[wp-trac] [WordPress Trac] #40812: Allow wp-login.php page title separator to be filtered

[WordPress Trac]

#40812: Allow wp-login.php page title separator to be filtered
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 Reporter:  henry.wright            |       Owner:
     Type:  enhancement             |      Status:  new
 Priority:  normal                  |   Milestone:  Future Release
Component:  Login and Registration  |     Version:
 Severity:  normal                  |  Resolution:
 Keywords:  needs-patch             |     Focuses:
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Changes (by SergeyBiryukov):

 * keywords:  has-patch dev-feedback => needs-patch


Comment:

 Replying to [comment:3 SergeyBiryukov]:
 > We should either apply the `document_title_separator` filter to the
 `$separator` variable, or (preferably) make the login page use
 `wp_get_document_title()`, which would solve both this ticket and #40814.

 On second thought, both `document_title_separator` and
 `wp_get_document_title()` only apply to front-end pages.

 I think login page is a part of the admin rather than front-end. Admin
 pages use `‹` as a separator, and it's a part of a
 [source:tags/4.8.2/src/wp-admin/admin-header.php?marks=50#L28 translatable
 string], so that RTL locales could translate it to `›`.

 We could use the same approach on login page and apply the `admin_title`
 filter there, but that would lead to fatal errors if a plugin calls
 `get_current_screen()` on `admin_title`, because it's not available on
 login page.

 So I guess a new filter, `login_title`, should be introduced.

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Ticket URL: <https://core.trac.wordpress.org/ticket/40812#comment:16>
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