[wp-trac] [WordPress Trac] #32425: Update WP_Editors and TinyMCE initialization

[WordPress Trac]

#32425: Update WP_Editors and TinyMCE initialization
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 Reporter:  azaozz       |       Owner:
     Type:  enhancement  |      Status:  new
 Priority:  normal       |   Milestone:  4.3
Component:  TinyMCE      |     Version:
 Severity:  normal       |  Resolution:
 Keywords:  has-patch    |     Focuses:
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Changes (by azaozz):

 * keywords:   => has-patch


Comment:

 In 32425.patch:
 - Replace `wp_richedit_pre()` and `wp_htmledit_pre()` with
 `format_for_editor()`. Deprecate the old functions and filters. Add back-
 compat for the filters. The new function only runs the content through
 `htmlspecialchars()`, same as `wp_htmledit_pre()`. If TinyMCE is loaded
 first, the content is run through the JS wpautop() on initializing the
 editor.
 - Update editor.js to use `tinymce.$`.
 - Update WP_Editors, remove the unneeded filter swapping and add some more
 escaping.
 - When Quicktags is used, add the toolbar div from PHP. This stops the
 Text editor from "jumping" on page load.

 Still to do: maybe move the JS `wpautop()` and `preWpautop()` to the
 'wordpress' TinyMCE plugin so they are available without needing to load
 editor.js. That makes it a bit easier/cleaner to use only TinyMCE.
 Alternatively we can add them in the same file as the plugin but without
 being a part of it, then define them in something like `tinymce.wp.*`.
 Also wondering about the back-compat for the jQuery events on running the
 content through wpautop and preWpautop.

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Ticket URL: <https://core.trac.wordpress.org/ticket/32425#comment:1>
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