From 8e82a7029e956138522a83971eb084fb19962f64 Mon Sep 17 00:00:00 2001
From: Alexandre Emsenhuber <ialex@users.mediawiki.org>
Date: Sun, 20 Apr 2008 18:53:46 +0000
Subject: [PATCH] (bug 13796) Show links to parent pages even if some of them
 are missing

---
 RELEASE-NOTES     |  1 +
 includes/Skin.php | 18 ++++++++++++------
 2 files changed, 13 insertions(+), 6 deletions(-)

diff --git a/RELEASE-NOTES b/RELEASE-NOTES
index 44e43c1c37..5e1ebcb36a 100644
--- a/RELEASE-NOTES
+++ b/RELEASE-NOTES
@@ -207,6 +207,7 @@ it from source control: http://www.mediawiki.org/wiki/Download_from_SVN
   changeable or all unchangeable
 * Fix fatal error on calling PAGESINCATEGORY with invalid category name
 * (bug 13793) Special:Whatlinkshere filters wrong - after paginating instead of before
+* (bug 13796) Show links to parent pages even if some of them are missing
 
 === API changes in 1.13 ===
 
diff --git a/includes/Skin.php b/includes/Skin.php
index 77b215c352..0b9e3be7fd 100644
--- a/includes/Skin.php
+++ b/includes/Skin.php
@@ -888,22 +888,28 @@ END;
 			$ptext=$wgTitle->getPrefixedText();
 			if(preg_match('/\//',$ptext)) {
 				$links = explode('/',$ptext);
+				array_pop( $links );
 				$c = 0;
 				$growinglink = '';
+				$display = '';
 				foreach($links as $link) {
-					$c++;
-					if ($c<count($links)) {
-						$growinglink .= $link;
-						$getlink = $this->makeLink( $growinglink, htmlspecialchars( $link ) );
-						if(preg_match('/class="new"/i',$getlink)) { break; } # this is a hack, but it saves time
+					$growinglink .= $link;
+					$display .= $link;
+					$linkObj = Title::newFromText( $growinglink );
+					if( $linkObj->exists() ){
+						$getlink = $this->makeKnownLinkObj( $linkObj, htmlspecialchars( $display ) );
+						$c++;
 						if ($c>1) {
 							$subpages .= ' | ';
 						} else  {
 							$subpages .= '&lt; ';
 						}
 						$subpages .= $getlink;
-						$growinglink .= '/';
+						$display = '';
+					} else {
+						$display .= '/';
 					}
+					$growinglink .= '/';
 				}
 			}
 		}
-- 
2.20.1