From 55a2ea611fb3bb3ac0ae69ee67ff6927be0316df Mon Sep 17 00:00:00 2001
From: Ryan Boren <ryan@git.wordpress.org>
Date: Mon, 16 Jun 2008 22:27:07 +0000
Subject: [PATCH] previous_post_link and next_post_link filters. Props
 JohnLamansky. fixes #6985 for trunk

git-svn-id: https://develop.svn.wordpress.org/trunk@8108 602fd350-edb4-49c9-b593-d223f7449a82
---
 wp-includes/link-template.php | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/wp-includes/link-template.php b/wp-includes/link-template.php
index edfb5f1fbf..9875356c65 100644
--- a/wp-includes/link-template.php
+++ b/wp-includes/link-template.php
@@ -611,7 +611,8 @@ function adjacent_post_link($format, $link, $in_same_cat = false, $excluded_cate
 
 	$format = str_replace('%link', $link, $format);
 
-	echo $format;
+	$adjacent = $previous ? 'previous' : 'next';
+	echo apply_filters( "{$adjacent}_post_link", $format, $link );
 }
 
 function get_pagenum_link($pagenum = 1) {