* src/output.c (output_skeleton): Don't disable M4sugar comments

[bison.git] / data / lalr1.cc

diff --git a/data/lalr1.cc b/data/lalr1.cc
index b7b64c3ca7f190b4ee7416b0b439284f72832b1f..8f3ebad881526a1426d6274b924dda98d6fa0e9b 100644 (file)
--- a/data/lalr1.cc
+++ b/data/lalr1.cc
@@ -105,6 +105,8 @@ m4_define([b4_constructor],
                    [])])
 
 
+# We do want M4 expansion after # for CPP macros.
+m4_changecom()
 m4_divert(0)dnl
 #output "b4_output_header_name"
 b4_copyright([C++ Skeleton parser for LALR(1) parsing with Bison],