc 'Set brightness on devices'))
-)
-
diff --git a/src/adjbacklight.c b/src/adjbacklight.c
deleted file mode 100644
index 455fb70..0000000
--- a/src/adjbacklight.c
+++ /dev/null
@@ -1,872 +0,0 @@
-/**
- * adjbacklight – Convenient method for adjusting the backlight on your portable computer
- * 
- * Copyright © 2012, 2013, 2014, 2015  Mattias Andrée (maandree@member.fsf.org)
- * 
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
- * 
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- * 
- * You should have received a copy of the GNU General Public License
- * along with this program.  If not, see <http://www.gnu.org/licenses/>.
- */
-#include <stdlib.h>
-#include <stdio.h>
-#include <termios.h>
-#include <sys/ioctl.h>
-#include <sys/wait.h>
-#include <sys/types.h>
-#include <unistd.h>
-#include <dirent.h>
-#include <string.h>
-#include <limits.h>
-#include <alloca.h>
-#include <grp.h>
-#include <pwd.h>
-
-
-
-#ifndef PATH_MAX
-#warning PATH_MAX is not defined
-#define PATH_MAX 4096
-#endif
-
-
-
-/**
- * The years this software has been developed
- */
-#define _YEARS_  "2012, 2013, 2014"
-
-
-/**
- * Forking method
- */
-#ifndef FORK
-#define FORK  fork
-#endif
-
-
-/**
- * The directory where the backlight devices are found and configured
- */
-#ifndef BACKLIGHT_DIR
-#define BACKLIGHT_DIR  "/sys/class/backlight"
-#endif
-
-
-/**
- * Print a line to stdout
- * 
- * @param  S:const char*  The string to print
- */
-#define P(S)  printf("%s", S "\n")
-
-
-/**
- * Cut a string of at the first line break
- * A help `int` named `i` must be available
- * 
- * @param   data:char*  The string, it will be modified
- * @return  :char*      The input string, it has been modified
- */
-#define unnl(data)			\
-  ({					\
-    for (i = 0; *(data + i); i++)	\
-      if (*(data + i) == '\n')		\
-	*(data + i) = 0;		\
-    data;				\
-  })
-
-
-
-/**
- * Test whether a string numerical and with at most two trailing '%'
- * 
- * @param   str  The string
- * @return       Whether the test passed
- */
-static int isnumerical(const char* str);
-
-/**
- * Interactively adjust the backlight on a device
- * 
- * @param  cols    The number of columns on the terminal
- * @param  device  The device on which to adjust backlight
- */
-static void adjust(int cols, const char* device);
-
-/**
- * Gets the current backlight setting on a device
- * 
- * @param   device  The device from which to get backlight
- * @return          The brightness as a [0; 1] float, negative on error
- */
-static float getbrightness(const char* device);
-
-/**
- * Sets the current backlight setting on a device
- * 
- * @param  device      The device from which to get backlight
- * @param  adjustment  The adjustment to make
- */
-static void setbrightness(const char* device, const char* adjustment);
-
-/**
- * Read a file
- * 
- * @param   output  Buffer to store the file's content in
- * @param   file    The file to read
- * @return          Zero on success, non-zero on failure
- */
-static int readfile(char* output, const char* file);
-
-/**
- * Write an integer to a file
- * 
- * @param   buffer   Buffer for temporary data
- * @param   integer  The integer to write
- * @param   file     The file to which to write
- * @return           Zero on success, non-zero on failure
- */
-static int writefile(char* buffer, int integer, const char* file);
-
-/**
- * Print the status
- * 
- * @param  min   The minimum possible brightness
- * @param  max   The maximum possible brightness
- * @param  init  The brightness used when the program started
- * @param  cur   The current brightness
- * @param  cols  The number of columns on the terminal
- */
-static void bars(int min, int max, int init, int cur, int cols);
-
-
-
-/**
- * A series of spaces used to print the bar
- */
-static char* space;
-
-/**
- * A series of vertical lines used to print the bar
- */
-static char* line;
-
-
-
-/**
- * This is the mane entry point of the program
- * 
- * @param   argc  The number of elements in `argv`
- * @parma   argv  Command line arguments, including the command
- * @return        Exit value, zero on success
- */
-int main(int argc, char** argv)
-{
-  struct winsize win;
-  struct termios saved_stty;
-  struct termios stty;
-  size_t i, ndevices = 0;
-  pid_t pid = 0;
-  char* set = NULL;
-  int j, get = 0, help = 0, all = 0, cols = 80;
-  char** devices = alloca((size_t)argc * sizeof(char*));
-  
-  
-  if (argc > 1)
-    {
-      char* arg;
-      for (i = 1; i < (size_t)argc; i++)
-	{
-	  #define T(S)  (!strcmp(arg, S))
-	  arg = *(argv + i);
-	  if (T("-h") || T("--help"))
-	    help = 1;
-	  else if (T("-a") || T("--all"))
-	    all = 1;
-	  else if (T("-c") || T("--copyright") || T("--copying"))
-	    {
-	      P("\n");
-	      P("adjbacklight – Convenient method for adjusting the backlight on your portable computer");
-	      P("");
-	      P("Copyright © " _YEARS_ "  Mattias Andrée (maandree@member.fsf.org)");
-	      P("");
-	      P("This program is free software: you can redistribute it and/or modify");
-	      P("it under the terms of the GNU General Public License as published by");
-	      P("the Free Software Foundation, either version 3 of the License, or");
-	      P("(at your option) any later version.");
-	      P("");
-	      P("This program is distributed in the hope that it will be useful,");
-	      P("but WITHOUT ANY WARRANTY; without even the implied warranty of");
-	      P("MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the");
-	      P("GNU General Public License for more details.");
-	      P("");
-	      P("You should have received a copy of the GNU General Public License");
-	      P("along with this program.  If not, see <http://www.gnu.org/licenses/>.");
-	      P("\n");
-	      return 0;
-	    }
-	  else if (T("-w") || T("--warranty"))
-	    {
-	      P("\n");
-	      P("This program is distributed in the hope that it will be useful,");
-	      P("but WITHOUT ANY WARRANTY; without even the implied warranty of");
-	      P("MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the");
-	      P("GNU General Public License for more details.");
-	      P("\n");
-	      return 0;
-	    }
-	  else if (T("-s") || T("--set"))
-	    {
-	      char* tmp;
-	      if (i + 1 == (size_t)argc)
-		fprintf(stderr, "%s: argument for option %s is missing, ignoring option\n", *argv, arg);
-	      else
-		if (!isnumerical(tmp = *(argv + ++i)))
-		  fprintf(stderr, "%s: argument for option %s is malformated, ignoring option\n", *argv, arg);
-		else
-		  {
-		    set = tmp;
-		    get = 0;
-		  }
-	    }
-	  else if (T("-g") || T("--get"))
-	    {
-	      get = 1;
-	      set = NULL;
-	    }
-	  else if (((*arg == '-') || (*arg == '+') || (*arg == '=')) && isnumerical(arg + 1))
-	    {
-	      set = arg;
-	      get = 0;
-	    }
-	  else
-	    {
-	      if (*arg && (*arg != '-'))
-		*(devices + ndevices++) = arg;
-	      else
-		fprintf(stderr, "%s: ignoring unrecognised argument: %s\n", *argv, arg);
-	    }
-	  #undef T
-	}
-      fflush(stderr);
-      if (help || (((size_t)all + ndevices + (size_t)get == 0) && !set))
-	{
-	  P("\n");
-	  P("adjbacklight - Convenient method for adjusting the backlight on your portable computer");
-	  P("");
-	  P("USAGE: adjbacklight (-c | -w | [-g | -s LEVEL | LEVEL] [-a | DEVICE...])");
-	  P("");
-	  P("Run with options to adjust the backlight on your monitors.");
-	  P("");
-	  P("");
-	  P("OPTIONS:");
-	  P("");
-	  P("-c");
-	  P("--copyright");
-	  P("--copying       Display copyright information");
-	  P("");
-	  P("-w");
-	  P("--warranty      Display warranty disclaimer");
-	  P("");
-	  P("-a");
-	  P("--all           Run for all devices, including ACPI devices");
-	  P("");
-	  P("-g");
-	  P("--get           Get average brightness on devices");
-	  P("");
-	  P("-s");
-	  P("--set LEVEL[%]  Set brightness on devices");
-	  P("");
-	  P("+LEVEL          Increase brightness on devices by actual value");
-	  P("-LEVEL          Decrease brightness on devices by actual value");
-	  P("=LEVEL          Set brightness on devices by actual value");
-	  P("");
-	  P("+LEVEL%         Increase brightness on devices by percentage-points");
-	  P("-LEVEL%         Decrease brightness on devices by percentage-points");
-	  P("=LEVEL%         Set brightness on devices by percentage-points");
-	  P("");
-	  P("+LEVEL%%        Increase brightness on devices by percentage");
-	  P("-LEVEL%%        Decrease brightness on devices by percentage");
-	  P("=LEVEL%%        Set brightness on devices by percentage");
-	  P("");
-	  P("");
-	  P("KEYBOARD:");
-	  P("");
-	  P("←");
-	  P("↓               Darken the screen");
-	  P("");
-	  P("→");
-	  P("↑               Brighten the screen");
-	  P("");
-	  P("q");
-	  P("enter");
-	  P("C-d             Continue to next controller, or if at last, quit");
-	  P("");
-	  P("");
-	  P("");
-	  P("Copyright © " _YEARS_ "  Mattias Andrée (maandree@member.fsf.org)");
-	  P("");
-	  P("This program is free software: you can redistribute it and/or modify");
-	  P("it under the terms of the GNU General Public License as published by");
-	  P("the Free Software Foundation, either version 3 of the License, or");
-	  P("(at your option) any later version.");
-	  P("");
-	  return 0;
-	}
-    }
-  
-  
-  /* Check permissions */
-  if (getuid()) /* Always accept root */
-  {
-    struct group* video_grp = getgrnam("video");
-    if (video_grp) /* Accept everypony if the group ‘video’ does not exist */
-      {
-	struct passwd* realuser = getpwuid(getuid());
-	char** mems;
-	char* realname;
-	int ok;
-	if (!realuser)
-	  {
-	    P("You do not exist, go away!");
-	    return 1;
-	  }
-	mems = video_grp->gr_mem;
-	realname = realuser->pw_name;
-	ok = 0;
-	for (; *mems; mems++)
-	  if (!strcmp(realname, *mems))
-	    {
-	      ok = 1;
-	      break;
-	    }
-	endgrent();
-	if (!ok)
-	  {
-	    P("Sorry, you need to be in the group 'video'.");
-	    return 1;
-	  }
-      }
-    endpwent();
-  }
-  
-  
-  if (!get && !set)
-    {
-      P("\n");
-      P("If the program is abnormally aborted the may be some residual");
-      P("effects on the terminal. the following commands should reset it:");
-      P("");
-      P("    stty icanon echo");
-      P("    echo -en '\\e[?25h'");
-      P("");
-      P("\n\n\n");
-    }
-  
-  
-  if (!get && !set)
-    {
-      /* Get the size of the terminal */
-      if (ioctl(STDOUT_FILENO, TIOCGWINSZ, &win) == -1)
-	perror(*argv);
-      else
-	cols = win.ws_col;
-      
-      /* Hide cursor */
-      printf("%s", "\033[?25l");
-      fflush(stdout);
-      
-      /* stty -icanon -echo */
-      if (tcgetattr(STDIN_FILENO, &stty))
-	{
-	  perror(*argv);
-	  return 1;
-	}
-      saved_stty = stty;
-      stty.c_lflag &= (tcflag_t)~(ICANON | ECHO);
-      if (tcsetattr(STDIN_FILENO, TCSAFLUSH, &stty))
-	{
-	  perror(*argv);
-	  return 1;
-	}
-    }
-  
-  
-  /* Fork to diminish risk of unclean exit */
-  if (!get && !set)
-    {
-      pid = FORK();
-      if (pid == (pid_t)-1)
-	{
-	  perror(*argv);
-	  pid = 0;
-	}
-    }
-  
-  if (pid)
-    waitpid(pid, NULL, 0);
-  else
-    {
-      float brightness = 0;
-      int nbrightness = 0;
-      
-      if (!get && !set)
-	{
-	  line = malloc((size_t)cols * 3 * sizeof(char));
-	  space = malloc((size_t)cols * sizeof(char));
-	  for (i = 0; i < (size_t)cols; i++)
-	    {
-	      *(line + i * 3 + 0) = (char)(0xE2);
-	      *(line + i * 3 + 1) = (char)(0x94);
-	      *(line + i * 3 + 2) = (char)(0x80);
-	      *(space + i) = ' ';
-	    }
-	  *(space + cols - 1) = 0;
-	  *(line + (cols - 2) * 3) = 0;
-	}
-      
-      if (ndevices)
-	{
-	  char* device;
-	  for (i = 0; i < ndevices; i++)
-	    {
-	      device = *(devices + i);
-	      for (j = 0; *(device + j); j++)
-		if (*(device + j) == '/')
-		  {
-		    device += j + 1;
-		    j = -1;
-		  }
-	      if (get)
-		{
-		  float value = getbrightness(device);
-		  if (value >= 0.f)
-		    {
-		      brightness += value;
-		      nbrightness++;
-		    }
-		}
-	      else if (set)
-		setbrightness(device, set);
-	      else
-		adjust(cols, device);
-	    }
-	}
-      else
-	{
-	  struct dirent* ent;
-	  DIR* dir = opendir(BACKLIGHT_DIR);
-	  if (dir)
-	    {
-	      char* device;
-	      while ((ent = readdir(dir)))
-		{
-		  device = ent->d_name;
-		  if (all || (strstr(device, "acpi_video") != device))
-		    if (*device && (*device != '.'))
-		      {
-			if (get)
-			  {
-			    float value = getbrightness(device);
-			    if (value >= 0.f)
-			      {
-				brightness += value;
-				nbrightness++;
-			      }
-			  }
-			else if (set)
-			  setbrightness(device, set);
-			else
-			  adjust(cols, device);
-		      }
-		}
-	      closedir(dir);
-	    }
-	}
-      
-      if (!get && !set)
-	{
-	  free(line);
-	  free(space);
-	}
-      else if (get)
-	{
-	  if (nbrightness)
-	    {
-	      brightness *= 100.f;
-	      brightness /= (float)nbrightness;
-	      printf("%.2f%%\n", (double)brightness);
-	      fflush(stdout);
-	    }
-	  else
-	    {
-	      printf("%s\n", "100.00%");
-	      fflush(stdout);
-	    }
-	}
-    }
-  
-  
-  if (!get && !set)
-    {
-      /* `stty icanon echo` */
-      if (tcsetattr(STDIN_FILENO, TCSAFLUSH, &saved_stty))
-	{
-	  perror(*argv);
-	  return 1;
-	}
-      
-      /* Show cursor */
-      printf("%s", "\033[?25h");
-      fflush(stdout);
-    }
-  
-  return 0;
-}
-
-
-/**
- * Test whether a string numerical and with at most two trailing '%'
- * 
- * @param   str  The string
- * @return       Whether the test passed
- */
-static int isnumerical(const char* str)
-{
-  int p = 0, d = 0;
-  if ((*str == 0) || (*str == '%'))
-    return 0;
-  for (; *str; str++)
-    {
-      switch (*str)
-	{
-	case '.':
-	  if (d++)
-	    return 0;
-	  /* fall through */
-	case '0' ... '9':
-	  if (p)
-	    return 0;
-	  break;
-	  
-	case '%':
-	  p++;
-	  break;
-	  
-	default:
-	  return 0;
-	}
-    }
-  return p <= 2;
-}
-
-
-/**
- * Interactively adjust the backlight on a device
- * 
- * @param  cols    The number of columns on the terminal
- * @param  device  The device on which to adjust backlight
- */
-static void adjust(int cols, const char* device)
-{
-  int min, max, cur, step, init, i, d;
-  size_t lendir;
-  char* dir = alloca(PATH_MAX * sizeof(char));
-  char* buf = alloca(256 * sizeof(char));
-  
-  *dir = 0;
-  dir = strcat(dir, BACKLIGHT_DIR "/");
-  dir = strcat(dir, device);
-  dir = strcat(dir, "/");
-  lendir = strlen(dir);
-  
-  /* Get brightness parameters */
-  min = 0;
-  if (readfile(buf, strcat(dir, "max_brightness")))
-    return;
-  max = atoi(unnl(buf));
-  *(dir + lendir) = 0;
-  if (readfile(buf, strcat(dir, "brightness")))
-    return;
-  cur = atoi(unnl(buf));
-  
-  if (max <= min)
-    return; /* what the buck */
-  
-  step = (max - min) / 200 ?: 1;
-  init = cur;
-  
-  P("\n\n\n\n\n");
-  bars(min, max, init, cur, cols);
-  
-  while ((d = getchar()) != -1)
-    switch (d)
-      {
-      case 'q':
-      case '\n':
-      case 4:
-	P("");
-	return;
-	
-      case 'A':
-      case 'C':
-	cur += step << 1;
-	/* fall through */
-      case 'B':
-      case 'D':
-	cur -= step;
-	if (cur < min)  cur = min;
-	if (cur > max)  cur = max;
-	if (writefile(buf, cur, dir))
-	  return;
-	bars(min, max, init, cur, cols);
-      }
-}
-
-
-
-/**
- * Gets the current backlight setting on a device
- * 
- * @param   device  The device from which to get backlight
- * @return          The brightness as a [0; 1] float, negative on error
- */
-static float getbrightness(const char* device)
-{
-  int min, max, cur, i;
-  size_t lendir;
-  char* dir = alloca(PATH_MAX * sizeof(char));
-  char* buf = alloca(256);
-  
-  *dir = 0;
-  dir = strcat(dir, BACKLIGHT_DIR "/");
-  dir = strcat(dir, device);
-  dir = strcat(dir, "/");
-  lendir = strlen(dir);
-  
-  /* Get brightness parameters */
-  min = 0;
-  if (readfile(buf, strcat(dir, "max_brightness")))
-    return -1.f;
-  max = atoi(unnl(buf));
-  *(dir + lendir) = 0;
-  if (readfile(buf, strcat(dir, "brightness")))
-    return -1.f;
-  cur = atoi(unnl(buf));
-  
-  if (max <= min)
-    return -1.f; /* what the buck */
-  
-  return (float)cur / (float)(max - min);
-}
-
-
-
-/**
- * Sets the current backlight setting on a device
- * 
- * @param  device      The device from which to get backlight
- * @param  adjustment  The adjustment to make
- */
-static void setbrightness(const char* device, const char* adjustment)
-{
-  int min, max, cur, i, adj;
-  size_t lendir;
-  char* dir = alloca(PATH_MAX * sizeof(char));
-  char* buf = alloca(256);
-  int act = 0, integer = 0, decimal = 0, p = 0, d = 0;
-  
-  *dir = 0;
-  dir = strcat(dir, BACKLIGHT_DIR "/");
-  dir = strcat(dir, device);
-  dir = strcat(dir, "/");
-  lendir = strlen(dir);
-  
-  /* Get brightness parameters */
-  min = 0;
-  if (readfile(buf, strcat(dir, "max_brightness")))
-    return;
-  max = atoi(unnl(buf));
-  *(dir + lendir) = 0;
-  if (readfile(buf, strcat(dir, "brightness")))
-    return;
-  cur = atoi(unnl(buf));
-  
-  if (max <= min)
-    return; /* what the buck */
-  
-  /* Read -/+/= head */
-  if (*adjustment == '-')
-    act = -1;
-  else if (*adjustment == '+')
-    act = 1;
-  else if (*adjustment != '=')
-    adjustment--;
-  adjustment++;
-  
-  /* Parse numerical part */
-  for (; *adjustment && (*adjustment != '%'); adjustment++)
-    if (*adjustment == '.')
-      d = 1;
-    else if (d)
-      {
-	if ((long long)d * 10 > (long long)INT_MAX)
-	  continue;
-	if ((long long)decimal * 10 + 9 > (long long)INT_MAX)
-	  continue;
-	d *= 10;
-	decimal *= 10;
-	decimal += (*adjustment) - '0';
-      }
-    else
-      {
-	integer *= 10;
-	integer += (*adjustment) - '0';
-      }
-  if (!d)
-    d = 1;
-  
-  /* Count number of p:s */
-  while (*adjustment++)
-    p++;
-  
-  /* Calculate value to send */
-  if (p == 0)
-    adj = integer + (int)((double)decimal / (double)d + 0.5d);
-  else if (p == 1)
-    adj = (int)(((double)integer + (double)decimal / (double)d) * (double)(max - min) / 100.d);
-  else
-    adj = (int)(((double)integer + (double)decimal / (double)d) * (double)cur / 100.d);
-  adj = (act & 1) * cur + (act | 1) * adj;
-  if (adj < min)  adj = min;
-  if (adj > max)  adj = max;
-  
-  /* Send value */
-  writefile(buf, adj, dir);
-}
-
-
-
-/**
- * Read a file
- * 
- * @param   output  Buffer to store the file's content in
- * @param   file    The file to read
- * @return          Zero on success, non-zero on failure
- */
-static int readfile(char* output, const char* file)
-{
-  #define BLOCK_SIZE  256  /* We will not even encounter that much */
-  FILE* f;
-  size_t got, have = 0;
-  int ended = 0;
-  
-  if ((f = fopen(file, "r")) == NULL)
-    {
-      perror(file);
-      return -1;
-    }
-  
-  while (!ended)
-    {
-      got = fread(output + have, 1, BLOCK_SIZE, f);
-      if (got != BLOCK_SIZE)
-	{
-	  ended = feof(f);
-	  have += got;
-	  clearerr(f);
-	  fclose(f);
-	  if (!ended)
-	    {
-	      perror(file);
-	      return -1;
-	    }
-	}
-      else
-	have += got;
-    }
-  
-  *(output + have) = 0;
-  return 0;
-}
-
-
-
-/**
- * Write an integer to a file
- * 
- * @param   buffer   Buffer for temporary data
- * @param   integer  The integer to write
- * @param   file     The file to which to write
- * @return           Zero on success, non-zero on failure
- */
-static int writefile(char* buffer, int integer, const char* file)
-{
-  FILE* f;
-  size_t n = 0;
-  
-  buffer += 32;
-  do
-    {
-      *(buffer - n++) = (char)((integer % 10) + '0');
-      integer /= 10;
-    }
-      while (integer);
-  buffer -= n - 1;
-  *(buffer + n++) = '\n';
-  
-  if ((f = fopen(file, "w")) == NULL)
-    {
-      perror(file);
-      return -1;
-    }
-  
-  if (fwrite(buffer, 1, n, f) != n)
-    {
-      perror(file);
-      fclose(f);
-      return -1;
-    }
-  
-  fflush(f);
-  fclose(f);
-  return 0;
-}
-
-
-
-/**
- * Print the status
- * 
- * @param  min   The minimum possible brightness
- * @param  max   The maximum possible brightness
- * @param  init  The brightness used when the program started
- * @param  cur   The current brightness
- * @param  cols  The number of columns on the terminal
- */
-static void bars(int min, int max, int init, int cur, int cols)
-{
-  int mid = (int)((float)(cur - min) * (float)(cols - 2) / (float)(max - min) + 0.5f);
-  
-  printf("\033[1000D\033[6A");
-  printf("\033[2K┌%s┐\n", line);
-  *(space + mid) = 0;
-  printf("\033[2K│\033[47m%s\033[49m%s│\n", space, space + mid + 1);
-  *(space + mid) = ' ';
-  printf("\033[2K└%s┘\n", line);
-  printf("\033[2KMaximum brightness: %i\n", max);
-  printf("\033[2KInitial brightness: %i\n", init);
-  printf("\033[2KCurrent brightness: %i\n", cur);
-  
-  fflush(stdout);
-}
-