# HG changeset patch
# User John W. Eaton <jwe@octave.org>
# Date 1337199720 14400
# Node ID 5b0872b5b234c0920aad9f7c9f4242dff4536e83
# Parent  e12a0ac530b4bafde2061987fe66f030b3a3eb20
fix missing backslash quoting in lexer rules

* lex.ll (\?{IDENT}\.{IDENT}{S}*): Quote . to recognize as literal "."
character.  Properly quote \ in LEXER_DEBUG rules.
From James Laird <james.laird@nicta.com.au>.

diff -r e12a0ac530b4 -r 5b0872b5b234 src/lex.ll
--- a/src/lex.ll	Wed May 16 08:12:32 2012 -0400
+++ b/src/lex.ll	Wed May 16 16:22:00 2012 -0400
@@ -765,8 +765,8 @@
 %}
 
 \?{IDENT}{S}* |
-\?{IDENT}.{IDENT}{S}* {
-    LEXER_DEBUG ("\?{IDENT}{S}* | \?{IDENT}.{IDENT}{S}*");
+\?{IDENT}\.{IDENT}{S}* {
+    LEXER_DEBUG ("\\?{IDENT}{S}*|\\?{IDENT}\\.{IDENT}{S}*");
 
     int id_tok = handle_meta_identifier ();
 
@@ -854,7 +854,7 @@
 %}
 
 \" {
-    LEXER_DEBUG ("\"");
+    LEXER_DEBUG ("\\"");
 
     current_input_column++;
     int tok = handle_string ('"');