DOC-3189: Add new options for preserving MathML elements and attributes in the Math plugin#3681

kemister85 merged 6 commits intofeature/7.8.0/DOC-3131tinymce/tinymce-docs:feature/7.8.0/DOC-3131from

feature/7.8.0/DOC-3131_TINY-11756tinymce/tinymce-docs:feature/7.8.0/DOC-3131_TINY-11756Copy head branch name to clipboard