[wp-trac] [WordPress Trac] #48996: Add lang attribute to the content in the backend

[WordPress Trac]

#48996: Add lang attribute to the content in the backend
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 Reporter:  Chouby             |       Owner:  (none)
     Type:  defect (bug)       |      Status:  new
 Priority:  normal             |   Milestone:  Awaiting Review
Component:  I18N               |     Version:  4.7
 Severity:  normal             |  Resolution:
 Keywords:  reporter-feedback  |     Focuses:  accessibility
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Comment (by sabernhardt):

 I see: this would accommodate a single-language site where an editor
 prefers/needs a different language in the backend, and a filter would also
 help plugins make adjustments for multi-lingual sites.

 So far, I noticed that we should replace the `aria-label` for a post title
 link (perhaps using screen-reader-text `span` instead?). The label
 currently contains both the post's language (English in following example)
 and the editor's preferred language (French):
 {{{
 <a class="row-title" href="http://localhost/wp3/wp-
 admin/post.php?post=1&action=edit" aria-label="« Hello
 world! » (Modifier)">Hello world!</a>
 }}}
 (The same also occurs on Pages, Categories and Tags title/name links.)

 Below is a list of items that could be addressed with customized `lang`
 attributes (likely not complete). For this ticket, we might want to focus
 on the Posts list, and then reuse the filter for any other category we
 want to tackle on another ticket.

 Posts list (verify changes also affect Pages list and Custom Posts list)

 1. Post title link
 2. Links for categories, tags, and custom taxonomy terms
 3. Content added to other columns (usually by a plugin), such as page
 titles and meta descriptions

 Media Editor input fields

 1. Image alt text
 2. Caption
 3. Description

 Taxonomy screens

 1. Names and descriptions for any categories, tags and custom taxonomies

 Menus and Widgets

 1. Menu item names in `menu-item-title` span and `edit-menu-item-title`
 input, post titles in post list, "original" links
 2. Menu item description
 3. Widget titles
 4. Text widget content (maybe another widget as well, but supporting all
 widgets could be tricky)

 Comments

 Setting these to the post's language would not be correct for every
 comment, though it might be correct often enough to implement the change.
 (Of course, allowing commenters to set their comment's language would be
 helpful on the frontend, too, if we want to open a separate ticket to
 explore that later.)

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Ticket URL: <https://core.trac.wordpress.org/ticket/48996#comment:3>
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