I think this might be a step in the right direction:
http://codex.wordpress.org/Plugin_API/Filter_Reference
Specifically the the_editor_content filter which is “applied to post content before putting it into a rich editor window.”
Sorry I can’t flesh it out more for you but I am just starting to play around with filters myself and have miles to go before I can be useful.
Related Posts:
- Why did multiple line breaks stop working in text editor?
- When switching from html to visual editor the tag gets corrupted
- How can I stop TinyMCE from converting my HTML entities to characters?
- Add Shortcode inline inside Gutenberg block
- TinyMCE editor – new lines not rendered on front end
- WordPress tinymce prints empty P tag and break html format
- WP 3.3 my rich text category editor toolbar is gone!
- Add table controls with wp_editor minimal editor configuration (‘teeny’)
- TinyMCE Plugin Parameter
- Add table button in editor without Plugin
- Our shortcode dropdown box in Tinymce is not working in WordPress 3.9?
- Custom TinyMCE style formats disabled
- Add buttons to the new TinyMCE WP Editor. Javascript API
- Is it possible to disable the image alignment options in the post editor?
- How to dynamically generate wordpress editor on frontend?
- Change syntax styling of TinyMCE HTML Text Editor
- More than one TinyMCE (wp_editor) with different $settings[‘drag_drop_upload’] values breaks
- Why is the media upload button not in the main toolbar & can it be placed there instead?
- Adding CSS to admin TinyMCE editor for custom button
- How can a TinyMCE modal return formatted/visual text?
- Allowing style tag in TinyMCE editor
- TinyMCE Advances is removing blanks (” “)
- Why Editor reformats my code
- enable TinyMCE for comment forms
- Best Browser for Editing Posts
- TinyMCE strips off the href tag inside span, if i change from text to visual
- Adding a Media Button to the WordPress Content Editor
- Wordpres Tinymce custom button (Gavick guide)
- Error in backend: Failed to load plugin: tabfocus from url
- Preserve indentation, HTML5 shorthand in editor
- `tinyMCE is not defined` after migrating site to server
- Custom shortcode editor [BackboneJS & TinyMCE)
- How do I separate my theme’s styles from editor styles?
- Problem with Line spacing in wysiwyg editor in WP 3.5.1
- How to add placeholder in wp_editor?
- How to add “Insert/Edit link” button in custom popup tinymce window?
- How to disable TinyMCE from removing span tags
- WordPress automatically adding ” “?
- Forcing reload of editor-style.css
- How to get the input of a TinyMCE editor when using on the front-end?
- Enqueue Script After TinyMCE initialized
- How to add multiple buttons to TinyMCE?
- Unable to add “code” button to TinyMCE toolbar
- WordPress 3.2 has broken my TinyMCE code
- wp_editor disable after reaching character count limit
- Is it possible to re-use the image details popup?
- How to add a class to ul tags created by the WordPress editor Tinymce?
- Add unique class or ID information to tinyMCE
- Is it possible to create nested lists in the WYSIWYG editor?
- Add a button to tinyMCE editor on Custom Post Type
- HTML5, WordPress and Tiny MCE issue – wrapping anchor tag around div results in funky output
- Apply custom style to single word in WordPress
- TinyMCE Editor Set Default Tab
- Registering custom TinyMCE buttons, for admin area, to work with custom instances of wp_editor
- Adding TinyMCE custom buttons when using teeny_mce_before_init
- Disabling TinyMCE keyboard shortcuts altogether
- TinyMCE strips line breaks on mceAddControl
- Should the WP post editor B (bold) button be inserting a tag instead of in HTML5?
- TinyMCE Editor removing and and putting instead
- TinyMce in WordPress – Getting the “fullscreen” button to stay on the right when customising button layout
- Add TinyMCE editor to windowManager textbox
- unwanted and tags in text editor
- WordPress editor strips out anchor tags when they appear on their own line
- Sortable WYSIWYG editor
- How can I enable a TINYMCE rich text editor in the admin interface?
- Limit Block format tags in WordPress wp_editor
- Custom settings page TinyMce: no formatting when echoing value of editor
- the_editor() function
- How to reset ‘Advance’ tab on table property?
- Add drop down in wordpress tiny mce editor pop up
- Prevent the Editor From Moving My
- TinyMCE Advanced list type drop-down
- editor text cut off when using 2 spaces (after periods)
- Advanced tinyMCE insert link error [closed]
- wp_editor not modify html tags of initial content
- Stop TinyMCE from deleting empty HTML tags
- Auto embeding Vimeo/Youtube in custom fields (tinyMCE editor)
- Visual composer causing conflict with TinyMCE [closed]
- Overriding TinyMCE buttons – Justify button shortcodes not working
- WP Editor: Keep Bold, Underline, etc. but ignore color
- TinyMCE 4 & wp_editor multiple editor issue
- How to remove buttons from tinyMCE in wp_editor added via AJAX
- TinyMCE invalid nested list markup
- Unable to save Theme Options when TinyMCE is enabled for the text area
- Using wp_editor() when not logged stopped working
- How can I change TinyMCE’s default block format?
- Remove MS Word comments from pasted text
- How to have html in TinyMce “Text” tab properly indented and highlighted
- TinyMCE adds a after a HR
- How to remove “justifyfull” in TinyMCE
- Filter html of WordPress editor in visual mode only
- Localize tinymce in WordPress 3.9?
- How to integrate a different (JavaScript) editor in WordPress?
- Get the More QuickTag button back
- TinyMCE buttons broken
- Preventing tinyMCE from auto formatting selected blocks of content
- WordPress 4.5 Inline Link Toolbar not working on custom wp_editor instance
- How can I replace the built in WordPress editor?
- How to create custom toggle button in tinymce?
- How to load TinyMce cloud editor in WordPress with wp_editor()?