From d585aa08551aa78b692bab8326509baef02a7b3d Mon Sep 17 00:00:00 2001
From: John Hodge <tpg@ucc.asn.au>
Date: Sun, 12 Nov 2017 21:23:47 +0800
Subject: macro_rules - Allow ? in expressions

---
 src/macro_rules/eval.cpp | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/macro_rules/eval.cpp b/src/macro_rules/eval.cpp
index 56e4d359..05c02248 100644
--- a/src/macro_rules/eval.cpp
+++ b/src/macro_rules/eval.cpp
@@ -1348,6 +1348,9 @@ namespace
                 // '.' ident/int
                 switch( lex.next() )
                 {
+                case TOK_QMARK:
+                    lex.consume();
+                    break;
                 case TOK_DOT:
                     lex.consume();
                     if( lex.consume_if(TOK_IDENT) )
-- 
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