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

[bison.git] / data / yacc.c

diff --git a/data/yacc.c b/data/yacc.c
index 11edba30403940eb1080a422682adaf7efc815c6..0bbd482792d3847c7574b5583526fd7fad9607e3 100644 (file)
--- a/data/yacc.c
+++ b/data/yacc.c
@@ -156,7 +156,8 @@ m4_popdef([b4_dollar_dollar])dnl
 ])
 
 
-
+# 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 Yacc-like parsing with Bison],