Index: includes/Article.php
===================================================================
RCS file: /cvsroot/wikipedia/phase3/includes/Article.php,v
retrieving revision 1.454
diff -u -r1.454 Article.php
--- includes/Article.php	28 Jan 2006 00:35:34 -0000	1.454
+++ includes/Article.php	6 Feb 2006 03:54:57 -0000
@@ -732,6 +732,7 @@
 		$diff = $wgRequest->getVal( 'diff' );
 		$rcid = $wgRequest->getVal( 'rcid' );
 		$rdfrom = $wgRequest->getVal( 'rdfrom' );
+		$diffOnly = $wgRequest->getBool( 'diffonly', $wgUser->getOption( 'diffonly' ) );
 
 		$wgOut->setArticleFlag( true );
 		$wgOut->setRobotpolicy( 'index,follow' );
@@ -742,7 +743,7 @@
 			require_once( 'DifferenceEngine.php' );
 			$wgOut->setPageTitle( $this->mTitle->getPrefixedText() );
 
-			$de = new DifferenceEngine( $this->mTitle, $oldid, $diff, $rcid );
+			$de = new DifferenceEngine( $this->mTitle, $oldid, $diff, $rcid, $diffOnly );
 			// DifferenceEngine directly fetched the revision:
 			$this->mRevIdFetched = $de->mNewid;
 			$de->showDiffPage();
Index: includes/DifferenceEngine.php
===================================================================
RCS file: /cvsroot/wikipedia/phase3/includes/DifferenceEngine.php,v
retrieving revision 1.85
diff -u -r1.85 DifferenceEngine.php
--- includes/DifferenceEngine.php	23 Jan 2006 19:41:03 -0000	1.85
+++ includes/DifferenceEngine.php	6 Feb 2006 03:54:57 -0000
@@ -39,9 +39,12 @@
 	 * @param integer $old Old ID we want to show and diff with.
 	 * @param string $new Either 'prev' or 'next'.
 	 * @param integer $rcid ??? (default 0)
+	 * @param boolean $diffOnly only show diff, not rendered article
 	 */
-	function DifferenceEngine( $titleObj = null, $old = 0, $new = 0, $rcid = 0 ) {
+	function DifferenceEngine( $titleObj = null, $old = 0, $new = 0, $rcid = 0, $diffOnly = false ) {
 		$this->mTitle = $titleObj;
+		$this->diffOnly = $diffOnly;
+
 		wfDebug("DifferenceEngine old '$old' new '$new' rcid '$rcid'\n");
 
 		if ( 'prev' == $new ) {
@@ -198,23 +201,32 @@
 			'<br />' . $nextlink . $patrol;
 
 		$this->showDiff( $oldHeader, $newHeader );
-		$wgOut->addHTML( "<hr /><h2>{$this->mPagetitle}</h2>\n" );
 
-		if( !$this->mNewRev->isCurrent() ) {
-			$oldEditSectionSetting = $wgOut->mParserOptions->setEditSection( false );
+		if ( ! $this->diffOnly ) {
+	  		$this->showArticle();
 		}
 
+		wfProfileOut( $fname );
+	}
+
+	/**
+	 * Show the rendered article
+	 */
+	function showArticle() {
+		global $wgOut;
+
+		$wgOut->addHTML( "<hr /><h2>{$this->mPagetitle}</h2>\n" );
 		$this->loadNewText();
 		if( is_object( $this->mNewRev ) ) {
 			$wgOut->setRevisionId( $this->mNewRev->getId() );
 		}
 		$wgOut->addSecondaryWikiText( $this->mNewtext );
-
+		if( !$this->mNewRev->isCurrent() ) {
+			$oldEditSectionSetting = $wgOut->mParserOptions->setEditSection( false );
+		}
 		if( !$this->mNewRev->isCurrent() ) {
 			$wgOut->mParserOptions->setEditSection( $oldEditSectionSetting );
 		}
-
-		wfProfileOut( $fname );
 	}
 
 	/**
Index: languages/Language.php
===================================================================
RCS file: /cvsroot/wikipedia/phase3/languages/Language.php,v
retrieving revision 1.799
diff -u -r1.799 Language.php
--- languages/Language.php	1 Feb 2006 04:41:53 -0000	1.799
+++ languages/Language.php	6 Feb 2006 03:55:01 -0000
@@ -83,6 +83,7 @@
 	'externaldiff' 		=> 0,
 	'showjumplinks'		=> 1,
 	'numberheadings'	=> 0,
+	'diffonly'      	=> 0,
 );
 
 /* private */ $wgQuickbarSettingsEn = array(
@@ -156,6 +157,7 @@
 	'externaleditor',
 	'externaldiff',
 	'showjumplinks',
+	'diffonly',
 );
 
 /* private */ $wgBookstoreListEn = array(
Index: languages/Messages.php
===================================================================
RCS file: /cvsroot/wikipedia/phase3/languages/Messages.php,v
retrieving revision 1.3
diff -u -r1.3 Messages.php
--- languages/Messages.php	4 Feb 2006 18:42:43 -0000	1.3
+++ languages/Messages.php	6 Feb 2006 04:01:08 -0000
@@ -59,6 +59,7 @@
 'tog-externaleditor' => 'Use external editor by default',
 'tog-externaldiff' => 'Use external diff by default',
 'tog-showjumplinks' => 'Enable "jump to" accessibility links',
+'tog-diffonly' => 'Show diffs without article body',
 
 'underline-always' => 'Always',
 'underline-never' => 'Never',