Merge branch 'archwiki'

Conflicts:
	extensions/FluxBBAuthPlugin.php
	extensions/SyntaxHighlight_GeSHi/README
	extensions/SyntaxHighlight_GeSHi/SyntaxHighlight_GeSHi.class.php
	extensions/SyntaxHighlight_GeSHi/SyntaxHighlight_GeSHi.i18n.php
	extensions/SyntaxHighlight_GeSHi/SyntaxHighlight_GeSHi.php
	extensions/SyntaxHighlight_GeSHi/geshi/docs/CHANGES
	extensions/SyntaxHighlight_GeSHi/geshi/docs/THANKS
	extensions/SyntaxHighlight_GeSHi/geshi/docs/TODO
	extensions/SyntaxHighlight_GeSHi/geshi/docs/api/media/images/AbstractClass.png
	extensions/SyntaxHighlight_GeSHi/geshi/docs/api/media/images/AbstractClass_logo.png
	extensions/SyntaxHighlight_GeSHi/geshi/docs/api/media/images/AbstractMethod.png
	extensions/SyntaxHighlight_GeSHi/geshi/docs/api/media/images/AbstractPrivateClass.png
	extensions/SyntaxHighlight_GeSHi/geshi/docs/api/media/images/AbstractPrivateClass_logo.png
	extensions/SyntaxHighlight_GeSHi/geshi/docs/api/media/images/AbstractPrivateMethod.png
	extensions/SyntaxHighlight_GeSHi/geshi/docs/api/media/images/Class.png
	extensions/SyntaxHighlight_GeSHi/geshi/docs/api/media/images/Class_logo.png
	extensions/SyntaxHighlight_GeSHi/geshi/docs/api/media/images/Constant.png
	extensions/SyntaxHighlight_GeSHi/geshi/docs/api/media/images/Constructor.png
	extensions/SyntaxHighlight_GeSHi/geshi/docs/api/media/images/Destructor.png
	extensions/SyntaxHighlight_GeSHi/geshi/docs/api/media/images/Function.png
	extensions/SyntaxHighlight_GeSHi/geshi/docs/api/media/images/Global.png
	extensions/SyntaxHighlight_GeSHi/geshi/docs/api/media/images/I.png
	extensions/SyntaxHighlight_GeSHi/geshi/docs/api/media/images/Index.png
	extensions/SyntaxHighlight_GeSHi/geshi/docs/api/media/images/Interface.png
	extensions/SyntaxHighlight_GeSHi/geshi/docs/api/media/images/Interface_logo.png
	extensions/SyntaxHighlight_GeSHi/geshi/docs/api/media/images/L.png
	extensions/SyntaxHighlight_GeSHi/geshi/docs/api/media/images/Lminus.png
	extensions/SyntaxHighlight_GeSHi/geshi/docs/api/media/images/Lplus.png
	extensions/SyntaxHighlight_GeSHi/geshi/docs/api/media/images/Method.png
	extensions/SyntaxHighlight_GeSHi/geshi/docs/api/media/images/Page.png
	extensions/SyntaxHighlight_GeSHi/geshi/docs/api/media/images/Page_logo.png
	extensions/SyntaxHighlight_GeSHi/geshi/docs/api/media/images/PrivateClass.png
	extensions/SyntaxHighlight_GeSHi/geshi/docs/api/media/images/PrivateClass_logo.png
	extensions/SyntaxHighlight_GeSHi/geshi/docs/api/media/images/PrivateMethod.png
	extensions/SyntaxHighlight_GeSHi/geshi/docs/api/media/images/PrivateVariable.png
	extensions/SyntaxHighlight_GeSHi/geshi/docs/api/media/images/StaticMethod.png
	extensions/SyntaxHighlight_GeSHi/geshi/docs/api/media/images/StaticVariable.png
	extensions/SyntaxHighlight_GeSHi/geshi/docs/api/media/images/T.png
	extensions/SyntaxHighlight_GeSHi/geshi/docs/api/media/images/Tminus.png
	extensions/SyntaxHighlight_GeSHi/geshi/docs/api/media/images/Tplus.png
	extensions/SyntaxHighlight_GeSHi/geshi/docs/api/media/images/Variable.png
	extensions/SyntaxHighlight_GeSHi/geshi/docs/api/media/images/blank.png
	extensions/SyntaxHighlight_GeSHi/geshi/docs/api/media/images/class_folder.png
	extensions/SyntaxHighlight_GeSHi/geshi/docs/api/media/images/file.png
	extensions/SyntaxHighlight_GeSHi/geshi/docs/api/media/images/folder.png
	extensions/SyntaxHighlight_GeSHi/geshi/docs/api/media/images/function_folder.png
	extensions/SyntaxHighlight_GeSHi/geshi/docs/api/media/images/next_button.png
	extensions/SyntaxHighlight_GeSHi/geshi/docs/api/media/images/next_button_disabled.png
	extensions/SyntaxHighlight_GeSHi/geshi/docs/api/media/images/package.png
	extensions/SyntaxHighlight_GeSHi/geshi/docs/api/media/images/package_folder.png
	extensions/SyntaxHighlight_GeSHi/geshi/docs/api/media/images/previous_button.png
	extensions/SyntaxHighlight_GeSHi/geshi/docs/api/media/images/previous_button_disabled.png
	extensions/SyntaxHighlight_GeSHi/geshi/docs/api/media/images/private_class_logo.png
	extensions/SyntaxHighlight_GeSHi/geshi/docs/api/media/images/tutorial.png
	extensions/SyntaxHighlight_GeSHi/geshi/docs/api/media/images/tutorial_folder.png
	extensions/SyntaxHighlight_GeSHi/geshi/docs/api/media/images/up_button.png
	extensions/SyntaxHighlight_GeSHi/geshi/docs/geshi-doc.html
	extensions/SyntaxHighlight_GeSHi/geshi/docs/geshi-doc.txt
	extensions/SyntaxHighlight_GeSHi/geshi/geshi.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/4cs.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/6502acme.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/6502kickass.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/6502tasm.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/68000devpac.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/abap.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/actionscript.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/actionscript3.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/ada.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/algol68.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/apache.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/applescript.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/apt_sources.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/asm.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/asp.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/autoconf.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/autohotkey.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/autoit.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/avisynth.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/awk.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/bascomavr.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/bash.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/basic4gl.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/bf.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/bibtex.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/blitzbasic.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/bnf.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/boo.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/c.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/c_loadrunner.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/c_mac.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/caddcl.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/cadlisp.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/cfdg.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/cfm.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/chaiscript.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/cil.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/clojure.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/cmake.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/cobol.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/coffeescript.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/cpp-qt.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/cpp.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/csharp.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/css.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/cuesheet.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/d.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/dcs.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/delphi.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/diff.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/div.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/dos.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/dot.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/e.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/ecmascript.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/eiffel.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/email.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/epc.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/erlang.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/euphoria.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/f1.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/falcon.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/fo.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/fortran.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/freebasic.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/fsharp.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/gambas.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/gdb.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/genero.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/genie.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/gettext.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/glsl.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/gml.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/gnuplot.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/go.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/groovy.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/gwbasic.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/haskell.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/hicest.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/hq9plus.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/html4strict.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/html5.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/icon.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/idl.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/ini.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/inno.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/intercal.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/io.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/j.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/java.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/java5.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/javascript.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/jquery.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/kixtart.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/klonec.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/klonecpp.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/latex.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/lb.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/lisp.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/llvm.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/locobasic.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/logtalk.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/lolcode.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/lotusformulas.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/lotusscript.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/lscript.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/lsl2.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/lua.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/m68k.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/magiksf.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/make.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/mapbasic.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/matlab.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/mirc.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/mmix.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/modula2.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/modula3.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/mpasm.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/mxml.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/mysql.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/newlisp.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/nsis.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/oberon2.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/objc.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/objeck.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/ocaml-brief.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/ocaml.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/oobas.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/oracle11.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/oracle8.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/oxygene.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/oz.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/pascal.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/pcre.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/per.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/perl.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/perl6.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/pf.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/php-brief.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/php.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/pic16.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/pike.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/pixelbender.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/pli.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/plsql.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/postgresql.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/povray.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/powerbuilder.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/powershell.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/proftpd.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/progress.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/prolog.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/properties.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/providex.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/purebasic.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/pycon.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/python.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/q.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/qbasic.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/rails.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/rebol.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/reg.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/robots.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/rpmspec.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/rsplus.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/ruby.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/sas.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/scala.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/scheme.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/scilab.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/sdlbasic.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/smalltalk.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/smarty.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/sql.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/systemverilog.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/tcl.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/teraterm.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/text.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/thinbasic.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/tsql.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/typoscript.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/unicon.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/uscript.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/vala.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/vb.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/vbnet.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/verilog.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/vhdl.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/vim.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/visualfoxpro.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/visualprolog.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/whitespace.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/whois.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/winbatch.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/xbasic.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/xml.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/xorg_conf.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/xpp.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/yaml.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/z80.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/zxbasic.php

1 files changed, 186 insertions, 79 deletions

diff --git a/includes/media/MediaHandler.php b/includes/media/MediaHandler.php
index 965099fd..779e23c9 100644
--- a/includes/media/MediaHandler.php
+++ b/includes/media/MediaHandler.php
@@ -46,7 +46,7 @@ abstract class MediaHandler {
 	static function getHandler( $type ) {
 		global $wgMediaHandlers;
 		if ( !isset( $wgMediaHandlers[$type] ) ) {
-			wfDebug( __METHOD__ . ": no handler found for $type.\n");
+			wfDebug( __METHOD__ . ": no handler found for $type.\n" );
 			return false;
 		}
 		$class = $wgMediaHandlers[$type];
@@ -78,14 +78,16 @@ abstract class MediaHandler {
 	/**
 	 * Merge a parameter array into a string appropriate for inclusion in filenames
 	 *
-	 * @param $params array
+	 * @param $params array Array of parameters that have been through normaliseParams.
+	 * @return String
 	 */
 	abstract function makeParamString( $params );
 
 	/**
 	 * Parse a param string made with makeParamString back into an array
 	 *
-	 * @param $str string
+	 * @param $str string The parameter string without file name (e.g. 122px)
+	 * @return Array|Boolean Array of parameters or false on failure.
 	 */
 	abstract function parseParamString( $str );
 
@@ -103,7 +105,7 @@ abstract class MediaHandler {
 	 * can't be determined.
 	 *
 	 * @param $image File: the image object, or false if there isn't one
-	 * @param $path String: the filename
+	 * @param string $path the filename
 	 * @return Array Follow the format of PHP getimagesize() internal function. See http://www.php.net/getimagesize
 	 */
 	abstract function getImageSize( $image, $path );
@@ -113,42 +115,44 @@ abstract class MediaHandler {
 	 *
 	 * @param $image File: the image object, or false if there isn't one.
 	 *   Warning, FSFile::getPropsFromPath might pass an (object)array() instead (!)
-	 * @param $path String: the filename
+	 * @param string $path the filename
 	 * @return String
 	 */
-	function getMetadata( $image, $path ) { return ''; }
-
-	/**
-	* Get metadata version.
-	*
-	* This is not used for validating metadata, this is used for the api when returning
-	* metadata, since api content formats should stay the same over time, and so things
-	* using ForiegnApiRepo can keep backwards compatibility
-	*
-	* All core media handlers share a common version number, and extensions can
-	* use the GetMetadataVersion hook to append to the array (they should append a unique
-	* string so not to get confusing). If there was a media handler named 'foo' with metadata
-	* version 3 it might add to the end of the array the element 'foo=3'. if the core metadata
-	* version is 2, the end version string would look like '2;foo=3'.
-	*
-	* @return string version string
-	*/
-	static function getMetadataVersion () {
+	function getMetadata( $image, $path ) {
+		return '';
+	}
+
+	/**
+	 * Get metadata version.
+	 *
+	 * This is not used for validating metadata, this is used for the api when returning
+	 * metadata, since api content formats should stay the same over time, and so things
+	 * using ForiegnApiRepo can keep backwards compatibility
+	 *
+	 * All core media handlers share a common version number, and extensions can
+	 * use the GetMetadataVersion hook to append to the array (they should append a unique
+	 * string so not to get confusing). If there was a media handler named 'foo' with metadata
+	 * version 3 it might add to the end of the array the element 'foo=3'. if the core metadata
+	 * version is 2, the end version string would look like '2;foo=3'.
+	 *
+	 * @return string version string
+	 */
+	static function getMetadataVersion() {
 		$version = Array( '2' ); // core metadata version
-		wfRunHooks('GetMetadataVersion', Array(&$version));
-		return implode( ';', $version);
-	 }
-
-	/**
-	* Convert metadata version.
-	*
-	* By default just returns $metadata, but can be used to allow
-	* media handlers to convert between metadata versions.
-	*
-	* @param $metadata Mixed String or Array metadata array (serialized if string)
-	* @param $version Integer target version
-	* @return Array serialized metadata in specified version, or $metadata on fail.
-	*/
+		wfRunHooks( 'GetMetadataVersion', Array( &$version ) );
+		return implode( ';', $version );
+	}
+
+	/**
+	 * Convert metadata version.
+	 *
+	 * By default just returns $metadata, but can be used to allow
+	 * media handlers to convert between metadata versions.
+	 *
+	 * @param $metadata Mixed String or Array metadata array (serialized if string)
+	 * @param $version Integer target version
+	 * @return Array serialized metadata in specified version, or $metadata on fail.
+	 */
 	function convertMetadataVersion( $metadata, $version = 1 ) {
 		if ( !is_array( $metadata ) ) {
 
@@ -166,7 +170,9 @@ abstract class MediaHandler {
 	 *
 	 * @return string
 	 */
-	function getMetadataType( $image ) { return false; }
+	function getMetadataType( $image ) {
+		return false;
+	}
 
 	/**
 	 * Check if the metadata string is valid for this handler.
@@ -181,7 +187,6 @@ abstract class MediaHandler {
 		return self::METADATA_GOOD;
 	}
 
-
 	/**
 	 * Get a MediaTransformOutput object representing an alternate of the transformed
 	 * output which will call an intermediary thumbnail assist script.
@@ -200,9 +205,9 @@ abstract class MediaHandler {
 	 * actually do the transform.
 	 *
 	 * @param $image File: the image object
-	 * @param $dstPath String: filesystem destination path
-	 * @param $dstUrl String: Destination URL to use in output HTML
-	 * @param $params Array: Arbitrary set of parameters validated by $this->validateParam()
+	 * @param string $dstPath filesystem destination path
+	 * @param string $dstUrl Destination URL to use in output HTML
+	 * @param array $params Arbitrary set of parameters validated by $this->validateParam()
 	 * @return MediaTransformOutput
 	 */
 	final function getTransform( $image, $dstPath, $dstUrl, $params ) {
@@ -214,9 +219,10 @@ abstract class MediaHandler {
 	 * transform unless $flags contains self::TRANSFORM_LATER.
 	 *
 	 * @param $image File: the image object
-	 * @param $dstPath String: filesystem destination path
-	 * @param $dstUrl String: destination URL to use in output HTML
-	 * @param $params Array: arbitrary set of parameters validated by $this->validateParam()
+	 * @param string $dstPath filesystem destination path
+	 * @param string $dstUrl destination URL to use in output HTML
+	 * @param array $params arbitrary set of parameters validated by $this->validateParam()
+	 *   Note: These parameters have *not* gone through $this->normaliseParams()
 	 * @param $flags Integer: a bitfield, may contain self::TRANSFORM_LATER
 	 *
 	 * @return MediaTransformOutput
@@ -225,6 +231,10 @@ abstract class MediaHandler {
 
 	/**
 	 * Get the thumbnail extension and MIME type for a given source MIME type
+	 *
+	 * @param String $ext Extension of original file
+	 * @param String $mime Mime type of original file
+	 * @param Array $params Handler specific rendering parameters
 	 * @return array thumbnail extension and MIME type
 	 */
 	function getThumbType( $ext, $mime, $params = null ) {
@@ -244,66 +254,108 @@ abstract class MediaHandler {
 	}
 
 	/**
+	 * Get useful response headers for GET/HEAD requests for a file with the given metadata
+	 * @param $metadata mixed Result of the getMetadata() function of this handler for a file
+	 * @return Array
+	 */
+	public function getStreamHeaders( $metadata ) {
+		return array();
+	}
+
+	/**
 	 * True if the handled types can be transformed
 	 * @return bool
 	 */
-	function canRender( $file ) { return true; }
+	function canRender( $file ) {
+		return true;
+	}
+
 	/**
 	 * True if handled types cannot be displayed directly in a browser
 	 * but can be rendered
 	 * @return bool
 	 */
-	function mustRender( $file ) { return false; }
+	function mustRender( $file ) {
+		return false;
+	}
+
 	/**
 	 * True if the type has multi-page capabilities
 	 * @return bool
 	 */
-	function isMultiPage( $file ) { return false; }
+	function isMultiPage( $file ) {
+		return false;
+	}
+
 	/**
 	 * Page count for a multi-page document, false if unsupported or unknown
 	 * @return bool
 	 */
-	function pageCount( $file ) { return false; }
+	function pageCount( $file ) {
+		return false;
+	}
+
 	/**
 	 * The material is vectorized and thus scaling is lossless
 	 * @return bool
 	 */
-	function isVectorized( $file ) { return false; }
+	function isVectorized( $file ) {
+		return false;
+	}
+
 	/**
 	 * The material is an image, and is animated.
 	 * In particular, video material need not return true.
 	 * @note Before 1.20, this was a method of ImageHandler only
 	 * @return bool
 	 */
-	function isAnimatedImage( $file ) { return false; }
+	function isAnimatedImage( $file ) {
+		return false;
+	}
+
 	/**
 	 * If the material is animated, we can animate the thumbnail
 	 * @since 1.20
 	 * @return bool If material is not animated, handler may return any value.
 	 */
-	function canAnimateThumbnail( $file ) { return true; }
+	function canAnimateThumbnail( $file ) {
+		return true;
+	}
+
 	/**
 	 * False if the handler is disabled for all files
 	 * @return bool
 	 */
-	function isEnabled() { return true; }
+	function isEnabled() {
+		return true;
+	}
 
 	/**
 	 * Get an associative array of page dimensions
 	 * Currently "width" and "height" are understood, but this might be
 	 * expanded in the future.
-	 * Returns false if unknown or if the document is not multi-page.
+	 * Returns false if unknown.
+	 *
+	 * It is expected that handlers for paged media (e.g. DjVuHandler)
+	 * will override this method so that it gives the correct results
+	 * for each specific page of the file, using the $page argument.
+	 *
+	 * @note For non-paged media, use getImageSize.
 	 *
 	 * @param $image File
-	 * @param $page Unused, left for backcompatibility?
-	 * @return array
+	 * @param $page What page to get dimensions of
+	 * @return array|bool
 	 */
 	function getPageDimensions( $image, $page ) {
 		$gis = $this->getImageSize( $image, $image->getLocalRefPath() );
-		return array(
-			'width' => $gis[0],
-			'height' => $gis[1]
-		);
+		if ( $gis ) {
+			return array(
+				'width' => $gis[0],
+				'height' => $gis[1]
+			);
+		} else {
+			return false;
+		}
 	}
 
 	/**
@@ -352,11 +404,11 @@ abstract class MediaHandler {
 	 *
 	 * This is used by the media handlers that use the FormatMetadata class
 	 *
-	 * @param $metadataArray Array metadata array
+	 * @param array $metadataArray metadata array
 	 * @return array for use displaying metadata.
 	 */
 	function formatMetadataHelper( $metadataArray ) {
-		 $result = array(
+		$result = array(
 			'visible' => array(),
 			'collapsed' => array()
 		);
@@ -386,9 +438,9 @@ abstract class MediaHandler {
 	function visibleMetadataFields() {
 		$fields = array();
 		$lines = explode( "\n", wfMessage( 'metadata-fields' )->inContentLanguage()->text() );
-		foreach( $lines as $line ) {
+		foreach ( $lines as $line ) {
 			$matches = array();
-			if( preg_match( '/^\\*\s*(.*?)\s*$/', $line, $matches ) ) {
+			if ( preg_match( '/^\\*\s*(.*?)\s*$/', $line, $matches ) ) {
 				$fields[] = $matches[1];
 			}
 		}
@@ -396,7 +448,6 @@ abstract class MediaHandler {
 		return $fields;
 	}
 
-
 	/**
 	 * This is used to generate an array element for each metadata value
 	 * That array is then used to generate the table of metadata values
@@ -405,17 +456,17 @@ abstract class MediaHandler {
 	 * @param &$array Array An array containing elements for each type of visibility
 	 * and each of those elements being an array of metadata items. This function adds
 	 * a value to that array.
-	 * @param $visibility string ('visible' or 'collapsed') if this value is hidden
+	 * @param string $visibility ('visible' or 'collapsed') if this value is hidden
 	 * by default.
-	 * @param $type String type of metadata tag (currently always 'exif')
-	 * @param $id String the name of the metadata tag (like 'artist' for example).
+	 * @param string $type type of metadata tag (currently always 'exif')
+	 * @param string $id the name of the metadata tag (like 'artist' for example).
 	 * its name in the table displayed is the message "$type-$id" (Ex exif-artist ).
-	 * @param $value String thingy goes into a wikitext table; it used to be escaped but
+	 * @param string $value thingy goes into a wikitext table; it used to be escaped but
 	 * that was incompatible with previous practise of customized display
 	 * with wikitext formatting via messages such as 'exif-model-value'.
 	 * So the escaping is taken back out, but generally this seems a confusing
 	 * interface.
-	 * @param $param String value to pass to the message for the name of the field
+	 * @param string $param value to pass to the message for the name of the field
 	 * as $1. Currently this parameter doesn't seem to ever be used.
 	 *
 	 * Note, everything here is passed through the parser later on (!)
@@ -441,6 +492,8 @@ abstract class MediaHandler {
 	}
 
 	/**
+	 * Used instead of getLongDesc if there is no handler registered for file.
+	 *
 	 * @param $file File
 	 * @return string
 	 */
@@ -450,6 +503,8 @@ abstract class MediaHandler {
 	}
 
 	/**
+	 * Short description. Shown on Special:Search results.
+	 *
 	 * @param $file File
 	 * @return string
 	 */
@@ -460,6 +515,8 @@ abstract class MediaHandler {
 	}
 
 	/**
+	 * Long description. Shown under image on image description page surounded by ().
+	 *
 	 * @param $file File
 	 * @return string
 	 */
@@ -469,6 +526,8 @@ abstract class MediaHandler {
 	}
 
 	/**
+	 * Used instead of getShortDesc if there is no handler registered for file.
+	 *
 	 * @param $file File
 	 * @return string
 	 */
@@ -489,19 +548,32 @@ abstract class MediaHandler {
 	public static function fitBoxWidth( $boxWidth, $boxHeight, $maxHeight ) {
 		$idealWidth = $boxWidth * $maxHeight / $boxHeight;
 		$roundedUp = ceil( $idealWidth );
-		if( round( $roundedUp * $boxHeight / $boxWidth ) > $maxHeight ) {
+		if ( round( $roundedUp * $boxHeight / $boxWidth ) > $maxHeight ) {
 			return floor( $idealWidth );
 		} else {
 			return $roundedUp;
 		}
 	}
 
+	/**
+	 * Shown in file history box on image description page.
+	 *
+	 * @param File $file
+	 * @return String Dimensions
+	 */
 	function getDimensionsString( $file ) {
 		return '';
 	}
 
 	/**
-	 * Modify the parser object post-transform
+	 * Modify the parser object post-transform.
+	 *
+	 * This is often used to do $parser->addOutputHook(),
+	 * in order to add some javascript to render a viewer.
+	 * See TimedMediaHandler or OggHandler for an example.
+	 *
+	 * @param Parser $parser
+	 * @param File $file
 	 */
 	function parserTransformHook( $parser, $file ) {}
 
@@ -512,7 +584,7 @@ abstract class MediaHandler {
 	 * match the handler class, a Status object should be returned containing
 	 * relevant errors.
 	 *
-	 * @param $fileName string The local path to the file.
+	 * @param string $fileName The local path to the file.
 	 * @return Status object
 	 */
 	function verifyUpload( $fileName ) {
@@ -523,14 +595,14 @@ abstract class MediaHandler {
 	 * Check for zero-sized thumbnails. These can be generated when
 	 * no disk space is available or some other error occurs
 	 *
-	 * @param $dstPath string The location of the suspect file
-	 * @param $retval int Return value of some shell process, file will be deleted if this is non-zero
+	 * @param string $dstPath The location of the suspect file
+	 * @param int $retval Return value of some shell process, file will be deleted if this is non-zero
 	 * @return bool True if removed, false otherwise
 	 */
 	function removeBadFile( $dstPath, $retval = 0 ) {
-		if( file_exists( $dstPath ) ) {
+		if ( file_exists( $dstPath ) ) {
 			$thumbstat = stat( $dstPath );
-			if( $thumbstat['size'] == 0 || $retval != 0 ) {
+			if ( $thumbstat['size'] == 0 || $retval != 0 ) {
 				$result = unlink( $dstPath );
 
 				if ( $result ) {
@@ -549,12 +621,47 @@ abstract class MediaHandler {
 	}
 
 	/**
-	 * Remove files from the purge list
+	 * Remove files from the purge list.
+	 *
+	 * This is used by some video handlers to prevent ?action=purge
+	 * from removing a transcoded video, which is expensive to
+	 * regenerate.
+	 *
+	 * @see LocalFile::purgeThumbnails
 	 *
 	 * @param array $files
-	 * @param array $options
+	 * @param array $options Purge options. Currently will always be
+	 *  an array with a single key 'forThumbRefresh' set to true.
 	 */
 	public function filterThumbnailPurgeList( &$files, $options ) {
 		// Do nothing
 	}
+
+	/*
+	 * True if the handler can rotate the media
+	 * @since 1.21
+	 * @return bool
+	 */
+	public static function canRotate() {
+		return false;
+	}
+
+	/**
+	 * On supporting image formats, try to read out the low-level orientation
+	 * of the file and return the angle that the file needs to be rotated to
+	 * be viewed.
+	 *
+	 * This information is only useful when manipulating the original file;
+	 * the width and height we normally work with is logical, and will match
+	 * any produced output views.
+	 *
+	 * For files we don't know, we return 0.
+	 *
+	 * @param $file File
+	 * @return int 0, 90, 180 or 270
+	 */
+	public function getRotation( $file ) {
+		return 0;
+	}
+
 }