X-Git-Url: https://git.saurik.com/bison.git/blobdiff_plain/1c59e0a1212dd654259d9aca83838c77c8dab53e..adc90f13abe835bb5b6cf23ec00e516877c3f5d7:/examples/extexi

diff --git a/examples/extexi b/examples/extexi
index b7af17a1..4bd48979 100644
--- a/examples/extexi
+++ b/examples/extexi
@@ -1,7 +1,7 @@
 # Extract all examples from the manual source.            -*- AWK -*-
 
-# This file is part of GNU M4
-# Copyright 1992, 2000, 2001 Free Software Foundation, Inc.
+# This file is part of GNU Bison
+# Copyright 1992, 2000, 2001, 2005 Free Software Foundation, Inc.
 #
 # 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
@@ -18,8 +18,8 @@
 # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
 # 02111-1307  USA
 
-# This script is for use with any New AWK.
-# Well, now it uses ARGV/ARGC, and I don't know if it's New AWK portable.
+# This script is for use with any Awk that conforms to POSIX.
+# It was derived from a similar script tests/generate.awk in GNU m4.
 #
 # Usage: extexi input-file.texi ... -- [FILES to extract]
 BEGIN {
@@ -123,8 +123,11 @@ function normalize(contents,    i, lines, n, line, res) {
 
 
 function message(msg) {
-  # FNR starts at 0 instead of 1 for line numbers.
-  print "extexi: " FILENAME ":" (FNR + 1) ": " msg > "/dev/stderr";
+  if (! message_printed[msg])
+    {
+      print "extexi: " msg > "/dev/stderr";
+      message_printed[msg] = 1;
+    }
 }
 
 function fatal(msg) {