[wp-meta] [Making WordPress.org] #2517: WordPress.org locale banner shows an empty link

[Making WordPress.org]

#2517: WordPress.org locale banner shows an empty link
----------------------------+-----------------
 Reporter:  SergeyBiryukov  |      Owner:
     Type:  defect          |     Status:  new
 Priority:  normal          |  Milestone:
Component:  General         |   Keywords:
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 Using Opera 43 with language preference set to English:
 {{{
 Accept-Language: en-US,en;q=0.8
 }}}
 The new [https://wordpress.org/plugins-wp/ Plugin Directory] doesn't show
 the locale banner, [source:sites/trunk/wordpress.org/public_html/wp-
 content/plugins/plugin-directory/api/routes/class-locale-
 banner.php?rev=4223&marks=203-205#L199 as expected].

 The WordPress.org home page shows a weird locale banner:
 > WordPress доступен и на вашем языке: [http://ru.wordpress.org/ Русский]
 (также [http://tt.wordpress.org/ Tatarça], , [http://az.wordpress.org/
 azərbaycan dili]).

 `<div id="lang-guess">WordPress доступен и на вашем языке: <a
 href="http://ru.wordpress.org/">Русский</a> (также <a
 href="http://tt.wordpress.org/">Tatarça</a>, <a
 href="http://sah.wordpress.org/"></a>, <a
 href="http://az.wordpress.org/">azərbaycan dili</a>).</div>`

 Two issues here:
 * sah.wordpress.org does not have a language name and results in an empty
 link.
 * Not sure why the banner is displayed for that `Accept-Language` header
 in the first place.

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Ticket URL: <https://meta.trac.wordpress.org/ticket/2517>
Making WordPress.org <https://meta.trac.wordpress.org/>
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