Fix Bug #32047: in table with class="sortable", thead is before
[lhc/web/wiklou.git] / includes / EditPage.php
index 0aeb6a5..d894e3b 100644 (file)
  * interfaces.
  *
  * EditPage cares about two distinct titles:
- * $wgTitle is the page that forms submit to, links point to,
+ * $this->mContextTitle is the page that forms submit to, links point to,
  * redirects go to, etc. $this->mTitle (as well as $mArticle) is the
  * page in the database that is actually being edited. These are
  * usually the same, but they are now allowed to be different.
+ *
+ * Surgeon General's Warning: prolonged exposure to this class is known to cause
+ * headaches, which may be fatal.
  */
 class EditPage {
        const AS_SUCCESS_UPDATE            = 200;
@@ -42,13 +45,23 @@ class EditPage {
        const AS_IMAGE_REDIRECT_ANON       = 233;
        const AS_IMAGE_REDIRECT_LOGGED     = 234;
 
+       /**
+        * @var Article
+        */
        var $mArticle;
+
+       /**
+        * @var Title
+        */
        var $mTitle;
-       var $action;
+       private $mContextTitle = null;
+       var $action = 'submit';
        var $isConflict = false;
        var $isCssJsSubpage = false;
        var $isCssSubpage = false;
        var $isJsSubpage = false;
+       var $isWrongCaseCssJsPage = false;
+       var $isNew = false; // new page or new section
        var $deletedSinceEdit;
        var $formtype;
        var $firsttime;
@@ -56,6 +69,7 @@ class EditPage {
        var $mTokenOk = false;
        var $mTokenOkExceptSuffix = false;
        var $mTriedSave = false;
+       var $incompleteForm = false;
        var $tooBig = false;
        var $kblength = false;
        var $missingComment = false;
@@ -64,7 +78,12 @@ class EditPage {
        var $autoSumm = '';
        var $hookError = '';
        #var $mPreviewTemplates;
+
+       /**
+        * @var ParserOutput
+        */
        var $mParserOutput;
+
        var $mBaseRevision = false;
        var $mShowSummaryField = true;
 
@@ -77,14 +96,15 @@ class EditPage {
 
        # Placeholders for text injection by hooks (must be HTML)
        # extensions should take care to _append_ to the present value
-       public $editFormPageTop; // Before even the preview
-       public $editFormTextTop;
-       public $editFormTextBeforeContent;
-       public $editFormTextAfterWarn;
-       public $editFormTextAfterTools;
-       public $editFormTextBottom;
-       public $editFormTextAfterContent;
-       public $previewTextAfterContent;
+       public $editFormPageTop = ''; // Before even the preview
+       public $editFormTextTop = '';
+       public $editFormTextBeforeContent = '';
+       public $editFormTextAfterWarn = '';
+       public $editFormTextAfterTools = '';
+       public $editFormTextBottom = '';
+       public $editFormTextAfterContent = '';
+       public $previewTextAfterContent = '';
+       public $mPreloadText = '';
 
        /* $didSave should be set to true whenever an article was succesfully altered. */
        public $didSave = false;
@@ -94,33 +114,58 @@ class EditPage {
 
        /**
         * @todo document
-        * @param $article
+        * @param $article Article
         */
-       function __construct( $article ) {
-               $this->mArticle =& $article;
+       public function __construct( $article ) {
+               $this->mArticle = $article;
                $this->mTitle = $article->getTitle();
-               $this->action = 'submit';
-
-               # Placeholders for text injection by hooks (empty per default)
-               $this->editFormPageTop =
-               $this->editFormTextTop =
-               $this->editFormTextBeforeContent =
-               $this->editFormTextAfterWarn =
-               $this->editFormTextAfterTools =
-               $this->editFormTextBottom =
-               $this->editFormTextAfterContent =
-               $this->previewTextAfterContent =
-               $this->mPreloadText = "";
        }
 
-       function getArticle() {
+       /**
+        * @return Article
+        */
+       public function getArticle() {
                return $this->mArticle;
        }
 
+       /**
+        * @since 1.19
+        * @return Title
+        */
+       public function getTitle() {
+               return $this->mTitle;
+       }
+
+       /**
+        * Set the context Title object
+        *
+        * @param $title Title object or null
+        */
+       public function setContextTitle( $title ) {
+               $this->mContextTitle = $title;
+       }
+
+       /**
+        * Get the context title object.
+        * If not set, $wgTitle will be returned. This behavior might changed in
+        * the future to return $this->mTitle instead.
+        *
+        * @return Title object
+        */
+       public function getContextTitle() {
+               if ( is_null( $this->mContextTitle ) ) {
+                       global $wgTitle;
+                       return $wgTitle;
+               } else {
+                       return $this->mContextTitle;
+               }
+       }
 
        /**
         * Fetch initial editing page content.
-        * @returns mixed string on success, $def_text for invalid sections
+        *
+        * @param $def_text string
+        * @return mixed string on success, $def_text for invalid sections
         * @private
         */
        function getContent( $def_text = '' ) {
@@ -179,15 +224,22 @@ class EditPage {
                                        $undotext = $this->mArticle->getUndoText( $undorev, $oldrev );
                                        if ( $undotext === false ) {
                                                # Warn the user that something went wrong
-                                               $this->editFormPageTop .= $wgOut->parse( '<div class="error mw-undo-failure">' . wfMsgNoTrans( 'undo-failure' ) . '</div>' );
+                                               $this->editFormPageTop .= $wgOut->parse( '<div class="error mw-undo-failure">' .
+                                                       wfMsgNoTrans( 'undo-failure' ) . '</div>', true, /* interface */true );
                                        } else {
                                                $text = $undotext;
                                                # Inform the user of our success and set an automatic edit summary
-                                               $this->editFormPageTop .= $wgOut->parse( '<div class="mw-undo-success">' . wfMsgNoTrans( 'undo-success' ) . '</div>' );
+                                               $this->editFormPageTop .= $wgOut->parse( '<div class="mw-undo-success">' .
+                                                       wfMsgNoTrans( 'undo-success' ) . '</div>', true, /* interface */true );
                                                $firstrev = $oldrev->getNext();
                                                # If we just undid one rev, use an autosummary
-                                               if ( $firstrev->mId == $undo ) {
-                                                       $this->summary = wfMsgForContent( 'undo-summary', $undo, $undorev->getUserText() );
+                                               if ( $firstrev->getId() == $undo ) {
+                                                       $undoSummary = wfMsgForContent( 'undo-summary', $undo, $undorev->getUserText() );
+                                                       if ( $this->summary === '' ) {
+                                                               $this->summary = $undoSummary;
+                                                       } else {
+                                                               $this->summary = $undoSummary . wfMsgForContent( 'colon-separator' ) . $this->summary;
+                                                       }
                                                        $this->undidRev = $undo;
                                                }
                                                $this->formtype = 'diff';
@@ -196,9 +248,10 @@ class EditPage {
                                        // Failed basic sanity checks.
                                        // Older revisions may have been removed since the link
                                        // was created, or we may simply have got bogus input.
-                                       $this->editFormPageTop .= $wgOut->parse( '<div class="error mw-undo-norev">' . wfMsgNoTrans( 'undo-norev' ) . '</div>' );
+                                       $this->editFormPageTop .= $wgOut->parse( '<div class="error mw-undo-norev">' .
+                                               wfMsgNoTrans( 'undo-norev' ) . '</div>', true, /* interface */true );
                                }
-                       } else if ( $section != '' ) {
+                       } elseif ( $section != '' ) {
                                if ( $section == 'new' ) {
                                        $text = $this->getPreloadedText( $preload );
                                } else {
@@ -212,7 +265,11 @@ class EditPage {
                return $text;
        }
 
-       /** Use this method before edit() to preload some text into the edit box */
+       /**
+        * Use this method before edit() to preload some text into the edit box
+        *
+        * @param $text string
+        */
        public function setPreloadedText( $text ) {
                $this->mPreloadText = $text;
        }
@@ -253,7 +310,7 @@ class EditPage {
                return '';
        }
 
-       /*
+       /**
         * Check if a page was deleted while the user was editing it, before submit.
         * Note that we rely on the logging table, which hasn't been always there,
         * but that doesn't matter, because this only applies to brand new
@@ -282,6 +339,8 @@ class EditPage {
        /**
         * Checks whether the user entered a skin name in uppercase,
         * e.g. "User:Example/Monobook.css" instead of "monobook.css"
+        *
+        * @return bool
         */
        protected function isWrongCaseCssJsPage() {
                if( $this->mTitle->isCssJsSubpage() ) {
@@ -322,8 +381,12 @@ class EditPage {
                wfProfileIn( __METHOD__ );
                wfDebug( __METHOD__.": enter\n" );
 
-               // This is not an article
-               $wgOut->setArticleFlag( false );
+               // If they used redlink=1 and the page exists, redirect to the main article
+               if ( $wgRequest->getBool( 'redlink' ) && $this->mTitle->exists() ) {
+                       $wgOut->redirect( $this->mTitle->getFullURL() );
+                       wfProfileOut( __METHOD__ );
+                       return;
+               }
 
                $this->importFormData( $wgRequest );
                $this->firsttime = false;
@@ -340,50 +403,50 @@ class EditPage {
                        $this->preview = true;
                }
 
-               $wgOut->addModules( array( 'mediawiki.legacy.edit', 'mediawiki.action.edit' ) );
-
-               if ( $wgUser->getOption( 'uselivepreview', false ) ) {
-                       $wgOut->addModules( 'mediawiki.legacy.preview' );
+               if ( $this->save ) {
+                       $this->formtype = 'save';
+               } elseif ( $this->preview ) {
+                       $this->formtype = 'preview';
+               } elseif ( $this->diff ) {
+                       $this->formtype = 'diff';
+               } else { # First time through
+                       $this->firsttime = true;
+                       if ( $this->previewOnOpen() ) {
+                               $this->formtype = 'preview';
+                       } else {
+                               $this->formtype = 'initial';
+                       }
                }
 
                $permErrors = $this->getEditPermissionErrors();
                if ( $permErrors ) {
                        wfDebug( __METHOD__ . ": User can't edit\n" );
-                       $content = $this->getContent( null );
-                       $content = $content === '' ? null : $content;
-                       $this->readOnlyPage( $content, true, $permErrors, 'edit' );
+                       // Auto-block user's IP if the account was "hard" blocked
+                       $wgUser->spreadAnyEditBlock();
+
+                       $this->displayPermissionsError( $permErrors );
+
                        wfProfileOut( __METHOD__ );
                        return;
-               } else {
-                       if ( $this->save ) {
-                               $this->formtype = 'save';
-                       } else if ( $this->preview ) {
-                               $this->formtype = 'preview';
-                       } else if ( $this->diff ) {
-                               $this->formtype = 'diff';
-                       } else { # First time through
-                               $this->firsttime = true;
-                               if ( $this->previewOnOpen() ) {
-                                       $this->formtype = 'preview';
-                               } else {
-                                       $this->formtype = 'initial';
-                               }
-                       }
                }
 
-               // If they used redlink=1 and the page exists, redirect to the main article
-               if ( $wgRequest->getBool( 'redlink' ) && $this->mTitle->exists() ) {
-                       $wgOut->redirect( $this->mTitle->getFullURL() );
+               $wgOut->addModules( array( 'mediawiki.action.edit' ) );
+
+               if ( $wgUser->getOption( 'uselivepreview', false ) ) {
+                       $wgOut->addModules( 'mediawiki.legacy.preview' );
                }
+               // Bug #19334: textarea jumps when editing articles in IE8
+               $wgOut->addStyle( 'common/IE80Fixes.css', 'screen', 'IE 8' );
 
                wfProfileIn( __METHOD__."-business-end" );
 
                $this->isConflict = false;
                // css / js subpages of user pages get a special treatment
-               $this->isCssJsSubpage      = $this->mTitle->isCssJsSubpage();
-               $this->isCssSubpage        = $this->mTitle->isCssSubpage();
-               $this->isJsSubpage         = $this->mTitle->isJsSubpage();
+               $this->isCssJsSubpage       = $this->mTitle->isCssJsSubpage();
+               $this->isCssSubpage         = $this->mTitle->isCssSubpage();
+               $this->isJsSubpage          = $this->mTitle->isJsSubpage();
                $this->isWrongCaseCssJsPage = $this->isWrongCaseCssJsPage();
+               $this->isNew                = !$this->mTitle->exists() || $this->section == 'new';
 
                # Show applicable editing introductions
                if ( $this->formtype == 'initial' || $this->firsttime )
@@ -409,6 +472,13 @@ class EditPage {
                                        $wgOut->addWikiText( $editnotice_base_msg->plain()  );
                                }
                        }
+               } else {
+                       # Even if there are no subpages in namespace, we still don't want / in MW ns.
+                       $editnoticeText = $editnotice_ns . '-' . str_replace( '/', '-', $this->mTitle->getDBkey() );
+                       $editnoticeMsg = wfMessage( $editnoticeText )->inContentLanguage();
+                       if ( $editnoticeMsg->exists() ) {
+                               $wgOut->addWikiText( $editnoticeMsg->plain() );
+                       }
                }
 
                # Attempt submission here.  This will check for edit conflicts,
@@ -444,6 +514,9 @@ class EditPage {
                wfProfileOut( __METHOD__ );
        }
 
+       /**
+        * @return array
+        */
        protected function getEditPermissionErrors() {
                global $wgUser;
                $permErrors = $this->mTitle->getUserPermissionsErrors( 'edit', $wgUser );
@@ -465,10 +538,69 @@ class EditPage {
                return $permErrors;
        }
 
+       /**
+        * Display a permissions error page, like OutputPage::showPermissionsErrorPage(),
+        * but with the following differences:
+        * - If redlink=1, the user will be redirect to the page
+        * - If there is content to display or the error occurs while either saving,
+        *   previewing or showing the difference, it will be a
+        *   "View source for ..." page displaying the source code after the error message.
+        *
+        * @since 1.19
+        * @param $permErrors Array of permissions errors, as returned by
+        *                    Title::getUserPermissionsErrors().
+        */
+       protected function displayPermissionsError( array $permErrors ) {
+               global $wgRequest, $wgOut;
+
+               if ( $wgRequest->getBool( 'redlink' ) ) {
+                       // The edit page was reached via a red link.
+                       // Redirect to the article page and let them click the edit tab if
+                       // they really want a permission error.
+                       $wgOut->redirect( $this->mTitle->getFullUrl() );
+                       return;
+               }
+
+               $content = $this->getContent();
+
+               # Use the normal message if there's nothing to display
+               if ( $this->firsttime && $content === '' ) {
+                       $action = $this->mTitle->exists() ? 'edit' :
+                               ( $permission = $this->mTitle->isTalkPage() ? 'createtalk' : 'createpage' );
+                       throw new PermissionsError( $action, $permErrors );
+               }
+
+               $wgOut->setPageTitle( wfMessage( 'viewsource' ) );
+               $wgOut->setSubtitle(
+                       wfMessage( 'viewsourcefor', Linker::linkKnown( $this->mTitle ) )->text()
+               );
+               $wgOut->addWikiText( $wgOut->formatPermissionsErrorMessage( $permErrors, 'edit' ) );
+               $wgOut->addHTML( "<hr />\n" );
+
+               # If the user made changes, preserve them when showing the markup
+               # (This happens when a user is blocked during edit, for instance)
+               if ( !$this->firsttime ) {
+                       $content = $this->textbox1;
+                       $wgOut->addWikiMsg( 'viewyourtext' );
+               } else {
+                       $wgOut->addWikiMsg( 'viewsourcetext' );
+               }
+
+               $this->showTextbox( $content, 'wpTextbox1', array( 'readonly' ) );
+
+               $wgOut->addHTML( Html::rawElement( 'div', array( 'class' => 'templatesUsed' ),
+                       Linker::formatTemplates( $this->getTemplates() ) ) );
+
+               if ( $this->mTitle->exists() ) {
+                       $wgOut->returnToMain( null, $this->mTitle );
+               }
+       }
+
        /**
         * Show a read-only error
         * Parameters are the same as OutputPage:readOnlyPage()
         * Redirect to the article page if redlink=1
+        * @deprecated in 1.19; use displayPermissionsError() instead
         */
        function readOnlyPage( $source = null, $protected = false, $reasons = array(), $action = null ) {
                global $wgRequest, $wgOut;
@@ -537,7 +669,7 @@ class EditPage {
 
        /**
         * @todo document
-        * @param $request
+        * @param $request WebRequest
         */
        function importFormData( &$request ) {
                global $wgLang, $wgUser;
@@ -574,7 +706,17 @@ class EditPage {
 
                        $this->scrolltop = $request->getIntOrNull( 'wpScrolltop' );
 
-                       if ( is_null( $this->edittime ) ) {
+                       if ($this->textbox1 === '' && $request->getVal( 'wpTextbox1' ) === null) {
+                               // wpTextbox1 field is missing, possibly due to being "too big"
+                               // according to some filter rules such as Suhosin's setting for
+                               // suhosin.request.max_value_length (d'oh)
+                               $this->incompleteForm = true;
+                       } else {
+                               // edittime should be one of our last fields; if it's missing,
+                               // the submission probably broke somewhere in the middle.
+                               $this->incompleteForm = is_null( $this->edittime );
+                       }
+                       if ( $this->incompleteForm ) {
                                # If the form is incomplete, force to preview.
                                wfDebug( __METHOD__ . ": Form data appears to be incomplete\n" );
                                wfDebug( "POST DATA: " . var_export( $_POST, true ) . "\n" );
@@ -594,7 +736,7 @@ class EditPage {
                                        # The unmarked state will be assumed to be a save,
                                        # if the form seems otherwise complete.
                                        wfDebug( __METHOD__ . ": Passed token check.\n" );
-                               } else if ( $this->diff ) {
+                               } elseif ( $this->diff ) {
                                        # Failed token check, but only requested "Show Changes".
                                        wfDebug( __METHOD__ . ": Failed token check; Show Changes requested.\n" );
                                } else {
@@ -658,7 +800,7 @@ class EditPage {
                $this->bot = $request->getBool( 'bot', true );
                $this->nosummary = $request->getBool( 'nosummary' );
 
-               // FIXME: unused variable?
+               // @todo FIXME: Unused variable?
                $this->oldid = $request->getInt( 'oldid' );
 
                $this->live = $request->getCheck( 'live' );
@@ -666,10 +808,10 @@ class EditPage {
                        // Custom edit intro for new sections
                        $this->section === 'new' ? 'MediaWiki:addsection-editintro' : '' );
 
-               wfProfileOut( __METHOD__ );
-
                // Allow extensions to modify form data
                wfRunHooks( 'EditPage::importFormData', array( $this, $request ) );
+
+               wfProfileOut( __METHOD__ );
        }
 
        /**
@@ -724,12 +866,12 @@ class EditPage {
                        $ip = User::isIP( $username );
                        if ( !$user->isLoggedIn() && !$ip ) { # User does not exist
                                $wgOut->wrapWikiMsg( "<div class=\"mw-userpage-userdoesnotexist error\">\n$1\n</div>",
-                                       array( 'userpage-userdoesnotexist', $username ) );
-                       } else if ( $user->isBlocked() ) { # Show log extract if the user is currently blocked
+                                       array( 'userpage-userdoesnotexist', wfEscapeWikiText( $username ) ) );
+                       } elseif ( $user->isBlocked() ) { # Show log extract if the user is currently blocked
                                LogEventsList::showLogExtract(
                                        $wgOut,
                                        'block',
-                                       $user->getUserPage()->getPrefixedText(),
+                                       $user->getUserPage(),
                                        '',
                                        array(
                                                'lim' => 1,
@@ -752,7 +894,7 @@ class EditPage {
                }
                # Give a notice if the user is editing a deleted/moved page...
                if ( !$this->mTitle->exists() ) {
-                       LogEventsList::showLogExtract( $wgOut, array( 'delete', 'move' ), $this->mTitle->getPrefixedText(),
+                       LogEventsList::showLogExtract( $wgOut, array( 'delete', 'move' ), $this->mTitle,
                                '', array( 'lim' => 10,
                                           'conds' => array( "log_action != 'revision'" ),
                                           'showIfEmpty' => false,
@@ -784,32 +926,45 @@ class EditPage {
 
        /**
         * Attempt submission (no UI)
-        * @return one of the constants describing the result
+        *
+        * @param $result
+        * @param $bot bool
+        *
+        * @return Status object, possibly with a message, but always with one of the AS_* constants in $status->value,
+        *
+        * FIXME: This interface is TERRIBLE, but hard to get rid of due to various error display idiosyncrasies. There are
+        * also lots of cases where error metadata is set in the object and retrieved later instead of being returned, e.g.
+        * AS_CONTENT_TOO_BIG and AS_BLOCKED_PAGE_FOR_USER. All that stuff needs to be cleaned up some time.
         */
        function internalAttemptSave( &$result, $bot = false ) {
-               global $wgFilterCallback, $wgUser, $wgParser;
+               global $wgFilterCallback, $wgUser, $wgRequest, $wgParser;
                global $wgMaxArticleSize;
 
+               $status = Status::newGood();
+
                wfProfileIn( __METHOD__  );
                wfProfileIn( __METHOD__ . '-checks' );
 
                if ( !wfRunHooks( 'EditPage::attemptSave', array( $this ) ) ) {
                        wfDebug( "Hook 'EditPage::attemptSave' aborted article saving\n" );
+                       $status->fatal( 'hookaborted' );
+                       $status->value = self::AS_HOOK_ERROR;
                        wfProfileOut( __METHOD__ . '-checks' );
                        wfProfileOut( __METHOD__  );
-                       return self::AS_HOOK_ERROR;
+                       return $status;
                }
 
                # Check image redirect
                if ( $this->mTitle->getNamespace() == NS_FILE &&
                        Title::newFromRedirect( $this->textbox1 ) instanceof Title &&
                        !$wgUser->isAllowed( 'upload' ) ) {
-                               $isAnon = $wgUser->isAnon();
+                               $code = $wgUser->isAnon() ? self::AS_IMAGE_REDIRECT_ANON : self::AS_IMAGE_REDIRECT_LOGGED;
+                               $status->setResult( false, $code );
 
                                wfProfileOut( __METHOD__ . '-checks' );
                                wfProfileOut( __METHOD__  );
 
-                               return $isAnon ? self::AS_IMAGE_REDIRECT_ANON : self::AS_IMAGE_REDIRECT_LOGGED;
+                               return $status;
                }
 
                # Check for spam
@@ -819,75 +974,96 @@ class EditPage {
                }
                if ( $match !== false ) {
                        $result['spam'] = $match;
-                       $ip = wfGetIP();
+                       $ip = $wgRequest->getIP();
                        $pdbk = $this->mTitle->getPrefixedDBkey();
                        $match = str_replace( "\n", '', $match );
                        wfDebugLog( 'SpamRegex', "$ip spam regex hit [[$pdbk]]: \"$match\"" );
+                       $status->fatal( 'spamprotectionmatch', $match );
+                       $status->value = self::AS_SPAM_ERROR;
                        wfProfileOut( __METHOD__ . '-checks' );
                        wfProfileOut( __METHOD__ );
-                       return self::AS_SPAM_ERROR;
+                       return $status;
                }
-               if ( $wgFilterCallback && $wgFilterCallback( $this->mTitle, $this->textbox1, $this->section, $this->hookError, $this->summary ) ) {
+               if ( $wgFilterCallback && is_callable( $wgFilterCallback ) && $wgFilterCallback( $this->mTitle, $this->textbox1, $this->section, $this->hookError, $this->summary ) ) {
                        # Error messages or other handling should be performed by the filter function
+                       $status->setResult( false, self::AS_FILTERING );
                        wfProfileOut( __METHOD__ . '-checks' );
                        wfProfileOut( __METHOD__ );
-                       return self::AS_FILTERING;
+                       return $status;
                }
                if ( !wfRunHooks( 'EditFilter', array( $this, $this->textbox1, $this->section, &$this->hookError, $this->summary ) ) ) {
                        # Error messages etc. could be handled within the hook...
+                       $status->fatal( 'hookaborted' );
+                       $status->value = self::AS_HOOK_ERROR;
                        wfProfileOut( __METHOD__ . '-checks' );
                        wfProfileOut( __METHOD__ );
-                       return self::AS_HOOK_ERROR;
+                       return $status;
                } elseif ( $this->hookError != '' ) {
                        # ...or the hook could be expecting us to produce an error
+                       $status->fatal( 'hookaborted' );
+                       $status->value = self::AS_HOOK_ERROR_EXPECTED;
                        wfProfileOut( __METHOD__ . '-checks' );
                        wfProfileOut( __METHOD__ );
-                       return self::AS_HOOK_ERROR_EXPECTED;
+                       return $status;
                }
+
                if ( $wgUser->isBlockedFrom( $this->mTitle, false ) ) {
+                       // Auto-block user's IP if the account was "hard" blocked
+                       $wgUser->spreadAnyEditBlock();
                        # Check block state against master, thus 'false'.
+                       $status->setResult( false, self::AS_BLOCKED_PAGE_FOR_USER );
                        wfProfileOut( __METHOD__ . '-checks' );
                        wfProfileOut( __METHOD__ );
-                       return self::AS_BLOCKED_PAGE_FOR_USER;
+                       return $status;
                }
+
                $this->kblength = (int)( strlen( $this->textbox1 ) / 1024 );
                if ( $this->kblength > $wgMaxArticleSize ) {
                        // Error will be displayed by showEditForm()
                        $this->tooBig = true;
+                       $status->setResult( false, self::AS_CONTENT_TOO_BIG );
                        wfProfileOut( __METHOD__ . '-checks' );
                        wfProfileOut( __METHOD__ );
-                       return self::AS_CONTENT_TOO_BIG;
+                       return $status;
                }
 
                if ( !$wgUser->isAllowed( 'edit' ) ) {
                        if ( $wgUser->isAnon() ) {
+                               $status->setResult( false, self::AS_READ_ONLY_PAGE_ANON );
                                wfProfileOut( __METHOD__ . '-checks' );
                                wfProfileOut( __METHOD__ );
-                               return self::AS_READ_ONLY_PAGE_ANON;
+                               return $status;
                        } else {
+                               $status->fatal( 'readonlytext' );
+                               $status->value = self::AS_READ_ONLY_PAGE_LOGGED;
                                wfProfileOut( __METHOD__ . '-checks' );
                                wfProfileOut( __METHOD__ );
-                               return self::AS_READ_ONLY_PAGE_LOGGED;
+                               return $status;
                        }
                }
 
                if ( wfReadOnly() ) {
+                       $status->fatal( 'readonlytext' );
+                       $status->value = self::AS_READ_ONLY_PAGE;
                        wfProfileOut( __METHOD__ . '-checks' );
                        wfProfileOut( __METHOD__ );
-                       return self::AS_READ_ONLY_PAGE;
+                       return $status;
                }
                if ( $wgUser->pingLimiter() ) {
+                       $status->fatal( 'actionthrottledtext' );
+                       $status->value = self::AS_RATE_LIMITED;
                        wfProfileOut( __METHOD__ . '-checks' );
                        wfProfileOut( __METHOD__ );
-                       return self::AS_RATE_LIMITED;
+                       return $status;
                }
 
                # If the article has been deleted while editing, don't save it without
                # confirmation
                if ( $this->wasDeletedSinceLastEdit() && !$this->recreate ) {
+                       $status->setResult( false, self::AS_ARTICLE_WAS_DELETED );
                        wfProfileOut( __METHOD__ . '-checks' );
                        wfProfileOut( __METHOD__ );
-                       return self::AS_ARTICLE_WAS_DELETED;
+                       return $status;
                }
 
                wfProfileOut( __METHOD__ . '-checks' );
@@ -899,34 +1075,43 @@ class EditPage {
                if ( $new ) {
                        // Late check for create permission, just in case *PARANOIA*
                        if ( !$this->mTitle->userCan( 'create' ) ) {
+                               $status->fatal( 'nocreatetext' );
+                               $status->value = self::AS_NO_CREATE_PERMISSION;
                                wfDebug( __METHOD__ . ": no create permission\n" );
                                wfProfileOut( __METHOD__ );
-                               return self::AS_NO_CREATE_PERMISSION;
+                               return $status;
                        }
 
                        # Don't save a new article if it's blank.
                        if ( $this->textbox1 == '' ) {
+                               $status->setResult( false, self::AS_BLANK_ARTICLE );
                                wfProfileOut( __METHOD__ );
-                               return self::AS_BLANK_ARTICLE;
+                               return $status;
                        }
 
                        // Run post-section-merge edit filter
                        if ( !wfRunHooks( 'EditFilterMerged', array( $this, $this->textbox1, &$this->hookError, $this->summary ) ) ) {
                                # Error messages etc. could be handled within the hook...
+                               $status->fatal( 'hookaborted' );
+                               $status->value = self::AS_HOOK_ERROR;
                                wfProfileOut( __METHOD__ );
-                               return self::AS_HOOK_ERROR;
+                               return $status;
                        } elseif ( $this->hookError != '' ) {
                                # ...or the hook could be expecting us to produce an error
+                               $status->fatal( 'hookaborted' );
+                               $status->value = self::AS_HOOK_ERROR_EXPECTED;
                                wfProfileOut( __METHOD__ );
-                               return self::AS_HOOK_ERROR_EXPECTED;
+                               return $status;
                        }
 
                        # Handle the user preference to force summaries here. Check if it's not a redirect.
                        if ( !$this->allowBlankSummary && !Title::newFromRedirect( $this->textbox1 ) ) {
                                if ( md5( $this->summary ) == $this->autoSumm ) {
                                        $this->missingSummary = true;
+                                       $status->fatal( 'missingsummary' ); // or 'missingcommentheader' if $section == 'new'. Blegh
+                                       $status->value = self::AS_SUMMARY_NEEDED;
                                        wfProfileOut( __METHOD__ );
-                                       return self::AS_SUMMARY_NEEDED;
+                                       return $status;
                                }
                        }
 
@@ -935,14 +1120,13 @@ class EditPage {
                                $text = wfMsgForContent( 'newsectionheaderdefaultlevel', $this->summary ) . "\n\n" . $text;
                        }
 
-                       $retval = self::AS_SUCCESS_NEW_ARTICLE;
+                       $status->value = self::AS_SUCCESS_NEW_ARTICLE;
 
                } else {
 
                        # Article exists. Check for edit conflict.
 
                        $this->mArticle->clear(); # Force reload of dates, etc.
-                       $this->mArticle->forUpdate( true ); # Lock the article
 
                        wfDebug( "timestamp: {$this->mArticle->getTimestamp()}, edittime: {$this->edittime}\n" );
 
@@ -960,15 +1144,12 @@ class EditPage {
                                                $this->isConflict = false;
                                                wfDebug( __METHOD__ .": conflict suppressed; new section\n" );
                                        }
+                               } elseif ( $this->section == '' && $this->userWasLastToEdit( $wgUser->getId(), $this->edittime ) ) {
+                                       # Suppress edit conflict with self, except for section edits where merging is required.
+                                       wfDebug( __METHOD__ . ": Suppressing edit conflict, same user.\n" );
+                                       $this->isConflict = false;
                                }
                        }
-                       $userid = $wgUser->getId();
-
-                       # Suppress edit conflict with self, except for section edits where merging is required.
-                       if ( $this->isConflict && $this->section == '' && $this->userWasLastToEdit( $userid, $this->edittime ) ) {
-                               wfDebug( __METHOD__ . ": Suppressing edit conflict, same user.\n" );
-                               $this->isConflict = false;
-                       }
 
                        if ( $this->isConflict ) {
                                wfDebug( __METHOD__ . ": conflict! getting section '$this->section' for time '$this->edittime' (article time '" .
@@ -982,7 +1163,7 @@ class EditPage {
                                wfDebug( __METHOD__ . ": activating conflict; section replace failed.\n" );
                                $this->isConflict = true;
                                $text = $this->textbox1; // do not try to merge here!
-                       } else if ( $this->isConflict ) {
+                       } elseif ( $this->isConflict ) {
                                # Attempt merge
                                if ( $this->mergeChangesInto( $text ) ) {
                                        // Successful merge! Maybe we should tell the user the good news?
@@ -996,31 +1177,37 @@ class EditPage {
                        }
 
                        if ( $this->isConflict ) {
+                               $status->setResult( false, self::AS_CONFLICT_DETECTED );
                                wfProfileOut( __METHOD__ );
-                               return self::AS_CONFLICT_DETECTED;
+                               return $status;
                        }
 
-                       $oldtext = $this->mArticle->getContent();
-
                        // Run post-section-merge edit filter
                        if ( !wfRunHooks( 'EditFilterMerged', array( $this, $text, &$this->hookError, $this->summary ) ) ) {
                                # Error messages etc. could be handled within the hook...
+                               $status->fatal( 'hookaborted' );
+                               $status->value = self::AS_HOOK_ERROR;
                                wfProfileOut( __METHOD__ );
-                               return self::AS_HOOK_ERROR;
+                               return $status;
                        } elseif ( $this->hookError != '' ) {
                                # ...or the hook could be expecting us to produce an error
+                               $status->fatal( 'hookaborted' );
+                               $status->value = self::AS_HOOK_ERROR_EXPECTED;
                                wfProfileOut( __METHOD__ );
-                               return self::AS_HOOK_ERROR_EXPECTED;
+                               return $status;
                        }
 
                        # Handle the user preference to force summaries here, but not for null edits
-                       if ( $this->section != 'new' && !$this->allowBlankSummary && 0 != strcmp( $oldtext, $text )
+                       if ( $this->section != 'new' && !$this->allowBlankSummary
+                               && 0 != strcmp( $this->mArticle->getContent(), $text )
                                && !Title::newFromRedirect( $text ) ) # check if it's not a redirect
                        {
                                if ( md5( $this->summary ) == $this->autoSumm ) {
                                        $this->missingSummary = true;
+                                       $status->fatal( 'missingsummary' );
+                                       $status->value = self::AS_SUMMARY_NEEDED;
                                        wfProfileOut( __METHOD__ );
-                                       return self::AS_SUMMARY_NEEDED;
+                                       return $status;
                                }
                        }
 
@@ -1028,8 +1215,10 @@ class EditPage {
                        if ( $this->section == 'new' && !$this->allowBlankSummary ) {
                                if ( trim( $this->summary ) == '' ) {
                                        $this->missingSummary = true;
+                                       $status->fatal( 'missingsummary' ); // or 'missingcommentheader' if $section == 'new'. Blegh
+                                       $status->value = self::AS_SUMMARY_NEEDED;
                                        wfProfileOut( __METHOD__ );
-                                       return self::AS_SUMMARY_NEEDED;
+                                       return $status;
                                }
                        }
 
@@ -1039,9 +1228,11 @@ class EditPage {
                        if ( $this->section == 'new' ) {
                                if ( $this->textbox1 == '' ) {
                                        $this->missingComment = true;
+                                       $status->fatal( 'missingcommenttext' );
+                                       $status->value = self::AS_TEXTBOX_EMPTY;
                                        wfProfileOut( __METHOD__ . '-sectionanchor' );
                                        wfProfileOut( __METHOD__ );
-                                       return self::AS_TEXTBOX_EMPTY;
+                                       return $status;
                                }
                                if ( $this->summary != '' ) {
                                        $sectionanchor = $wgParser->guessLegacySectionNameFromWikiText( $this->summary );
@@ -1057,7 +1248,7 @@ class EditPage {
                                $hasmatch = preg_match( "/^ *([=]{1,6})(.*?)(\\1) *\\n/i", $this->textbox1, $matches );
                                # we can't deal with anchors, includes, html etc in the header for now,
                                # headline would need to be parsed to improve this
-                               if ( $hasmatch and strlen( $matches[2] ) > 0 ) {
+                               if ( $hasmatch && strlen( $matches[2] ) > 0 ) {
                                        $sectionanchor = $wgParser->guessLegacySectionNameFromWikiText( $matches[2] );
                                }
                        }
@@ -1071,33 +1262,35 @@ class EditPage {
                        $this->textbox1 = $text;
                        $this->section = '';
 
-                       $retval = self::AS_SUCCESS_UPDATE;
+                       $status->value = self::AS_SUCCESS_UPDATE;
                }
 
                // Check for length errors again now that the section is merged in
                $this->kblength = (int)( strlen( $text ) / 1024 );
                if ( $this->kblength > $wgMaxArticleSize ) {
                        $this->tooBig = true;
+                       $status->setResult( false, self::AS_MAX_ARTICLE_SIZE_EXCEEDED );
                        wfProfileOut( __METHOD__ );
-                       return self::AS_MAX_ARTICLE_SIZE_EXCEEDED;
+                       return $status;
                }
 
                $flags = EDIT_DEFER_UPDATES | EDIT_AUTOSUMMARY |
                        ( $new ? EDIT_NEW : EDIT_UPDATE ) |
-                       ( $this->minoredit ? EDIT_MINOR : 0 ) |
+                       ( ( $this->minoredit && !$this->isNew ) ? EDIT_MINOR : 0 ) |
                        ( $bot ? EDIT_FORCE_BOT : 0 );
 
-               $status = $this->mArticle->doEdit( $text, $this->summary, $flags );
+               $doEditStatus = $this->mArticle->doEdit( $text, $this->summary, $flags );
 
-               if ( $status->isOK() ) {
+               if ( $doEditStatus->isOK() ) {
                        $result['redirect'] = Title::newFromRedirect( $text ) !== null;
                        $this->commitWatch();
                        wfProfileOut( __METHOD__ );
-                       return $retval;
+                       return $status;
                } else {
                        $this->isConflict = true;
+                       $doEditStatus->value = self::AS_END; // Destroys data doEdit() put in $status->value but who cares
                        wfProfileOut( __METHOD__ );
-                       return self::AS_END;
+                       return $doEditStatus;
                }
        }
 
@@ -1105,13 +1298,14 @@ class EditPage {
         * Commit the change of watch status
         */
        protected function commitWatch() {
+               global $wgUser;
                if ( $this->watchthis xor $this->mTitle->userIsWatching() ) {
                        $dbw = wfGetDB( DB_MASTER );
                        $dbw->begin();
                        if ( $this->watchthis ) {
-                               $this->mArticle->doWatch();
+                               WatchAction::doWatch( $this->mTitle, $wgUser );
                        } else {
-                               $this->mArticle->doUnwatch();
+                               WatchAction::doUnwatch( $this->mTitle, $wgUser );
                        }
                        $dbw->commit();
                }
@@ -1121,6 +1315,11 @@ class EditPage {
         * Check if no edits were made by other users since
         * the time a user started editing the page. Limit to
         * 50 revisions for the sake of performance.
+        *
+        * @param $id int
+        * @param $edittime string
+        *
+        * @return bool
         */
        protected function userWasLastToEdit( $id, $edittime ) {
                if( !$id ) return false;
@@ -1143,7 +1342,10 @@ class EditPage {
 
        /**
         * Check given input text against $wgSpamRegex, and return the text of the first match.
-        * @return mixed -- matching string or false
+        *
+        * @param $text string
+        *
+        * @return string|false matching string or false
         */
        public static function matchSpamRegex( $text ) {
                global $wgSpamRegex;
@@ -1154,7 +1356,10 @@ class EditPage {
 
        /**
         * Check given input text against $wgSpamRegex, and return the text of the first match.
-        * @return mixed -- matching string or false
+        *
+        * @parma $text string
+        *
+        * @return string|false  matching string or false
         */
        public static function matchSummarySpamRegex( $text ) {
                global $wgSummarySpamRegex;
@@ -1162,6 +1367,11 @@ class EditPage {
                return self::matchSpamRegexInternal( $text, $regexes );
        }
 
+       /**
+        * @param $text string
+        * @param $regexes array
+        * @return bool|string
+        */
        protected static function matchSpamRegexInternal( $text, $regexes ) {
                foreach( $regexes as $regex ) {
                        $matches = array();
@@ -1175,7 +1385,7 @@ class EditPage {
        /**
         * Initialise form fields in the object
         * Called on the first invocation, e.g. when a user clicks an edit link
-        * @returns bool -- if the requested section is valid
+        * @return bool -- if the requested section is valid
         */
        function initialiseForm() {
                global $wgUser;
@@ -1193,55 +1403,46 @@ class EditPage {
                        # Already watched
                        $this->watchthis = true;
                }
-               if ( $wgUser->getOption( 'minordefault' ) ) $this->minoredit = true;
-               if ( $this->textbox1 === false ) return false;
+               if ( $wgUser->getOption( 'minordefault' ) && !$this->isNew ) {
+                       $this->minoredit = true;
+               }
+               if ( $this->textbox1 === false ) {
+                       return false;
+               }
                wfProxyCheck();
                return true;
        }
 
        function setHeaders() {
-               global $wgOut, $wgTitle;
+               global $wgOut;
                $wgOut->setRobotPolicy( 'noindex,nofollow' );
-               if ( $this->formtype == 'preview' ) {
-                       $wgOut->setPageTitleActionText( wfMsg( 'preview' ) );
-               }
                if ( $this->isConflict ) {
-                       $wgOut->setPageTitle( wfMsg( 'editconflict', $wgTitle->getPrefixedText() ) );
+                       $wgOut->setPageTitle( wfMessage( 'editconflict', $this->getContextTitle()->getPrefixedText() ) );
                } elseif ( $this->section != '' ) {
                        $msg = $this->section == 'new' ? 'editingcomment' : 'editingsection';
-                       $wgOut->setPageTitle( wfMsg( $msg, $wgTitle->getPrefixedText() ) );
+                       $wgOut->setPageTitle( wfMessage( $msg, $this->getContextTitle()->getPrefixedText() ) );
                } else {
                        # Use the title defined by DISPLAYTITLE magic word when present
                        if ( isset( $this->mParserOutput )
                         && ( $dt = $this->mParserOutput->getDisplayTitle() ) !== false ) {
                                $title = $dt;
                        } else {
-                               $title = $wgTitle->getPrefixedText();
+                               $title = $this->getContextTitle()->getPrefixedText();
                        }
-                       $wgOut->setPageTitle( wfMsg( 'editing', $title ) );
+                       $wgOut->setPageTitle( wfMessage( 'editing', $title ) );
                }
        }
 
        /**
         * Send the edit form and related headers to $wgOut
-        * @param $formCallback Optional callable that takes an OutputPage
-        *                      parameter; will be called during form output
-        *                      near the top, for captchas and the like.
+        * @param $formCallback Callback that takes an OutputPage parameter; will be called
+        *     during form output near the top, for captchas and the like.
         */
        function showEditForm( $formCallback = null ) {
-               global $wgOut, $wgUser, $wgTitle;
-
-               # If $wgTitle is null, that means we're in API mode.
-               # Some hook probably called this function  without checking
-               # for is_null($wgTitle) first. Bail out right here so we don't
-               # do lots of work just to discard it right after.
-               if ( is_null( $wgTitle ) )
-                       return;
+               global $wgOut, $wgUser;
 
                wfProfileIn( __METHOD__ );
 
-               $sk = $wgUser->getSkin();
-
                #need to parse the preview early so that we know which templates are used,
                #otherwise users with "show preview after edit box" will get a blank list
                #we parse this near the beginning so that setHeaders can do the title
@@ -1263,7 +1464,7 @@ class EditPage {
                        return;
                }
 
-               $action = htmlspecialchars( $this->getActionURL( $wgTitle ) );
+               $action = htmlspecialchars( $this->getActionURL( $this->getContextTitle() ) );
 
                if ( $wgUser->getOption( 'showtoolbar' ) and !$this->isCssJsSubpage ) {
                        # prepare toolbar for edit buttons
@@ -1282,10 +1483,10 @@ class EditPage {
                $wgOut->addHTML( $this->editFormTextTop );
 
                $templates = $this->getTemplates();
-               $formattedtemplates = $sk->formatTemplates( $templates, $this->preview, $this->section != '');
+               $formattedtemplates = Linker::formatTemplates( $templates, $this->preview, $this->section != '');
 
                $hiddencats = $this->mArticle->getHiddenCategories();
-               $formattedhiddencats = $sk->formatHiddenCategories( $hiddencats );
+               $formattedhiddencats = Linker::formatHiddenCategories( $hiddencats );
 
                if ( $this->wasDeletedSinceLastEdit() && 'save' != $this->formtype ) {
                        $wgOut->wrapWikiMsg(
@@ -1298,7 +1499,6 @@ class EditPage {
                        // @todo move this to a cleaner conditional instead of blanking a variable
                }
                $wgOut->addHTML( <<<HTML
-{$toolbar}
 <form id="editform" name="editform" method="post" action="$action" enctype="multipart/form-data">
 HTML
 );
@@ -1315,14 +1515,17 @@ HTML
                if ( $this->wasDeletedSinceLastEdit() && 'save' == $this->formtype ) {
                        $username = $this->lastDelete->user_name;
                        $comment = $this->lastDelete->log_comment;
-       
+
                        // It is better to not parse the comment at all than to have templates expanded in the middle
                        // TODO: can the checkLabel be moved outside of the div so that wrapWikiMsg could be used?
+                       $key = $comment === ''
+                               ? 'confirmrecreate-noreason'
+                               : 'confirmrecreate';
                        $wgOut->addHTML(
                                '<div class="mw-confirm-recreate">' .
-                               wfMsgExt( 'confirmrecreate', 'parseinline', $username, "<nowiki>$comment</nowiki>" ) .
+                               wfMsgExt( $key, 'parseinline', $username, "<nowiki>$comment</nowiki>" ) .
                                Xml::checkLabel( wfMsg( 'recreate' ), 'wpRecreate', 'wpRecreate', false,
-                                       array( 'title' => $sk->titleAttrib( 'recreate' ), 'tabindex' => 1, 'id' => 'wpRecreate' )
+                                       array( 'title' => Linker::titleAttrib( 'recreate' ), 'tabindex' => 1, 'id' => 'wpRecreate' )
                                ) .
                                '</div>'
                        );
@@ -1350,6 +1553,8 @@ HTML
 
                $wgOut->addHTML( $this->editFormTextBeforeContent );
 
+               $wgOut->addHTML( $toolbar );
+
                if ( $this->isConflict ) {
                        // In an edit conflict bypass the overrideable content form method
                        // and fallback to the raw wpTextbox1 since editconflicts can't be
@@ -1397,7 +1602,7 @@ HTML
        }
 
        protected function showHeader() {
-               global $wgOut, $wgUser, $wgTitle, $wgMaxArticleSize, $wgLang;
+               global $wgOut, $wgUser, $wgMaxArticleSize, $wgLang;
                if ( $this->isConflict ) {
                        $wgOut->wrapWikiMsg( "<div class='mw-explainconflict'>\n$1\n</div>", 'explainconflict' );
                        $this->edittime = $this->mArticle->getTimestamp();
@@ -1448,7 +1653,7 @@ HTML
 
                                if ( !$this->mArticle->mRevision->userCan( Revision::DELETED_TEXT ) ) {
                                        $wgOut->wrapWikiMsg( "<div class='mw-warning plainlinks'>\n$1\n</div>\n", 'rev-deleted-text-permission' );
-                               } else if ( $this->mArticle->mRevision->isDeleted( Revision::DELETED_TEXT ) ) {
+                               } elseif ( $this->mArticle->mRevision->isDeleted( Revision::DELETED_TEXT ) ) {
                                        $wgOut->wrapWikiMsg( "<div class='mw-warning plainlinks'>\n$1\n</div>\n", 'rev-deleted-text-view' );
                                }
 
@@ -1471,7 +1676,7 @@ HTML
                        if ( $this->isCssJsSubpage ) {
                                # Check the skin exists
                                if ( $this->isWrongCaseCssJsPage ) {
-                                       $wgOut->wrapWikiMsg( "<div class='error' id='mw-userinvalidcssjstitle'>\n$1\n</div>", array( 'userinvalidcssjstitle', $wgTitle->getSkinFromCssJsSubpage() ) );
+                                       $wgOut->wrapWikiMsg( "<div class='error' id='mw-userinvalidcssjstitle'>\n$1\n</div>", array( 'userinvalidcssjstitle', $this->mTitle->getSkinFromCssJsSubpage() ) );
                                }
                                if ( $this->formtype !== 'preview' ) {
                                        if ( $this->isCssSubpage )
@@ -1490,7 +1695,7 @@ HTML
                                # Then it must be protected based on static groups (regular)
                                $noticeMsg = 'protectedpagewarning';
                        }
-                       LogEventsList::showLogExtract( $wgOut, 'protect', $this->mTitle->getPrefixedText(), '',
+                       LogEventsList::showLogExtract( $wgOut, 'protect', $this->mTitle, '',
                                array( 'lim' => 1, 'msgKey' => array( $noticeMsg ) ) );
                }
                if ( $this->mTitle->isCascadeProtected() ) {
@@ -1508,7 +1713,7 @@ HTML
                        $wgOut->wrapWikiMsg( $notice, array( 'cascadeprotectedwarning', $cascadeSourcesCount ) );
                }
                if ( !$this->mTitle->exists() && $this->mTitle->getRestrictions( 'create' ) ) {
-                       LogEventsList::showLogExtract( $wgOut, 'protect', $this->mTitle->getPrefixedText(), '',
+                       LogEventsList::showLogExtract( $wgOut, 'protect', $this->mTitle, '',
                                array(  'lim' => 1,
                                        'showIfEmpty' => false,
                                        'msgKey' => array( 'titleprotectedwarning' ),
@@ -1538,15 +1743,14 @@ HTML
         * inferred by the id given to the input. You can remove them both by
         * passing array( 'id' => false ) to $userInputAttrs.
         *
-        * @param $summary The value of the summary input
-        * @param $labelText The html to place inside the label
-        * @param $inputAttrs An array of attrs to use on the input
-        * @param $spanLabelAttrs An array of attrs to use on the span inside the label
+        * @param $summary string The value of the summary input
+        * @param $labelText string The html to place inside the label
+        * @param $inputAttrs array of attrs to use on the input
+        * @param $spanLabelAttrs array of attrs to use on the span inside the label
         *
         * @return array An array in the format array( $label, $input )
         */
        function getSummaryInput($summary = "", $labelText = null, $inputAttrs = null, $spanLabelAttrs = null) {
-               global $wgUser;
                //Note: the maxlength is overriden in JS to 250 and to make it use UTF-8 bytes, not characters.
                $inputAttrs = ( is_array($inputAttrs) ? $inputAttrs : array() ) + array(
                        'id' => 'wpSummary',
@@ -1554,7 +1758,7 @@ HTML
                        'tabindex' => '1',
                        'size' => 60,
                        'spellcheck' => 'true',
-               ) + $wgUser->getSkin()->tooltipAndAccessKeyAttribs( 'summary' );
+               ) + Linker::tooltipAndAccesskeyAttribs( 'summary' );
 
                $spanLabelAttrs = ( is_array($spanLabelAttrs) ? $spanLabelAttrs : array() ) + array(
                        'class' => $this->missingSummary ? 'mw-summarymissed' : 'mw-summary',
@@ -1584,11 +1788,13 @@ HTML
                # Add a class if 'missingsummary' is triggered to allow styling of the summary line
                $summaryClass = $this->missingSummary ? 'mw-summarymissed' : 'mw-summary';
                if ( $isSubjectPreview ) {
-                       if ( $this->nosummary )
+                       if ( $this->nosummary ) {
                                return;
+                       }
                } else {
-                       if ( !$this->mShowSummaryField )
+                       if ( !$this->mShowSummaryField ) {
                                return;
+                       }
                }
                $summary = $wgContLang->recodeForEdit( $summary );
                $labelText = wfMsgExt( $isSubjectPreview ? 'subject' : 'summary', 'parseinline' );
@@ -1607,15 +1813,14 @@ HTML
                if ( !$summary || ( !$this->preview && !$this->diff ) )
                        return "";
 
-               global $wgParser, $wgUser;
-               $sk = $wgUser->getSkin();
+               global $wgParser;
 
                if ( $isSubjectPreview )
                        $summary = wfMsgForContent( 'newsectionsummary', $wgParser->stripSectionName( $summary ) );
 
                $message = $isSubjectPreview ? 'subject-preview' : 'summary-preview';
 
-               $summary = wfMsgExt( $message, 'parseinline' ) . $sk->commentBlock( $summary, $this->mTitle, $isSubjectPreview );
+               $summary = wfMsgExt( $message, 'parseinline' ) . Linker::commentBlock( $summary, $this->mTitle, $isSubjectPreview );
                return Xml::tags( 'div', array( 'class' => 'mw-summary-preview' ), $summary );
        }
 
@@ -1681,6 +1886,10 @@ HTML
                                # Then it must be protected based on static groups (regular)
                                $classes[] = 'mw-textarea-protected';
                        }
+                       # Is the title cascade-protected?
+                       if ( $this->mTitle->isCascadeProtected() ) {
+                               $classes[] = 'mw-textarea-cprotected';
+                       }
                }
                $attribs = array( 'tabindex' => 1 );
                if ( is_array($customAttribs) )
@@ -1698,14 +1907,14 @@ HTML
        }
 
        protected function showTextbox2() {
-               $this->showTextbox( $this->textbox2, 'wpTextbox2', array( 'tabindex' => 6 ) );
+               $this->showTextbox( $this->textbox2, 'wpTextbox2', array( 'tabindex' => 6, 'readonly' ) );
        }
 
        protected function showTextbox( $content, $name, $customAttribs = array() ) {
                global $wgOut, $wgUser;
 
                $wikitext = $this->safeUnicodeOutput( $content );
-               if ( $wikitext !== '' ) {
+               if ( strval($wikitext) !== '' ) {
                        // Ensure there's a newline at the end, otherwise adding lines
                        // is awkward.
                        // But don't add a newline if the ext is empty, or Firefox in XHTML
@@ -1721,6 +1930,10 @@ HTML
                        'style' => '' // avoid php notices when appending preferences (appending allows customAttribs['style'] to still work
                );
 
+               $pageLang = $this->mTitle->getPageLanguage();
+               $attribs['lang'] = $pageLang->getCode();
+               $attribs['dir'] = $pageLang->getDir();
+
                $wgOut->addHTML( Html::textarea( $name, $wikitext, $attribs ) );
        }
 
@@ -1782,16 +1995,16 @@ HTML
                if( !wfMessage( $msg )->isDisabled() ) {
                        global $wgOut;
                        $wgOut->addHTML( '<div class="mw-tos-summary">' );
-                       $wgOut->addWikiMsgArray( $msg, array() );
+                       $wgOut->addWikiMsg( $msg );
                        $wgOut->addHTML( '</div>' );
                }
        }
 
        protected function showEditTools() {
                global $wgOut;
-               $wgOut->addHTML( '<div class="mw-editTools">' );
-               $wgOut->addWikiMsgArray( 'edittools', array(), array( 'content' ) );
-               $wgOut->addHTML( '</div>' );
+               $wgOut->addHTML( '<div class="mw-editTools">' .
+                       wfMessage( 'edittools' )->inContentLanguage()->parse() .
+                       '</div>' );
        }
 
        protected function getCopywarn() {
@@ -1807,11 +2020,12 @@ HTML
                // Allow for site and per-namespace customization of contribution/copyright notice.
                wfRunHooks( 'EditPageCopyrightWarning', array( $this->mTitle, &$copywarnMsg ) );
 
-               return "<div id=\"editpage-copywarn\">\n" . call_user_func_array("wfMsgNoTrans", $copywarnMsg) . "\n</div>";
+               return "<div id=\"editpage-copywarn\">\n" .
+                       call_user_func_array("wfMsgNoTrans", $copywarnMsg) . "\n</div>";
        }
 
        protected function showStandardInputs( &$tabindex = 2 ) {
-               global $wgOut, $wgUser;
+               global $wgOut;
                $wgOut->addHTML( "<div class='editOptions'>\n" );
 
                if ( $this->section != 'new' ) {
@@ -1819,23 +2033,25 @@ HTML
                        $wgOut->addHTML( $this->getSummaryPreview( false, $this->summary ) );
                }
 
-               $checkboxes = $this->getCheckboxes( $tabindex, $wgUser->getSkin(),
+               $checkboxes = $this->getCheckboxes( $tabindex,
                        array( 'minor' => $this->minoredit, 'watch' => $this->watchthis ) );
                $wgOut->addHTML( "<div class='editCheckboxes'>" . implode( $checkboxes, "\n" ) . "</div>\n" );
                $wgOut->addHTML( "<div class='editButtons'>\n" );
                $wgOut->addHTML( implode( $this->getEditButtons( $tabindex ), "\n" ) . "\n" );
 
                $cancel = $this->getCancelLink();
-               $separator = wfMsgExt( 'pipe-separator' , 'escapenoentities' );
+               if ( $cancel !== '' ) {
+                       $cancel .= wfMsgExt( 'pipe-separator' , 'escapenoentities' );
+               }
                $edithelpurl = Skin::makeInternalOrExternalUrl( wfMsgForContent( 'edithelppage' ) );
                $edithelp = '<a target="helpwindow" href="'.$edithelpurl.'">'.
                        htmlspecialchars( wfMsg( 'edithelp' ) ).'</a> '.
                        htmlspecialchars( wfMsg( 'newwindow' ) );
-               $wgOut->addHTML( "      <span class='editHelp'>{$cancel}{$separator}{$edithelp}</span>\n" );
+               $wgOut->addHTML( "      <span class='editHelp'>{$cancel}{$edithelp}</span>\n" );
                $wgOut->addHTML( "</div><!-- editButtons -->\n</div><!-- editOptions -->\n" );
        }
 
-       /*
+       /**
         * Show an edit conflict. textbox1 is already shown in showEditForm().
         * If you want to use another entry point to this function, be careful.
         */
@@ -1848,7 +2064,7 @@ HTML
 
                        $de = new DifferenceEngine( $this->mTitle );
                        $de->setText( $this->textbox2, $this->textbox1 );
-                       $de->showDiff( wfMsg( "yourtext" ), wfMsg( "storedversion" ) );
+                       $de->showDiff( wfMsgExt( 'yourtext', 'parseinline' ), wfMsg( 'storedversion' ) );
 
                        $wgOut->wrapWikiMsg( '<h2>$1</h2>', "yourtext" );
                        $this->showTextbox2();
@@ -1860,20 +2076,20 @@ HTML
                $data = $dbr->selectRow(
                        array( 'logging', 'user' ),
                        array( 'log_type',
-                              'log_action',
-                              'log_timestamp',
-                              'log_user',
-                              'log_namespace',
-                              'log_title',
-                              'log_comment',
-                              'log_params',
-                              'log_deleted',
-                              'user_name' ),
+                                  'log_action',
+                                  'log_timestamp',
+                                  'log_user',
+                                  'log_namespace',
+                                  'log_title',
+                                  'log_comment',
+                                  'log_params',
+                                  'log_deleted',
+                                  'user_name' ),
                        array( 'log_namespace' => $this->mTitle->getNamespace(),
-                              'log_title' => $this->mTitle->getDBkey(),
-                              'log_type' => 'delete',
-                              'log_action' => 'delete',
-                              'user_id=log_user' ),
+                                  'log_title' => $this->mTitle->getDBkey(),
+                                  'log_type' => 'delete',
+                                  'log_action' => 'delete',
+                                  'user_id=log_user' ),
                        __METHOD__,
                        array( 'LIMIT' => 1, 'ORDER BY' => 'log_timestamp DESC' )
                );
@@ -1902,6 +2118,8 @@ HTML
                        } else {
                                $note = wfMsg( 'session_fail_preview' );
                        }
+               } elseif ( $this->incompleteForm ) {
+                       $note = wfMsg( 'edit_form_incomplete' );
                } else {
                        $note = wfMsg( 'previewnote' );
                }
@@ -1915,31 +2133,42 @@ HTML
                if ( $wgRawHtml && !$this->mTokenOk ) {
                        // Could be an offsite preview attempt. This is very unsafe if
                        // HTML is enabled, as it could be an attack.
-                       $parsedNote = $wgOut->parse( "<div class='previewnote'>" .
-                               wfMsg( 'session_fail_preview_html' ) . "</div>" );
+                       $parsedNote = '';
+                       if ( $this->textbox1 !== '' ) {
+                               // Do not put big scary notice, if previewing the empty
+                               // string, which happens when you initially edit
+                               // a category page, due to automatic preview-on-open.
+                               $parsedNote = $wgOut->parse( "<div class='previewnote'>" .
+                                       wfMsg( 'session_fail_preview_html' ) . "</div>", true, /* interface */true );
+                       }
                        wfProfileOut( __METHOD__ );
                        return $parsedNote;
                }
 
-               # don't parse user css/js, show message about preview
-               # XXX: stupid php bug won't let us use $wgTitle->isCssJsSubpage() here -- This note has been there since r3530. Sure the bug was fixed time ago?
+               # don't parse non-wikitext pages, show message about preview
+               # XXX: stupid php bug won't let us use $this->getContextTitle()->isCssJsSubpage() here -- This note has been there since r3530. Sure the bug was fixed time ago?
 
-               if ( $this->isCssJsSubpage || $this->mTitle->isCssOrJsPage() ) {
-                       $level = 'user';
-                       if ( $this->mTitle->getNamespace() == NS_MEDIAWIKI ) {
+               if ( $this->isCssJsSubpage || !$this->mTitle->isWikitextPage() ) {
+                       if( $this->mTitle->isCssJsSubpage() ) {
+                               $level = 'user';
+                       } elseif( $this->mTitle->isCssOrJsPage() ) {
                                $level = 'site';
+                       } else {
+                               $level = false;
                        }
 
                        # Used messages to make sure grep find them:
                        # Messages: usercsspreview, userjspreview, sitecsspreview, sitejspreview
-                       if (preg_match( "/\\.css$/", $this->mTitle->getText() ) ) {
-                               $previewtext = "<div id='mw-{$level}csspreview'>\n" . wfMsg( "{$level}csspreview" ) . "\n</div>";
-                               $class = "mw-code mw-css";
-                       } elseif (preg_match( "/\\.js$/", $this->mTitle->getText() ) ) {
-                               $previewtext = "<div id='mw-{$level}jspreview'>\n" . wfMsg( "{$level}jspreview" ) . "\n</div>";
-                               $class = "mw-code mw-js";
-                       } else {
-                               throw new MWException( 'A CSS/JS (sub)page but which is not css nor js!' );
+                       if( $level ) {
+                               if (preg_match( "/\\.css$/", $this->mTitle->getText() ) ) {
+                                       $previewtext = "<div id='mw-{$level}csspreview'>\n" . wfMsg( "{$level}csspreview" ) . "\n</div>";
+                                       $class = "mw-code mw-css";
+                               } elseif (preg_match( "/\\.js$/", $this->mTitle->getText() ) ) {
+                                       $previewtext = "<div id='mw-{$level}jspreview'>\n" . wfMsg( "{$level}jspreview" ) . "\n</div>";
+                                       $class = "mw-code mw-js";
+                               } else {
+                                       throw new MWException( 'A CSS/JS (sub)page but which is not css nor js!' );
+                               }
                        }
 
                        $parserOptions->setTidy( true );
@@ -1961,13 +2190,6 @@ HTML
 
                                wfRunHooks( 'EditPageGetPreviewText', array( $this, &$toparse ) );
 
-                               // Parse mediawiki messages with correct target language
-                               if ( $this->mTitle->getNamespace() == NS_MEDIAWIKI ) {
-                                       list( /* $unused */, $lang ) = MessageCache::singleton()->figureMessage( $this->mTitle->getText() );
-                                       $obj = wfGetLangObj( $lang );
-                                       $parserOptions->setTargetLanguage( $obj );
-                               }
-
                                $parserOptions->setTidy( true );
                                $parserOptions->enableLimitReport();
                                $parserOutput = $wgParser->parse( $this->mArticle->preSaveTransform( $toparse ),
@@ -1991,16 +2213,26 @@ HTML
 
                $previewhead = "<div class='previewnote'>\n" .
                        '<h2 id="mw-previewheader">' . htmlspecialchars( wfMsg( 'preview' ) ) . "</h2>" .
-                       $wgOut->parse( $note ) . $conflict . "</div>\n";
+                       $wgOut->parse( $note, true, /* interface */true ) . $conflict . "</div>\n";
+
+               $pageLang = $this->mTitle->getPageLanguage();
+               $attribs = array( 'lang' => $pageLang->getCode(), 'dir' => $pageLang->getDir(),
+                       'class' => 'mw-content-'.$pageLang->getDir() );
+               $previewHTML = Html::rawElement( 'div', $attribs, $previewHTML );
 
                wfProfileOut( __METHOD__ );
                return $previewhead . $previewHTML . $this->previewTextAfterContent;
        }
 
+       /**
+        * @return Array
+        */
        function getTemplates() {
                if ( $this->preview || $this->section != '' ) {
                        $templates = array();
-                       if ( !isset( $this->mParserOutput ) ) return $templates;
+                       if ( !isset( $this->mParserOutput ) ) {
+                               return $templates;
+                       }
                        foreach( $this->mParserOutput->getTemplates() as $ns => $template) {
                                foreach( array_keys( $template ) as $dbk ) {
                                        $templates[] = Title::makeTitle($ns, $dbk);
@@ -2014,50 +2246,33 @@ HTML
 
        /**
         * Call the stock "user is blocked" page
+        *
+        * @deprecated in 1.19; throw an exception directly instead
         */
        function blockedPage() {
-               global $wgOut;
-               $wgOut->blockedPage( false ); # Standard block notice on the top, don't 'return'
-
-               # If the user made changes, preserve them when showing the markup
-               # (This happens when a user is blocked during edit, for instance)
-               $first = $this->firsttime || ( !$this->save && $this->textbox1 == '' );
-               if ( $first ) {
-                       $source = $this->mTitle->exists() ? $this->getContent() : false;
-               } else {
-                       $source = $this->textbox1;
-               }
+               global $wgUser;
 
-               # Spit out the source or the user's modified version
-               if ( $source !== false ) {
-                       $wgOut->addHTML( '<hr />' );
-                       $wgOut->addWikiMsg( $first ? 'blockedoriginalsource' : 'blockededitsource', $this->mTitle->getPrefixedText() );
-                       $this->showTextbox1( array( 'readonly' ), $source );
-               }
+               throw new UserBlockedError( $wgUser->mBlock );
        }
 
        /**
         * Produce the stock "please login to edit pages" page
+        *
+        * @deprecated in 1.19; throw an exception directly instead
         */
        function userNotLoggedInPage() {
-               global $wgUser, $wgOut, $wgTitle;
-               $skin = $wgUser->getSkin();
-
-               $loginTitle = SpecialPage::getTitleFor( 'Userlogin' );
-               $loginLink = $skin->link(
-                       $loginTitle,
-                       wfMsgHtml( 'loginreqlink' ),
-                       array(),
-                       array( 'returnto' => $wgTitle->getPrefixedText() ),
-                       array( 'known', 'noclasses' )
-               );
-
-               $wgOut->setPageTitle( wfMsg( 'whitelistedittitle' ) );
-               $wgOut->setRobotPolicy( 'noindex,nofollow' );
-               $wgOut->setArticleRelated( false );
+               throw new PermissionsError( 'edit' );
+       }
 
-               $wgOut->addWikiMsgArray( 'whitelistedittext', array( $loginLink ), array( 'replaceafter' ) );
-               $wgOut->returnToMain( false, $wgTitle );
+       /**
+        * Show an error page saying to the user that he has insufficient permissions
+        * to create a new page
+        *
+        * @deprecated in 1.19; throw an exception directly instead
+        */
+       function noCreatePermission() {
+               $permission = $this->mTitle->isTalkPage() ? 'createtalk' : 'createpage';
+               throw new PermissionsError( $permission );
        }
 
        /**
@@ -2067,9 +2282,7 @@ HTML
        function noSuchSectionPage() {
                global $wgOut;
 
-               $wgOut->setPageTitle( wfMsg( 'nosuchsectiontitle' ) );
-               $wgOut->setRobotPolicy( 'noindex,nofollow' );
-               $wgOut->setArticleRelated( false );
+               $wgOut->prepareErrorPage( wfMessage( 'nosuchsectiontitle' ) );
 
                $res = wfMsgExt( 'nosuchsectiontext', 'parse', $this->section );
                wfRunHooks( 'EditPageNoSuchSection', array( &$this, &$res ) );
@@ -2082,14 +2295,12 @@ HTML
         * Produce the stock "your edit contains spam" page
         *
         * @param $match Text which triggered one or more filters
-        * @deprecated Use method spamPageWithContent() instead
+        * @deprecated since 1.17 Use method spamPageWithContent() instead
         */
        static function spamPage( $match = false ) {
                global $wgOut, $wgTitle;
 
-               $wgOut->setPageTitle( wfMsg( 'spamprotectiontitle' ) );
-               $wgOut->setRobotPolicy( 'noindex,nofollow' );
-               $wgOut->setArticleRelated( false );
+               $wgOut->prepareErrorPage( wfMessage( 'spamprotectiontitle' ) );
 
                $wgOut->addHTML( '<div id="spamprotected">' );
                $wgOut->addWikiMsg( 'spamprotectiontext' );
@@ -2107,12 +2318,10 @@ HTML
         * @param $match Text which triggered one or more filters
         */
        public function spamPageWithContent( $match = false ) {
-               global $wgOut, $wgTitle;
+               global $wgOut;
                $this->textbox2 = $this->textbox1;
 
-               $wgOut->setPageTitle( wfMsg( 'spamprotectiontitle' ) );
-               $wgOut->setRobotPolicy( 'noindex,nofollow' );
-               $wgOut->setArticleRelated( false );
+               $wgOut->prepareErrorPage( wfMessage( 'spamprotectiontitle' ) );
 
                $wgOut->addHTML( '<div id="spamprotected">' );
                $wgOut->addWikiMsg( 'spamprotectiontext' );
@@ -2124,18 +2333,22 @@ HTML
                $wgOut->wrapWikiMsg( '<h2>$1</h2>', "yourdiff" );
                $de = new DifferenceEngine( $this->mTitle );
                $de->setText( $this->getContent(), $this->textbox2 );
-               $de->showDiff( wfMsg( "storedversion" ), wfMsg( "yourtext" ) );
+               $de->showDiff( wfMsg( "storedversion" ), wfMsgExt( 'yourtext', 'parseinline' ) );
 
                $wgOut->wrapWikiMsg( '<h2>$1</h2>', "yourtext" );
                $this->showTextbox2();
 
-               $wgOut->addReturnTo( $wgTitle, array( 'action' => 'edit' ) );
+               $wgOut->addReturnTo( $this->getContextTitle(), array( 'action' => 'edit' ) );
        }
 
 
        /**
         * @private
         * @todo document
+        *
+        * @parma $editText string
+        *
+        * @return bool
         */
        function mergeChangesInto( &$editText ){
                wfProfileIn( __METHOD__ );
@@ -2191,14 +2404,6 @@ HTML
                return true;
        }
 
-       /**
-        * @deprecated use $wgParser->stripSectionName()
-        */
-       function pseudoParseSectionAnchor( $text ) {
-               global $wgParser;
-               return $wgParser->stripSectionName( $text );
-       }
-
        /**
         * Format an anchor fragment as it would appear for a given section name
         * @param $text String
@@ -2224,16 +2429,17 @@ HTML
                $imagesAvailable = $wgEnableUploads || count( $wgForeignFileRepos );
 
                /**
-
-                * toolarray an array of arrays which each include the filename of
-                * the button image (without path), the opening tag, the closing tag,
-                * and optionally a sample text that is inserted between the two when no
-                * selection is highlighted.
-                * The tip text is shown when the user moves the mouse over the button.
+                * $toolarray is an array of arrays each of which includes the
+                * filename of the button image (without path), the opening
+                * tag, the closing tag, optionally a sample text that is
+                * inserted between the two when no selection is highlighted
+                * and.  The tip text is shown when the user moves the mouse
+                * over the button.
                 *
-                * Already here are accesskeys (key), which are not used yet until someone
-                * can figure out a way to make them work in IE. However, we should make
-                * sure these keys are not defined on the edit page.
+                * Also here: accesskeys (key), which are not used yet until
+                * someone can figure out a way to make them work in
+                * IE. However, we should make sure these keys are not defined
+                * on the edit page.
                 */
                $toolarray = array(
                        array(
@@ -2288,7 +2494,7 @@ HTML
                                'close'  => ']]',
                                'sample' => wfMsg( 'image_sample' ),
                                'tip'    => wfMsg( 'image_tip' ),
-                               'key'    => 'D'
+                               'key'    => 'D',
                        ) : false,
                        $imagesAvailable ? array(
                                'image'  => $wgLang->getImageFile( 'button-media' ),
@@ -2336,7 +2542,6 @@ HTML
                                'key'    => 'R'
                        )
                );
-               $toolbar = "<div id='toolbar'>\n";
 
                $script = '';
                foreach ( $toolarray as $tool ) {
@@ -2357,16 +2562,11 @@ HTML
                                $cssId = $tool['id'],
                        );
 
-                       $paramList = implode( ',',
-                               array_map( array( 'Xml', 'encodeJsVar' ), $params ) );
-                       $script .= "addButton($paramList);\n";
+                       $script .= Xml::encodeJsCall( 'mw.toolbar.addButton', $params );
                }
-               
-               $wgOut->addScript( Html::inlineScript(
-                       "if ( window.mediaWiki ) { $script }"
-               ) );
-               
-               $toolbar .= "\n</div>";
+               $wgOut->addScript( Html::inlineScript( ResourceLoader::makeLoaderConditionalScript( $script ) ) );
+
+               $toolbar = '<div id="toolbar"></div>';
 
                wfRunHooks( 'EditPageBeforeEditToolbar', array( &$toolbar ) );
 
@@ -2378,30 +2578,32 @@ HTML
         * minor and watch
         *
         * @param $tabindex Current tabindex
-        * @param $skin Skin object
         * @param $checked Array of checkbox => bool, where bool indicates the checked
         *                 status of the checkbox
         *
         * @return array
         */
-       public function getCheckboxes( &$tabindex, $skin, $checked ) {
+       public function getCheckboxes( &$tabindex, $checked ) {
                global $wgUser;
 
                $checkboxes = array();
 
-               $checkboxes['minor'] = '';
-               $minorLabel = wfMsgExt( 'minoredit', array( 'parseinline' ) );
-               if ( $wgUser->isAllowed( 'minoredit' ) ) {
-                       $attribs = array(
-                               'tabindex'  => ++$tabindex,
-                               'accesskey' => wfMsg( 'accesskey-minoredit' ),
-                               'id'        => 'wpMinoredit',
-                       );
-                       $checkboxes['minor'] =
-                               Xml::check( 'wpMinoredit', $checked['minor'], $attribs ) .
-                               "&#160;<label for='wpMinoredit' id='mw-editpage-minoredit'" .
-                               Xml::expandAttributes( array( 'title' => $skin->titleAttrib( 'minoredit', 'withaccess' ) ) ) .
-                               ">{$minorLabel}</label>";
+               // don't show the minor edit checkbox if it's a new page or section
+               if ( !$this->isNew ) {
+                       $checkboxes['minor'] = '';
+                       $minorLabel = wfMsgExt( 'minoredit', array( 'parseinline' ) );
+                       if ( $wgUser->isAllowed( 'minoredit' ) ) {
+                               $attribs = array(
+                                       'tabindex'  => ++$tabindex,
+                                       'accesskey' => wfMsg( 'accesskey-minoredit' ),
+                                       'id'        => 'wpMinoredit',
+                               );
+                               $checkboxes['minor'] =
+                                       Xml::check( 'wpMinoredit', $checked['minor'], $attribs ) .
+                                       "&#160;<label for='wpMinoredit' id='mw-editpage-minoredit'" .
+                                       Xml::expandAttributes( array( 'title' => Linker::titleAttrib( 'minoredit', 'withaccess' ) ) ) .
+                                       ">{$minorLabel}</label>";
+                       }
                }
 
                $watchLabel = wfMsgExt( 'watchthis', array( 'parseinline' ) );
@@ -2415,7 +2617,7 @@ HTML
                        $checkboxes['watch'] =
                                Xml::check( 'wpWatchthis', $checked['watch'], $attribs ) .
                                "&#160;<label for='wpWatchthis' id='mw-editpage-watch'" .
-                               Xml::expandAttributes( array( 'title' => $skin->titleAttrib( 'watch', 'withaccess' ) ) ) .
+                               Xml::expandAttributes( array( 'title' => Linker::titleAttrib( 'watch', 'withaccess' ) ) ) .
                                ">{$watchLabel}</label>";
                }
                wfRunHooks( 'EditPageBeforeEditChecks', array( &$this, &$checkboxes, &$tabindex ) );
@@ -2502,21 +2704,20 @@ HTML
                echo $s;
        }
 
-
+       /**
+        * @return string
+        */
        public function getCancelLink() {
-               global $wgUser, $wgTitle;
-
                $cancelParams = array();
                if ( !$this->isConflict && $this->mArticle->getOldID() > 0 ) {
                        $cancelParams['oldid'] = $this->mArticle->getOldID();
                }
 
-               return $wgUser->getSkin()->link(
-                       $wgTitle,
+               return Linker::linkKnown(
+                       $this->getContextTitle(),
                        wfMsgExt( 'cancel', array( 'parseinline' ) ),
                        array( 'id' => 'mw-editform-cancel' ),
-                       $cancelParams,
-                       array( 'known', 'noclasses' )
+                       $cancelParams
                );
        }
 
@@ -2566,6 +2767,11 @@ HTML
                        : $text;
        }
 
+       /**
+        * @param $request WebRequest
+        * @param $text string
+        * @return string
+        */
        function safeUnicodeText( $request, $text ) {
                $text = rtrim( $text );
                return $request->getBool( 'safemode' )
@@ -2610,7 +2816,7 @@ HTML
                $result = "";
                $working = 0;
                for( $i = 0; $i < strlen( $invalue ); $i++ ) {
-                       $bytevalue = ord( $invalue{$i} );
+                       $bytevalue = ord( $invalue[$i] );
                        if ( $bytevalue <= 0x7F ) { //0xxx xxxx
                                $result .= chr( $bytevalue );
                                $bytesleft = 0;
@@ -2647,13 +2853,13 @@ HTML
        function unmakesafe( $invalue ) {
                $result = "";
                for( $i = 0; $i < strlen( $invalue ); $i++ ) {
-                       if ( ( substr( $invalue, $i, 3 ) == "&#x" ) && ( $invalue{$i+3} != '0' ) ) {
+                       if ( ( substr( $invalue, $i, 3 ) == "&#x" ) && ( $invalue[$i+3] != '0' ) ) {
                                $i += 3;
                                $hexstring = "";
                                do {
-                                       $hexstring .= $invalue{$i};
+                                       $hexstring .= $invalue[$i];
                                        $i++;
-                               } while( ctype_xdigit( $invalue{$i} ) && ( $i < strlen( $invalue ) ) );
+                               } while( ctype_xdigit( $invalue[$i] ) && ( $i < strlen( $invalue ) ) );
 
                                // Do some sanity checks. These aren't needed for reversability,
                                // but should help keep the breakage down if the editor
@@ -2672,32 +2878,27 @@ HTML
                return strtr( $result, array( "&#x0" => "&#x" ) );
        }
 
-       function noCreatePermission() {
-               global $wgOut;
-               $wgOut->setPageTitle( wfMsg( 'nocreatetitle' ) );
-               $wgOut->addWikiMsg( 'nocreatetext' );
-       }
-
        /**
         * Attempt submission
         * @return bool false if output is done, true if the rest of the form should be displayed
         */
        function attemptSave() {
-               global $wgUser, $wgOut, $wgTitle;
+               global $wgUser, $wgOut;
 
                $resultDetails = false;
                # Allow bots to exempt some edits from bot flagging
                $bot = $wgUser->isAllowed( 'bot' ) && $this->bot;
-               $value = $this->internalAttemptSave( $resultDetails, $bot );
+               $status = $this->internalAttemptSave( $resultDetails, $bot );
+               // FIXME: once the interface for internalAttemptSave() is made nicer, this should use the message in $status
 
-               if ( $value == self::AS_SUCCESS_UPDATE || $value == self::AS_SUCCESS_NEW_ARTICLE ) {
+               if ( $status->value == self::AS_SUCCESS_UPDATE || $status->value == self::AS_SUCCESS_NEW_ARTICLE ) {
                        $this->didSave = true;
                }
 
-               switch ( $value ) {
+               switch ( $status->value ) {
                        case self::AS_HOOK_ERROR_EXPECTED:
                        case self::AS_CONTENT_TOO_BIG:
-                       case self::AS_ARTICLE_WAS_DELETED:
+                       case self::AS_ARTICLE_WAS_DELETED:
                        case self::AS_CONFLICT_DETECTED:
                        case self::AS_SUMMARY_NEEDED:
                        case self::AS_TEXTBOX_EMPTY:
@@ -2731,45 +2932,42 @@ HTML
                                $wgOut->redirect( $this->mTitle->getFullURL( $extraQuery ) . $sectionanchor );
                                return false;
 
+                       case self::AS_BLANK_ARTICLE:
+                               $wgOut->redirect( $this->getContextTitle()->getFullURL() );
+                               return false;
+
                        case self::AS_SPAM_ERROR:
                                $this->spamPageWithContent( $resultDetails['spam'] );
                                return false;
 
                        case self::AS_BLOCKED_PAGE_FOR_USER:
-                               $this->blockedPage();
-                               return false;
+                               throw new UserBlockedError( $wgUser->mBlock );
 
                        case self::AS_IMAGE_REDIRECT_ANON:
-                               $wgOut->showErrorPage( 'uploadnologin', 'uploadnologintext' );
-                               return false;
+                       case self::AS_IMAGE_REDIRECT_LOGGED:
+                               throw new PermissionsError( 'upload' );
 
                        case self::AS_READ_ONLY_PAGE_ANON:
-                               $this->userNotLoggedInPage();
-                               return false;
+                       case self::AS_READ_ONLY_PAGE_LOGGED:
+                               throw new PermissionsError( 'edit' );
 
-                       case self::AS_READ_ONLY_PAGE_LOGGED:
-                       case self::AS_READ_ONLY_PAGE:
-                               $wgOut->readOnlyPage();
-                               return false;
+                       case self::AS_READ_ONLY_PAGE:
+                               throw new ReadOnlyError;
 
-                       case self::AS_RATE_LIMITED:
-                               $wgOut->rateLimited();
-                               return false;
+                       case self::AS_RATE_LIMITED:
+                               throw new ThrottledError();
 
-                       case self::AS_NO_CREATE_PERMISSION:
-                               $this->noCreatePermission();
-                               return;
+                       case self::AS_NO_CREATE_PERMISSION:
+                               $permission = $this->mTitle->isTalkPage() ? 'createtalk' : 'createpage';
+                               throw new PermissionsError( $permission );
 
-                       case self::AS_BLANK_ARTICLE:
-                               $wgOut->redirect( $wgTitle->getFullURL() );
-                               return false;
-
-                       case self::AS_IMAGE_REDIRECT_LOGGED:
-                               $wgOut->permissionRequired( 'upload' );
-                               return false;
                }
+               return false;
        }
 
+       /**
+        * @return Revision
+        */
        function getBaseRevision() {
                if ( !$this->mBaseRevision ) {
                        $db = wfGetDB( DB_MASTER );