From 042d537992063b86e5d4d064e01357f6869e42e8 Mon Sep 17 00:00:00 2001
From: Justin Hileman <justin@justinhileman.info>
Date: Wed, 28 Nov 2012 12:59:06 -0800
Subject: [PATCH] Allow "empty" filesystem loader extension.

Fixes #123
---
 src/Mustache/Loader/FilesystemLoader.php | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/src/Mustache/Loader/FilesystemLoader.php b/src/Mustache/Loader/FilesystemLoader.php
index 2beadb0..bbd2a43 100644
--- a/src/Mustache/Loader/FilesystemLoader.php
+++ b/src/Mustache/Loader/FilesystemLoader.php
@@ -55,8 +55,12 @@ class Mustache_Loader_FilesystemLoader implements Mustache_Loader
             throw new RuntimeException('FilesystemLoader baseDir must be a directory: '.$baseDir);
         }
 
-        if (isset($options['extension'])) {
-            $this->extension = '.' . ltrim($options['extension'], '.');
+        if (array_key_exists('extension', $options)) {
+            if (empty($options['extension'])) {
+                $this->extension = '';
+            } else {
+                $this->extension = '.' . ltrim($options['extension'], '.');
+            }
         }
     }