From badfb9b13f3b66df76f82cc2d01a26f7bb1c827f Mon Sep 17 00:00:00 2001
From: Mark Holmquist <mtraceur@member.fsf.org>
Date: Tue, 5 Mar 2013 15:32:52 -0800
Subject: [PATCH] Return empty string for trail/prefix if disabled

This is necessary so Parsoid can know when the API doesn't have the linktrail/
prefix feature and when the API is actually telling us that the trail/prefix
is/are disabled.

Bug: 41151
Change-Id: If0895d507fe1b473e42bceb135d4030106ded442
---
 includes/api/ApiQuerySiteinfo.php | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/includes/api/ApiQuerySiteinfo.php b/includes/api/ApiQuerySiteinfo.php
index ac13589b07..596fd0661a 100644
--- a/includes/api/ApiQuerySiteinfo.php
+++ b/includes/api/ApiQuerySiteinfo.php
@@ -139,11 +139,15 @@ class ApiQuerySiteinfo extends ApiQueryBase {
 
 		if ( $wgContLang->linkPrefixExtension() ) {
 			$data['linkprefix'] = wfMessage( 'linkprefix' )->inContentLanguage()->text();
+		} else {
+			$data['linkprefix'] = '';
 		}
 
 		$linktrail = $wgContLang->linkTrail();
 		if ( $linktrail ) {
 			$data['linktrail'] = $linktrail;
+		} else {
+			$data['linktrail'] = '';
 		}
 
 		$git = SpecialVersion::getGitHeadSha1( $GLOBALS['IP'] );
-- 
2.20.1