Improves options in the manual.

[bison.git] / src / getargs.c

diff --git a/src/getargs.c b/src/getargs.c
index 5601e9811cf0cac82638d2bcfc693f27d5b19de5..9ffa4cf583925083c1af67f0221234eea0b5d048 100644 (file)
--- a/src/getargs.c
+++ b/src/getargs.c
@@ -246,6 +246,11 @@ usage (int status)
             program_name);
   else
     {
+      /* For ../build-aux/cross-options.pl to work, use the format:
+               ^  -S, --long[=ARGS] (whitespace)
+        A --long option is required.
+        Otherwise, add exceptions to ../build-aux/cross-options.pl.  */
+
       printf (_("Usage: %s [OPTION]... FILE\n"), program_name);
       fputs (_("\
 Generate LALR(1) and GLR parsers.\n\