From f29b9335c51a30b98fadc412983c8ab09766d69f Mon Sep 17 00:00:00 2001
From: Brian Candler <b.candler@pobox.com>
Date: Sat, 6 Jun 2009 16:20:34 +0100
Subject: [PATCH] Allow question-mark at end of variable name only

---
 lib/liquid.rb | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/lib/liquid.rb b/lib/liquid.rb
index 679d1c2b..2d6caf7c 100644
--- a/lib/liquid.rb
+++ b/lib/liquid.rb
@@ -29,7 +29,7 @@ module Liquid
   TagStart                    = /\{\%/
   TagEnd                      = /\%\}/
   VariableSignature           = /\(?[\w\-\.\[\]]\)?/
-  VariableSegment             = /[\w\-]\??/
+  VariableSegment             = /[\w\-]/
   VariableStart               = /\{\{/
   VariableEnd                 = /\}\}/
   VariableIncompleteEnd       = /\}\}?/
@@ -44,7 +44,7 @@ module Liquid
   AnyStartingTag              = /\{\{|\{\%/
   PartialTemplateParser       = /#{TagStart}.*?#{TagEnd}|#{VariableStart}.*?#{VariableIncompleteEnd}/
   TemplateParser              = /(#{PartialTemplateParser}|#{AnyStartingTag})/
-  VariableParser              = /\[[^\]]+\]|#{VariableSegment}+/
+  VariableParser              = /\[[^\]]+\]|#{VariableSegment}+\??/
 end
 
 require 'liquid/drop'