tell in doc in which version things were introduced

Signed-off-by: Mattias Andrée <maandree@operamail.com>

14 files changed, 34 insertions, 0 deletions

diff --git a/src/err/err.c b/src/err/err.c
index f63d2a4..99b43e5 100644
--- a/src/err/err.c
+++ b/src/err/err.c
@@ -31,6 +31,8 @@
  * @param  status  The exit status the process should have.
  * @param  format  Formatting-string for the warning.
  * @param  ...     Formatting-arguments.
+ * 
+ * @since  Always.
  */
 void err(int status, const char* format, ...)
 {
diff --git a/src/err/errx.c b/src/err/errx.c
index d29f849..50f63b7 100644
--- a/src/err/errx.c
+++ b/src/err/errx.c
@@ -31,6 +31,8 @@
  * @param  status  The exit status the process should have.
  * @param  format  Formatting-string for the warning.
  * @param  ...     Formatting-arguments.
+ * 
+ * @since  Always.
  */
 void errx(int status, const char* format, ...)
 {
diff --git a/src/err/verr.c b/src/err/verr.c
index 2857c16..475efdb 100644
--- a/src/err/verr.c
+++ b/src/err/verr.c
@@ -33,6 +33,8 @@
  * @param  status  The exit status the process should have.
  * @param  format  Formatting-string for the warning.
  * @param  args    Formatting-arguments.
+ * 
+ * @since  Always.
  */
 void verr(int status, const char* format, va_list args)
 {
diff --git a/src/err/verrx.c b/src/err/verrx.c
index 4708264..12b4c72 100644
--- a/src/err/verrx.c
+++ b/src/err/verrx.c
@@ -32,6 +32,8 @@
  * @param  status  The exit status the process should have.
  * @param  format  Formatting-string for the warning.
  * @param  args    Formatting-arguments.
+ * 
+ * @since  Always.
  */
 void verrx(int status, const char* format, va_list args)
 {
diff --git a/src/err/vwarn.c b/src/err/vwarn.c
index 78676d4..782f2f1 100644
--- a/src/err/vwarn.c
+++ b/src/err/vwarn.c
@@ -30,6 +30,8 @@
  * 
  * @param  format  Formatting-string for the warning.
  * @param  args    Formatting-arguments.
+ * 
+ * @since  Always.
  */
 void vwarn(const char* format, va_list args)
 {
diff --git a/src/err/vwarnx.c b/src/err/vwarnx.c
index c44e57a..7c29fa1 100644
--- a/src/err/vwarnx.c
+++ b/src/err/vwarnx.c
@@ -29,6 +29,8 @@
  * 
  * @param  format  Formatting-string for the warning.
  * @param  args    Formatting-arguments.
+ * 
+ * @since  Always.
  */
 void vwarnx(const char* format, va_list args)
 {
diff --git a/src/err/warn.c b/src/err/warn.c
index de5c793..82bda4e 100644
--- a/src/err/warn.c
+++ b/src/err/warn.c
@@ -30,6 +30,8 @@
  * 
  * @param  format  Formatting-string for the warning.
  * @param  ...     Formatting-arguments.
+ * 
+ * @since  Always.
  */
 void warn(const char* format, ...)
 {
diff --git a/src/err/warnx.c b/src/err/warnx.c
index d80dfd8..adc136f 100644
--- a/src/err/warnx.c
+++ b/src/err/warnx.c
@@ -30,6 +30,8 @@
  * 
  * @param  format  Formatting-string for the warning.
  * @param  ...     Formatting-arguments.
+ * 
+ * @since  Always.
  */
 void warnx(const char* format, ...)
 {
diff --git a/src/errno/variables.c b/src/errno/variables.c
index e204a2c..9523b37 100644
--- a/src/errno/variables.c
+++ b/src/errno/variables.c
@@ -35,6 +35,8 @@
  * or `argv[0]` is edited.
  * 
  * This is a GNU and slibc extension.
+ * 
+ * @since  Always.
  */
 char* program_invocation_name = NULL;
 
@@ -46,6 +48,8 @@ char* program_invocation_name = NULL;
  * or `argv[0]` is edited.
  * 
  * This is a GNU extension.
+ * 
+ * @since  Always.
  */
 char* program_invocation_short_name = NULL;
 
diff --git a/src/error/error.c b/src/error/error.c
index 6b15c4c..496ce3c 100644
--- a/src/error/error.c
+++ b/src/error/error.c
@@ -35,6 +35,8 @@
  *                 be printed.
  * @param  format  Formatting-string for a detailed description of what happend.
  * @param  args    Formatting-arguments for `format`.
+ * 
+ * @since  Always.
  */
 void error(int status, int errnum, const char* format, ...)
 {
diff --git a/src/error/error_at_line.c b/src/error/error_at_line.c
index 9e9a79c..8b88df3 100644
--- a/src/error/error_at_line.c
+++ b/src/error/error_at_line.c
@@ -37,6 +37,8 @@
  * @param  linenum   The line number of in the source code file where the error occurred.
  * @param  format    Formatting-string for a detailed description of what happend.
  * @param  args      Formatting-arguments for `format`.
+ * 
+ * @since  Always.
  */
 void error_at_line(int status, int errnum, const char* filename,
 		   unsigned int linenum, const char* format, ...)
diff --git a/src/error/variables.c b/src/error/variables.c
index a31c970..b012921 100644
--- a/src/error/variables.c
+++ b/src/error/variables.c
@@ -27,6 +27,8 @@
  * This is a GNU extension.
  * 
  * @etymology  (`error`)-subsystem: (message count).
+ * 
+ * @since  Always.
  */
 volatile unsigned int error_message_count = 0;
 
@@ -48,6 +50,8 @@ volatile unsigned int error_message_count = 0;
  * This is a GNU extension.
  * 
  * @etymology  (`error`)-subsystem: print (one) time (per line).
+ * 
+ * @since  Always.
  */
 volatile int error_one_per_line = 1;
 
@@ -62,6 +66,8 @@ volatile int error_one_per_line = 1;
  * This is a GNU extension.
  * 
  * @etymology  (`error`)-subsystem function: (print) the (prog)ram's (name).
+ * 
+ * @since  Always.
  */
 void (*volatile error_print_progname)(void) = NULL;
 
diff --git a/src/error/verror.c b/src/error/verror.c
index a5a4551..3632f7c 100644
--- a/src/error/verror.c
+++ b/src/error/verror.c
@@ -34,6 +34,8 @@
  *                 be printed.
  * @param  format  Formatting-string for a detailed description of what happend.
  * @param  args    Formatting-arguments for `format`.
+ * 
+ * @since  Always.
  */
 void verror(int status, int errnum, const char* format, va_list args)
 {
diff --git a/src/error/verror_at_line.c b/src/error/verror_at_line.c
index dd51f30..ae6c566 100644
--- a/src/error/verror_at_line.c
+++ b/src/error/verror_at_line.c
@@ -42,6 +42,8 @@
  * @param  linenum   The line number of in the source code file where the error occurred.
  * @param  format    Formatting-string for a detailed description of what happend.
  * @param  args      Formatting-arguments for `format`.
+ * 
+ * @since  Always.
  */
 void verror_at_line(int status, int errnum, const char* filename,
 		    unsigned int linenum, const char* format, va_list args)