[wp-trac] [WordPress Trac] #63848: Dead link in IXR introspection server (specUrl points to xmlrpc.usefulinc.com)

[WordPress Trac]

#63848: Dead link in IXR introspection server (specUrl points to
xmlrpc.usefulinc.com)
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 Reporter:  mayur8991               |      Owner:  (none)
     Type:  defect (bug)            |     Status:  new
 Priority:  normal                  |  Milestone:  Awaiting Review
Component:  XML-RPC                 |    Version:  6.8.2
 Severity:  normal                  |   Keywords:  dev-feedback needs-patch
  Focuses:  docs, coding-standards  |
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 In the file:

 wp-includes/IXR/class-IXR-introspectionserver.php

 There is a reference to a specUrl that no longer works:

 **'specUrl' => 'http://xmlrpc.usefulinc.com/doc/reserved.html',**


 The domain **xmlrpc.usefulinc.com** is no longer accessible, so this URL
 is now a dead link.
 As a result, WordPress Core ships with an outdated and broken external
 reference.

 Although XML-RPC is largely deprecated in favor of the REST API, the code
 still exists in Core, and broken references should be cleaned up.

 **Steps to Reproduce**

 Open wp-includes/IXR/class-IXR-introspectionserver.php

 Locate the $signatures array where 'specUrl' is defined

 Visit http://xmlrpc.usefulinc.com/doc/reserved.html

 Observe that the URL is not reachable

 **Expected Behavior**

 The specUrl should either:

 1. Be updated to a valid working reference, or
 2. Be removed if no suitable replacement exists.

 **Environment**

 WordPress Version: 6.8.2

 Also exists in trunk (6.9-alpha)

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Ticket URL: <https://core.trac.wordpress.org/ticket/63848>
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