Hi Tim,
If you want to limit the functionality of the rte editor, just create a new datatype, call it 'Minimalistic editor', choose TinyMCE wysiwyg as render control as hit 'Save'. After saving, you'll get a bunch of new options to set. Just add those options you wish to add. Instead of using the 'Rich Text Editor' when creating a new property, you can use the newly created datatype. Editors will only get those options.
Hope that helps.
Regards,
/Dirk
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