Merge "Deprecate specialized file errors in OutputPage and fix escaping"

diff --cc RELEASE-NOTES-1.32
index e37e76e,c610722..878c841
--- 1/RELEASE-NOTES-1.32
--- 2/RELEASE-NOTES-1.32
+++ b/RELEASE-NOTES-1.32
@@@ -236,11 -234,13 +236,16 @@@ because of Phabricator reports
  * ResourceLoaderStartUpModule::getStartupModules() and ::getLegacyModules()
    are deprecated. These concepts are obsolete and have no replacement.
  * String type for $lang of DifferenceEngine::setTextLanguage is deprecated.
+ * The following methods of OutputPage are now deprecated in favour
+   of using showFatalError directly: OutputPage::showFileDeleteError()
+   OutputPage::showFileNotFoundError(), OutputPage::showFileRenameError()
+   OutputPage::showFileCopyError() and OutputPage::showUnexpectedValueError().
+ 
  
  === Other changes in 1.32 ===
 +* (T198811) The following tables have had their UNIQUE indexes turned into proper
 +  PRIMARY KEYs for increased maintainability: interwiki, page_props,
 +  protected_titles and site_identifiers.
  * …
  
  == Compatibility ==