From 377f5eaa23866f645f1c8eced157aa8f40481b71 Mon Sep 17 00:00:00 2001
From: Cary R <cygcary@yahoo.com>
Date: Tue, 11 Mar 2008 18:47:41 -0700
Subject: [PATCH] Add \' as a string constant to block macro expansion.

This patch allows you to type "The \`define is `value" and not have
Icarus try to expand `define as a macro.
---
 ivlpp/lexor.lex | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/ivlpp/lexor.lex b/ivlpp/lexor.lex
index 57fc61c4c2..7bbd296408 100644
--- a/ivlpp/lexor.lex
+++ b/ivlpp/lexor.lex
@@ -253,7 +253,8 @@ keywords (include|define|undef|ifdef|ifndef|else|elseif|endif)
   * string.
   */
 \"            { string_enter = YY_START; BEGIN(CSTRING); ECHO; }
-<CSTRING>\\\" { ECHO; }
+<CSTRING>\\\" |
+<CSTRING>\\`  { ECHO; }
 <CSTRING>\r\n |
 <CSTRING>\n\r |
 <CSTRING>\n   |