https://bugzilla.wikimedia.org/show_bug.cgi?id=63592

            Bug ID: 63592
           Summary: Request SelfLinkBegin hook in Linker.php
           Product: MediaWiki
           Version: 1.23-git
          Hardware: All
                OS: All
            Status: UNCONFIRMED
          Severity: normal
          Priority: Unprioritized
         Component: Parser
          Assignee: wikibugs-l@lists.wikimedia.org
          Reporter: cical...@mitre.org
       Web browser: ---
   Mobile Platform: ---

If a link to a page exists on the page itself, it currently is displayed as the
page title in bold text. The SelfLinkBegin hook (gerrit 
I343e1b1b08ec841d22a1b22bcb8af43bb65a5a50) allows extensions to modify the text
that is displayed. This new functionality is desirable in the SemanticTitle
extension. The SemanticTitle extension enables the display semantic property on
a page as a user-friendly page title instead of the actual page title. The use
of the SelfLinkBegin hook can be seen in SemanticTitle in gerrit 
I593f263723498aa28ff945c4094f27d817c1ad27.

As an example of how you can test this feature, install Semantic MediaWiki and
SemanticTitle and set


      $wgSemanticTitleProperties = array(
             NS_MAIN => "Title"
      );


Create a property page named Property:Title containing "[[Has type::Text]]".
Create a test page in the main namespace containing the text:


     {{#set:Title=Semantic Title}}
     [[{{FULLPAGENAME}}]].


Currently, the page will display the title of the test page in bold. With the
two patches above applied, the page will display the text "Semantic Title" in
bold.

While this example is very simplistic, a more complex example where this is
necessary is a page that includes a Semantic MediaWiki #ask query that has a
link to the current page in the query results. Consider a page for an author
that lists citations to all of the author's works as a result of a query. Each
citation would include the list of authors, including co-authors, as links to
their author pages. Using SemanticTitle, each author page can exist with a
title of the form "Author:xxxxxx" in the Author namespace, where xxxxxx is a
unique number, with the page title displayed as the author's name using a
property on the page. However, in the citation list, the link to the author in
question would be displayed as the bold text Author:xxxxxx, where xxxxxx is the
unique number for the current author page, rather than the author's name.

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