From 4085e29f80fbb760cd2050a9a8cc93bc18dbb6ee Mon Sep 17 00:00:00 2001
From: Parker Moore <parkrmoore@gmail.com>
Date: Wed, 1 Mar 2017 21:39:23 -0500
Subject: [PATCH] Document::DATE_FILENAME_MATCHER: allow abbreviated dates in
 post filenames

---
 lib/jekyll/document.rb | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/jekyll/document.rb b/lib/jekyll/document.rb
index fecd5828..386683d6 100644
--- a/lib/jekyll/document.rb
+++ b/lib/jekyll/document.rb
@@ -9,7 +9,7 @@ module Jekyll
 
     YAML_FRONT_MATTER_REGEXP = %r!\A(---\s*\n.*?\n?)^((---|\.\.\.)\s*$\n?)!m
     DATELESS_FILENAME_MATCHER = %r!^(?:.+/)*(.*)(\.[^.]+)$!
-    DATE_FILENAME_MATCHER = %r!^(?:.+/)*(\d{4}-\d{2}-\d{2})-(.*)(\.[^.]+)$!
+    DATE_FILENAME_MATCHER = %r!^(?:.+/)*(\d{2,4}-\d{1,2}-\d{1,2})-(.*)(\.[^.]+)$!
 
     # Create a new Document.
     #