How to prevent WordPress CodeEditor adding fake closing tags that corrupt the page?

Related Posts:

1. prevent wordpress from rendering line breaks as br tags
2. Removing buttons from the html editor
3. why do HTML Comments in the WYSIWYG break the page display?
4. Contents of HTML editor mangled after multiple UPDATES
5. functional quicktag
6. How to process html editor whole content of a single post
7. pop-up options for custom quicktags
8. Remove TEXT EDITOR form page [duplicate]
9. Create keyboard shortcuts for HTML mode
10. How can I create an alternate full-HTML editor for posts?
11. Adding Html in text editor automagically adds undesirable paragraphs when publishing
12. How can you change the non-visual editor’s background color?
13. I have a question in Basic HTML [closed]
14. Why is `–` converted into ndash and how can I get rid of it?
15. unexpected   added in HTML at each update [closed]
16. WordPress adding in anchor elements when I save a page in html editor
17. Set or change default text in hyperlink popup in post editor
18. How to use “Add link” pop up for a WordPress widget
19. WordPress Visual Editor Stripping HTML Changes
20. Hide “Add media”, HTML editor from TinyMCE
21. How to replace the content of tinyMCE editor in both text and visual mode using jQuery?
22. Add quicktag buttons to the HTML editor
23. Stop WordPress From Removing HTML Comments In Content
24. Can I force WordPress to use instead of ?
25. Enable / Add Custom Keyboard Shortcuts To Work With WordPress’ HTML Editor
26. serialize_blocks breaking html tags in content
27. Prevent WordPress from adding linebreaks to javascript embedded in a page
28. Where can I find the code how wordpress parses a post?
29. WP Editor strips input placeholder attribute
30. how to make stylesheet appear in theme editor?
31. data-accordion removed in Visual Editor
32. How to make WordPress and TinyMCE accept tags wrapping block-level elements as allowed in HTML5?
33. How to add JavaScript code on WordPress properly?
34. Why does the custom HTML block not preserve the HTML characters?
35. WordPress tinymce prints empty P tag and break html format
36. How-to stop wordpress from saving utf8 non-breaking space characters
37. Exclude file from theme editor
38. How To Hide The Visual And Html Editor Completely?
39. How can I control the HTML output of my post?
40. unwanted and tags in text editor
41. Strange problems when I try to insert HTML\XML code snippet in my posts
42. Recommended tools for Theme Development with SASS [closed]
43. Preserving tabs and line breaks in when switching from HTML to Visual Editor
44. Can “ and “ tags be used in the HTML editor?
45. How to display php source code inside a post using visual editor?
46. Placeholder in HTML editor text area?
47. Custom settings page TinyMce: no formatting when echoing value of editor
48. Gutenberg; Rich Text/HTML for Metadata Textarea Control in Back End
49. Prevent WordPress from messing my HTML
50. Visual/Text tabs in wp editor Not Showing
51. Selectively remove empty line after line change
52. Prevent the Editor From Moving My  
53. HTML editor accessing quicktag buttons
54. Text Editor Tags
55. How to Add Custom Button to Text(HTML) Editor and NOT Visual Editor
56. WordPress editor not creating tags properly in tables
57. Product Custom Fields with HTML and JS
58. Removing line breaks when in text view with wp_editor
59. Visual editor keeps stripping my tags
60. How to set wp_editor to be email friendly?
61. Inline Style attribute getting stripped off
62. Disable TinyMCE Table formatting width/height
63. In context click and edit: is it feasible?
64. How can I remove line breaks from manually formatted HTML?
65. How can I prevent WordPress to wrap into a paragragraph
66. How can I make the page editor trust me?
67. What is the correct syntax to append a URL using a shortcode for an iframe?
68. WordPress adding a to my anchor for Read More
69. Why does WordPress change a file’s permissions?
70. Can’t give tags rels
71. HTML tables in content areas
72. How can a TinyMCE modal return formatted/visual text?
73. Notion-like editing and layout with a convenient freeform collaborative editor in WordPress? [closed]
74. Problem with some keys when editing HTML in wordpress “text” editor
75. Why exactly does WordPress use p tags, not divs?
76. Visual composer causing conflict with TinyMCE [closed]
77. How to show the contants in front end same as visual editor with space / linebreak?
78. Edit box scrolls back to the top after updating post
79. Commenting out in HTML editor breaks template
80. qTranslate 2.5.28 and WordPress 3.3.1 issues [closed]
81. Using WP just to edit pages of an existing site
82. How to add custom HTML tags in the visual mode via keyboard only?
83. Adding a Media Button to the WordPress Content Editor
84. How do I prevent WordPress from eating my code?
85. Classic TinyMCE messing up only Contributor’s HTML
86. Locating the HTML piece of code in wordpress
87. How to create different gallery-types and let the editor choose between them?
88. Why is every single HTML tag being stripped out of liveblog entries?
89. Callback function quicktags that uses variable in start tag
90. Custom code in all text between ?
91. How to disable style filtering in post?
92. WYSIWYG with HTML source?
93. insert link in wordpress editor greyout whole screen?
94. Disable html in custom post types
95. Which subset of html does WordPress support?
96. image overlay on image not working in wordpress, but works in “normal html editors”
97. WordPress HTML editor panel is not showing HTML elements
98. Add Custom CSS Class in Child Theme [closed]
99. How Do I Add HTML Support to the Additional Category Description Field?
100. WordPress “HTML editor” which doesn’t trash hand-coded HTML?