* {{REVISIONID}} and related variables are no longer blank after doing a null edit
* {{REVISIONID}} and related variables are no longer blank after calling action=purge&forcelinkupdate
* Pass the User object from WikiPage::commitRollback() to WikiPage::doEdit()
* Do the edits with 'Maintenance script' user as other maintenance scripts instead of 127.0.0.1
* Call Title::isValidRedirectTarget() in case of special page instead of checking only for Special:Userlogout
* Refactor the code a bit to be more readable and remove unneeded nested conditions
* WikiPage::$mCounter is now marked as protected
* Call WikiPage::loadPageData() from WikiPage::getCount() if the count is not set intead of loading the page_counter field only
Title objects are meant to be dumb value objects; we shouldn't add to their internal state like this, but should be working to remove the bits already in there like the article ID.
Preloading information like this can make sense, but probably belongs in WikiPage, not Title.
* Added Title::load() to factorise common code that load member variables instead of having each accessor doing it own loading system for its related member variable
* Removed usage of LinkCache::addLinkObj() to do the database query and do this directly in Title::load(). This allows to select the complete database row and populate all member variables; previously, requesting a field not stored in LinkCache (using getCount(), getTouched() or isNewPage()) results in two database query, one to load LinkCache data and the second to load the requested field; now there'll be only one query.
* Added Title::FIELD_IN_LINKCACHE and Title::FIELD_NOT_IN_LINKCACHE to specify whether the requested field is stored in LinkCache or not. LinkCache will be used if possible (i.e. Title::FIELD_IN_LINKCACHE is passed), otherwise a DB query to select the complete row is issued.
* Made Title::loadFromRow() save the row to LinkCache if possible.
* Added $wasFromMaster parameter to Title::loadFromRow() to tell that method whether the row was loaded from the master database or not and pass it from WikiPage::loadPageData()
* Added Title::GAID_USE_MASTER in addition to Title::GAID_FOR_UPDATE to get the row from the master database without having to do a SELECT FROM UPDATE query
* Added Title::selectFields() method to return the fields to select to given Title::loadFromRow() (and methods using it such as Title::newFromRow()) a complete row
* Made Title::$mCounter private since it has only been added recently (in r105790)
* Mark the object as loaded if Title::resetArticleID() is called with as new ID as 0
* Removed $oldFashionedRestrictions parameter from Title::loadRestrictions*(); the only extension using it is LiquidThreads and it's using Title::newFromRow() to create the Title object, so the field is already cached (and this even allows to cache that field when there's no row for that page in the page_restrictions table)
* Also reset $mTouched and $mIsNew members on resetArticleId() calls
* Updated FakeTitle a bit
* Use WikiPage::doEditUpdates() and WikiPage::onArticleDelete() to do updates instead of reimplementing the whole thing in Title::moveTo(); avoids some bugs since the implementation differs from the one from WikiPage (notably the page and article count). This adds some more cache clearing, but they are needed depending on parameters (e.g. if the redirect is not created).
* Moved WikiPage::estimateRevisionCount() and WikiPage::isBigDeletion() to Title and marked those WikiPage methods as deprecated (only call in extensions removed in r107385)
* Show an error message when deleting a page to move another one in Special:MovePage and the deletion fails due to permissions errors (previously the form would simply show again)
* Cache the result of Title::estimateRevisionCount() since it's called two times when showing the deletion form and the user doesn't have 'bigdelete' right (one for the permissions check and the other when showing the number of revisions)
* Made WikiPage::replaceSection() use getRawText() to get the current text
* Made EditPage::showDiff() also use the current text when diffing for adding a new section
* Removed the "You are editing an old version" when section=new since the oldid parameter has no effect new due to the above
* Removed permissions check from WikiPage::doUpdateRestrictions() and left it for callers, resolves the todo from documentation
* Inverted $expiry and $reason parameter between WikiPage::doUpdateRestrictions() and WikiPage::updateRestrictions() for more consistency; WikiPage::doUpdateRestrictions() also requires all parameters to be passed
* WikiPage::doUpdateRestrictions() returns a Status object instead of bool for the older one; only possible error at the moment is a read-only database
* Updated core calls to these functions
* Made maintenance scripts using it simply protect all actions returned by Title::getRestrictionTypes() instead of hardcoded 'edit' and 'move'
* This also means that protect.php can be used to protect a non-existing page for creation
* WikiPage::getParserOutput() requires a ParserOptions object (and optionally the revision ID) instead of an User object, removes an hidden dependency on $wgLang. For this reason, WikiPage::isParserCacheUsed() now also uses a ParserOptions object instead of an User object (doesn't change anything in the code except the variable name and it's not called in extensions)
* Moved PoolWorkArticleView to WikiPage.php and added an entry in the AutoLoader and moved output-related stuff directly in Article::view() so that in can be shared with WikiPage::getParserOutput() (removes code duplication, etc.)
* Added the revision ID to the PoolCounter key so that it knows which revision is being parsed and doesn't wait for another parse operation with same options but different revisions
* Removed Article::doViewParse(), Article::tryDirtyCache() and Article::getOutputFromWikitext() since they are now integrated in PoolWorkArticleView and Article::view() and there are no callers in extensions. This also fixes a bug since Article::doViewParse() will get another ParserOptions instance with special options set in Article::view() not be repercuted.
* Updated DifferenceEngine to use the new system
* Updated docs/memcached.txt to correct method names
* Also update $this->mLatest and $this->mIsRedirect in updateRevisionOn() (will use this in ApiEditPage to have to create another istance just to grab the new revision ID)
* In WikiPage::doEdit(), get the current latest before going through the process since it's now updated in updateRevisionOn() (would break RecentChange::notifyEdit() otherwise) and pass the current redirect state to use the optimisation in updateRedirectOn() if possible
