From 394eab4a3afc561f294c2c7212ab2680d244b6fe Mon Sep 17 00:00:00 2001
From: Chris Frederick <chris.frederick@github.com>
Date: Sun, 7 Sep 2014 16:48:57 +0900
Subject: [PATCH 1/3] Add the slugify Liquid filter

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

diff --git a/lib/jekyll/filters.rb b/lib/jekyll/filters.rb
index 2664a01f..bcdf80ff 100644
--- a/lib/jekyll/filters.rb
+++ b/lib/jekyll/filters.rb
@@ -47,6 +47,17 @@ module Jekyll
       converter.convert(input)
     end
 
+    # Slugify a filename or title.
+    #
+    # input - The filename or title to slugify.
+    #
+    # Returns the given filename or title as a lowercase String, with every
+    # sequence of spaces and non-alphanumeric characters replaced with a
+    # hyphen.
+    def slugify(input)
+      Utils.slugify(input)
+    end
+
     # Format a date in short format e.g. "27 Jan 2011".
     #
     # date - the Time to format.

From 77297744ceccd5a03e157c0aac82935d821307d3 Mon Sep 17 00:00:00 2001
From: Chris Frederick <chris.frederick@github.com>
Date: Sun, 7 Sep 2014 16:49:14 +0900
Subject: [PATCH 2/3] Add a test for the slugify Liquid filter

---
 test/test_filters.rb | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/test/test_filters.rb b/test/test_filters.rb
index 58841fe8..e4f1adf3 100644
--- a/test/test_filters.rb
+++ b/test/test_filters.rb
@@ -217,5 +217,11 @@ class TestFilters < Test::Unit::TestCase
       end
     end
 
+    context "slugify filter" do
+      should "return a slugified string" do
+        assert_equal "q-bert-says", @filter.slugify(" Q*bert says @!#?@!")
+      end
+    end
+
   end
 end

From a2fedfc6150fe3a44889c05cce7b1b31c3fa188e Mon Sep 17 00:00:00 2001
From: Chris Frederick <chris.frederick@github.com>
Date: Sun, 7 Sep 2014 17:01:53 +0900
Subject: [PATCH 3/3] Document the slugify Liquid filter

---
 site/_docs/templates.md | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/site/_docs/templates.md b/site/_docs/templates.md
index 5ace04fc..84655db8 100644
--- a/site/_docs/templates.md
+++ b/site/_docs/templates.md
@@ -211,6 +211,17 @@ common tasks easier.
         </p>
       </td>
     </tr>
+    <tr>
+      <td>
+        <p class="name"><strong>Slugify</strong></p>
+        <p>Convert a string into a lowercase URL "slug" by replacing every sequence of spaces and non-alphanumeric characters with a hyphen.</p>
+      </td>
+      <td class="align-center">
+        <p>
+         <code class="filter">{% raw %}{{ page.title | slugify }}{% endraw %}</code>
+        </p>
+      </td>
+    </tr>
     <tr>
       <td>
         <p class="name"><strong>Data To JSON</strong></p>