From 2d5945f0fcdf1690fc559646ccdfe2d521b05c39 Mon Sep 17 00:00:00 2001
From: Scott Taylor <wonderboymusic@git.wordpress.org>
Date: Mon, 14 Sep 2015 02:45:33 +0000
Subject: [PATCH] In `wp_link_pages()`, ensure that `$prev` is greater than
 `0`.

Props betzster.
Fixes #25273.


git-svn-id: https://develop.svn.wordpress.org/trunk@34108 602fd350-edb4-49c9-b593-d223f7449a82
---
 src/wp-includes/post-template.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/wp-includes/post-template.php b/src/wp-includes/post-template.php
index faf75ab4cc..09c7707417 100644
--- a/src/wp-includes/post-template.php
+++ b/src/wp-includes/post-template.php
@@ -849,7 +849,7 @@ function wp_link_pages( $args = '' ) {
 		} elseif ( $more ) {
 			$output .= $r['before'];
 			$prev = $page - 1;
-			if ( $prev ) {
+			if ( $prev > 0 ) {
 				$link = _wp_link_page( $prev ) . $r['link_before'] . $r['previouspagelink'] . $r['link_after'] . '</a>';
 
 				/** This filter is documented in wp-includes/post-template.php */