Hot answers tagged wp-editor
If you use Text editor, instead of Visual editor, you will add exactly the html code you wanted to add there. It has nothing to do with the PHP code you mentioned, just html from visual editor is transformed in the way you get it later (< and > and so on).
The solution was to use the fullpage plugin. See: http://www.tinymce.com/wiki.php/Plugin3x:fullpage
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