tinymce/tinymce — pull request #343 by ryandemmer (2014-03-14 16:44:54+00:00)
Title: Prevent ForceBlocks processing elements with data-mce-type attribute

As in - https://github.com/tinymce/tinymce/blob/master/js/tinymce/classes/html/DomParser.js#L318 - prevent ForceBlocks from processing nodes that have a data-mce-type attribute.