Please set $wgBlockAllowsUTEdit to true for the Arabic (ar) Wikipedia so that users can edit their talk pages to request unblock. See URL for community discussion.
You can use something like
'wgBlockAllowsUTEdit' => array(
'arwiki' => true, 'commonswiki' => true, // http://bugzilla.wikimedia.org/show_bug.cgi?id=6052 'dawiki' => true, //http://bugzilla.wikimedia.org/show_bug.cgi?id=11225 'dewiki' => true, 'enwiki' => true, 'enwikinews' => true, 'enwikisource' => true, // asked in irc 'enwikiversity' => true, // Bug 8001 'enwikibooks' => true, // Bug 8001 'eswiki' => true, // Bug 11305 'frwiki' => true, // Solensean asked on irc 'hewiki' => true, // http://bugzilla.wikimedia.org/show_bug.cgi?id=5444 'hewiktionary' => true, // bug 12141 'huwiki' => true, // http://bugzilla.wikimedia.org/show_bug.cgi?id=11756 'idwiki' => true, // http://bugzilla.wikimedia.org/show_bug.cgi?id=5313 'idwikiquote' => true, // " 'idwiktionary' => true, // " 'idwikisource' => true, // " 'idwikibooks' => true, // " // 'itwiki' => true, // Wiki_Lp asked on irc // http://bugzilla.wikimedia.org/show_bug.cgi?id=9073 'kwwiktionary' => true, 'simplewiki' => true, // 12914 'svwiki' => true, // bug 12309 'viwiki' => true, // bug 12582 'yiwiki' => true, // http://bugzilla.wikimedia.org/show_bug.cgi?id=9306
Thanks.
Version: unspecified
Severity: enhancement
URL: http://ar.wikipedia.org/wiki/%D9%88%D9%8A%D9%83%D9%8A%D8%A8%D9%8A%D8%AF%D9%8A%D8%A7:%D8%A7%D9%84%D9%85%D9%8A%D8%AF%D8%A7%D9%86_%28%D8%AA%D8%B5%D9%81%D8%AD%29#.D8.B5.D9.81.D8.AD.D8.A7.D8.AA_.D9.86.D9.82.D8.A7.D8.B4_.D8.A7.D9.84.D9.85.D9.85.D9.86.D9.88.D8.B9.D9.8A.D9.86