From c313a75c801173295c6c8197e0210afc7f2cae7b Mon Sep 17 00:00:00 2001
From: Jackmcbarn <jackmcbarn@gmail.com>
Date: Thu, 29 May 2014 17:08:13 -0400
Subject: [PATCH] Support {{!}} as a magic word

Add {{!}} as a magic word that expands to a pipe. Parsoid already does
this, so we know it isn't going to cause major breakage.

Change-Id: I1f857417d224d6443504074a5add852df3975b89
---
 RELEASE-NOTES-1.24                | 2 ++
 includes/MagicWord.php            | 1 +
 includes/parser/Parser.php        | 3 +++
 languages/messages/MessagesEn.php | 1 +
 tests/parser/parserTests.txt      | 6 ------
 5 files changed, 7 insertions(+), 6 deletions(-)

diff --git a/RELEASE-NOTES-1.24 b/RELEASE-NOTES-1.24
index d8543b7594..c43e730f7d 100644
--- a/RELEASE-NOTES-1.24
+++ b/RELEASE-NOTES-1.24
@@ -92,6 +92,8 @@ production.
 * Browser tests are now included to verify basic wiki functionality in developer
   environments. For details on running tests, see tests/browser/README.mediawiki.
 * Upgrade jStorage to v0.4.10.
+* {{!}} is now a magic word that produces the | character. This removes the need
+  for Template:! for purposes such as passing pipes inside of parameters.
 
 === Bug fixes in 1.24 ===
 * (bug 49116) Footer copyright notice is now always displayed in user language
diff --git a/includes/MagicWord.php b/includes/MagicWord.php
index 3e327c3559..7decbee0ab 100644
--- a/includes/MagicWord.php
+++ b/includes/MagicWord.php
@@ -96,6 +96,7 @@ class MagicWord {
 
 	static public $mVariableIDsInitialised = false;
 	static public $mVariableIDs = array(
+		'!',
 		'currentmonth',
 		'currentmonth1',
 		'currentmonthname',
diff --git a/includes/parser/Parser.php b/includes/parser/Parser.php
index fa5d6788fa..eb7bd1b0c8 100644
--- a/includes/parser/Parser.php
+++ b/includes/parser/Parser.php
@@ -2820,6 +2820,9 @@ class Parser {
 		$pageLang = $this->getFunctionLang();
 
 		switch ( $index ) {
+			case '!':
+				$value = '|';
+				break;
 			case 'currentmonth':
 				$value = $pageLang->formatNum( MWTimestamp::getInstance( $ts )->format( 'm' ) );
 				break;
diff --git a/languages/messages/MessagesEn.php b/languages/messages/MessagesEn.php
index 07a0467aca..cabc89c887 100644
--- a/languages/messages/MessagesEn.php
+++ b/languages/messages/MessagesEn.php
@@ -209,6 +209,7 @@ $magicWords = array(
 	'forcetoc'                => array( 0,    '__FORCETOC__' ),
 	'toc'                     => array( 0,    '__TOC__' ),
 	'noeditsection'           => array( 0,    '__NOEDITSECTION__' ),
+	'!'                       => array( 1,    '!' ),
 	'currentmonth'            => array( 1,    'CURRENTMONTH', 'CURRENTMONTH2' ),
 	'currentmonth1'           => array( 1,    'CURRENTMONTH1' ),
 	'currentmonthname'        => array( 1,    'CURRENTMONTHNAME' ),
diff --git a/tests/parser/parserTests.txt b/tests/parser/parserTests.txt
index 03e4959d0f..f6238bb804 100644
--- a/tests/parser/parserTests.txt
+++ b/tests/parser/parserTests.txt
@@ -87,12 +87,6 @@ Template:tbl-end
 |}
 !! endarticle
 
-!! article
-Template:!
-!! text
-|
-!! endarticle
-
 !! article
 Template:echo
 !! text
-- 
2.20.1