From c31d676f0f20425663bbd8b3c63f8e5820b7e478 Mon Sep 17 00:00:00 2001
From: Jack Danger Canty <gitcommit@6brand.com>
Date: Wed, 10 Dec 2008 12:02:02 -0800
Subject: [PATCH] skipping related_posts when there is only one post.

Without this the Matrix class raises an error trying
to coerce nil into a Matrix.
---
 lib/jekyll/post.rb | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/lib/jekyll/post.rb b/lib/jekyll/post.rb
index e570baaff0e..c227e3180d1 100644
--- a/lib/jekyll/post.rb
+++ b/lib/jekyll/post.rb
@@ -96,6 +96,7 @@ def id
     #
     # Returns [<Post>]
     def related_posts(posts)
+      return [] unless posts.size > 1
       self.class.lsi ||= begin
         puts "Running the classifier... this could take a while."
         lsi = Classifier::LSI.new
@@ -145,4 +146,4 @@ def to_liquid
     end
   end
 
-end
\ No newline at end of file
+end