From 489da6784a216b1eb1789b618d6aa96f815114b2 Mon Sep 17 00:00:00 2001
From: ChaYoung You <yousbe@gmail.com>
Date: Thu, 5 Mar 2015 18:19:32 +0900
Subject: [PATCH] Remove duplicated range from regex

`/\w/` is equivalent to `[a-zA-Z0-9_]`. See
http://ruby-doc.org/core-2.2.0/doc/regexp_rdoc.html#label-Character+Classes.
---
 lib/jekyll/site.rb | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/jekyll/site.rb b/lib/jekyll/site.rb
index aadfb8d0..96910255 100644
--- a/lib/jekyll/site.rb
+++ b/lib/jekyll/site.rb
@@ -528,7 +528,7 @@ module Jekyll
     end
 
     def sanitize_filename(name)
-      name.gsub!(/[^\w\s_-]+/, '')
+      name.gsub!(/[^\w\s-]+/, '')
       name.gsub!(/(^|\b\s)\s+($|\s?\b)/, '\\1\\2')
       name.gsub(/\s+/, '_')
     end