improve texinfo manual

Signed-off-by: Mattias Andrée <maandree@member.fsf.org>

2 files changed, 28 insertions, 0 deletions

diff --git a/doc/info/chap/invoking.texinfo b/doc/info/chap/invoking.texinfo
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+@node Invoking
+@chapter Invoking
+
+@emph{Do not use this if you have epilepsia}
+
+@command{unstickpixels} will not run in a graphical environment.
+If you are using a graphical environment and do not know how
+to access the Linux VT, here is how you do it: press @kbd{Ctrl+Alt+F1},
+if this does not open non-graphical login screen, press @kbd{Alt+Right}
+until you get one. To get back to graphical environment, hold
+down @kbd{Alt+Right} until it appears.
+
+Run @command{unstickpixels} without arguments.
+
diff --git a/doc/info/chap/overview.texinfo b/doc/info/chap/overview.texinfo
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+@node Overview
+@chapter Overview
+
+@command{unstickpixels} tries to unstick stuck pixels.
+
+Dead (always black) pixels are hard to revive, stuck pixels
+on the other hand are more probable to get fixed.
+
+This program should be run under the Linux VT. It works by
+cycling the colour on the screen between sRGB(100 %, 0, 0),
+sRGB(0, 100 %, 0) and sRGB(0, 0, 100 %), as fast as possible.
+If you want to slow down the cycling you can add, as the only
+argument, the millisecond time sleep between the colours.
+