From 24b297f587aa59f6af0e14da196a1e1970ab3a33 Mon Sep 17 00:00:00 2001
From: Moritz Lenz <moritz@faui2k3.org>
Date: Tue, 7 Sep 2010 16:09:04 +0200
Subject: [PATCH] report unrecognized backslash sequences

---
 src/Regex/P6Regex/Grammar.pm | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/Regex/P6Regex/Grammar.pm b/src/Regex/P6Regex/Grammar.pm
index 9b4c70b..d7ce26f 100644
--- a/src/Regex/P6Regex/Grammar.pm
+++ b/src/Regex/P6Regex/Grammar.pm
@@ -145,6 +145,7 @@ grammar Regex::P6Regex::Grammar is HLL::Grammar;
     token backslash:sym<z> { 'z' <.obs: '\\z as end-of-string matcher', '$'> }
     token backslash:sym<Z> { 'Z' <.obs: '\\Z as end-of-string matcher', '\\n?$'> }
     token backslash:sym<Q> { 'Q' <.obs: '\\Q as quotemeta', 'quotes or literal variable match'> }
+    token backslash:sym<unrec> { {} \w <.panic: 'Unrecognized backslash sequence'> }
     token backslash:sym<misc> { \W }
 
     proto token assertion { <...> }