Explain the different license terms for module descriptions,

[gnulib.git] / lib / argp.h

diff --git a/lib/argp.h b/lib/argp.h
index f4d6953..13b0cdd 100644 (file)
--- a/lib/argp.h
+++ b/lib/argp.h
@@ -94,7 +94,10 @@ struct argp_option
   /* The doc string for this option.  If both NAME and KEY are 0, This string
      will be printed outdented from the normal option column, making it
      useful as a group header (it will be the first thing printed in its
-     group); in this usage, it's conventional to end the string with a `:'.  */
+     group); in this usage, it's conventional to end the string with a `:'.
+
+     Write the initial value as N_("TEXT") if you want xgettext to collect
+     it into a POT file.  */
   const char *doc;
 
   /* The group this option is in.  In a long help message, options are sorted
@@ -410,16 +413,30 @@ struct argp_state
    returned.  This function may also call exit unless the ARGP_NO_HELP flag
    is set.  INPUT is a pointer to a value to be passed in to the parser.  */
 extern error_t argp_parse (const struct argp *__restrict __argp,
-                          int __argc, char **__restrict __argv,
+                          int /*argc*/, char **__restrict /*argv*/,
                           unsigned __flags, int *__restrict __arg_index,
                           void *__restrict __input);
 extern error_t __argp_parse (const struct argp *__restrict __argp,
-                            int __argc, char **__restrict __argv,
+                            int /*argc*/, char **__restrict /*argv*/,
                             unsigned __flags, int *__restrict __arg_index,
                             void *__restrict __input);
 \f
 /* Global variables.  */
 
+/* GNULIB makes sure both program_invocation_name and
+   program_invocation_short_name are available */
+#ifdef GNULIB_PROGRAM_INVOCATION_NAME
+extern char *program_invocation_name;
+# undef HAVE_DECL_PROGRAM_INVOCATION_NAME
+# define HAVE_DECL_PROGRAM_INVOCATION_NAME 1
+#endif
+
+#ifdef GNULIB_PROGRAM_INVOCATION_SHORT_NAME
+extern char *program_invocation_short_name;
+# undef HAVE_DECL_PROGRAM_INVOCATION_SHORT_NAME
+# define HAVE_DECL_PROGRAM_INVOCATION_SHORT_NAME 1
+#endif
+
 /* If defined or set by the user program to a non-zero value, then a default
    option --version is added (unless the ARGP_NO_HELP flag is used), which
    will print this string followed by a newline and exit (unless the
@@ -565,7 +582,7 @@ extern void *__argp_input (const struct argp *__restrict __argp,
 # endif
 
 ARGP_EI void
-__NTH (__argp_usage (const struct argp_state *__state))
+__argp_usage (const struct argp_state *__state)
 {
   __argp_state_help (__state, stderr, ARGP_HELP_STD_USAGE);
 }