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-rw-r--r--src/macro_rules/mod.cpp1
1 files changed, 1 insertions, 0 deletions
diff --git a/src/macro_rules/mod.cpp b/src/macro_rules/mod.cpp
index 0d542602..2803b061 100644
--- a/src/macro_rules/mod.cpp
+++ b/src/macro_rules/mod.cpp
@@ -32,6 +32,7 @@ bool is_token_pat(eTokenType tt) {
case TOK_PAREN_OPEN:
case TOK_SQUARE_OPEN:
+ case TOK_UNDERSCORE:
case TOK_AMP:
case TOK_RWORD_BOX:
case TOK_RWORD_REF: