From a72706ace6059ab9290de566b548f85a445e7a6c Mon Sep 17 00:00:00 2001
From: Chris Frederick <chris.frederick@github.com>
Date: Tue, 26 Aug 2014 11:46:01 +0900
Subject: [PATCH] Add Document#slug

---
 lib/jekyll/document.rb | 11 ++++++++++-
 1 file changed, 10 insertions(+), 1 deletion(-)

diff --git a/lib/jekyll/document.rb b/lib/jekyll/document.rb
index a4bc6412..db471c32 100644
--- a/lib/jekyll/document.rb
+++ b/lib/jekyll/document.rb
@@ -45,6 +45,15 @@ module Jekyll
       File.basename(path, suffix)
     end
 
+    # The sluggified base filename of the document.
+    #
+    # Returns the base filename of the document in lowercase, with every
+    # sequence of spaces and non-alphanumeric characters replaced with a
+    # hyphen.
+    def slug
+      File.basename(path, ".*").downcase.gsub(/[\W\s]+/, '-')
+    end
+
     # The extension name of the document.
     #
     # Returns the extension name of the document.
@@ -129,7 +138,7 @@ module Jekyll
         collection: collection.label,
         path:       cleaned_relative_path,
         output_ext: Jekyll::Renderer.new(site, self).output_ext,
-        name:       basename(".*")
+        name:       slug
       }
     end