X-Git-Url: https://git.saurik.com/bison.git/blobdiff_plain/f3ead217b8636f623399e66bd937b1c51774d4af..ac826bc4b15cd29ad51d129cb9cdebac4b25f0bd:/data/c.m4

diff --git a/data/c.m4 b/data/c.m4
index 6c2f5525..b6f77d8f 100644
--- a/data/c.m4
+++ b/data/c.m4
@@ -58,20 +58,17 @@ m4_define([b4_cpp_guard_close],
 # from OPEN.  That's why we don't patsubst([$1], [^\(.\)], [   \1]).
 #
 # Prefix all the output lines with PREFIX.
-m4_define([b4_comment_], [$2[]m4_bpatsubst([$1], [
+m4_define([b4_comment_],
+[$2[]m4_bpatsubst(m4_expand([$1]), [
 \(.\)], [
 $3\1])$4])
 
 
 # b4_comment(TEXT, [PREFIX])
 # --------------------------
-# Put TEXT in comment.  Avoid trailing spaces: don't indent empty lines.
-# Avoid adding indentation to the first line, as the indentation comes
-# from "/*".  That's why we don't patsubst([$1], [^\(.\)], [   \1]).
-#
-# Prefix all the output lines with PREFIX.
+# Put TEXT in comment.  Prefix all the output lines with PREFIX.
 m4_define([b4_comment],
-[b4_comment_([$1], [$2/* ], [$2   ], [$2  */])])
+[b4_comment_([$1], [$2/* ], [$2   ], [  */])])
 
 
 # b4_identification