Add test glr-regr1.at to check for incorrect collapsing of states during

[bison.git] / data / glr.c

diff --git a/data/glr.c b/data/glr.c
index 77a35afc713450c23f5e5b0a11dd4649488d2d34..4d34e5f3128cf200596ffed3839a4f963b4c7310 100644 (file)
--- a/data/glr.c
+++ b/data/glr.c
@@ -111,6 +111,8 @@ m4_define_default([b4_header_guard],
                                 [[^ABCDEFGHIJKLMNOPQRSTUVWXYZ]], [_])])
 
 
+# We do want M4 expansion after # for CPP macros.
+m4_changecom()
 m4_divert(0)dnl
 #output "b4_output_parser_name"
 b4_copyright([Skeleton parser for GLR parsing with Bison], [2002])