EDIT

remove the remove button for the selection and first implementation for removing intext reference

fix problem of html parsing

merge target for richtext and 4.9

smaller changes in AbstractFormSection

ref #6905, #6597 Fix potential NPE

ref #6905, #6597 Adjust visibility

ref #6905, #6597 Fix potential NPE

ref #6905, #6597 further improvement on selection evaluation

ref #6905, #6597 refactor selectionChanged() method

ref #6905, #6597 Allow saving of editor when view is active