From 5ca4390a1f32d102601fa679379d720acf207265 Mon Sep 17 00:00:00 2001
From: "Wolfgang (Blub) Bumiller" <blub@speed.at>
Date: Fri, 30 Nov 2012 15:38:03 +0100
Subject: [PATCH] Don't produce 'unknown token' errors in preprocessing mode

---
 lexer.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/lexer.c b/lexer.c
index 295cb5b..258fb97 100644
--- a/lexer.c
+++ b/lexer.c
@@ -1381,6 +1381,12 @@ int lex_do(lex_file *lex)
         return lex->tok.ttype;
     }
 
+    if (lex->flags.preprocessing) {
+        lex_tokench(lex, ch);
+        lex_endtoken(lex);
+        return (lex->tok.ttype = ch);
+    }
+
     lexerror(lex, "unknown token");
     return (lex->tok.ttype = TOKEN_ERROR);
 }
-- 
2.39.2