General 

Allow web page adjustments before editing

Make elements still selectable after Hide

Reinstate select boxes after Undo

Do not ask about saving edits on Close

Ask about unloading page only if not saved

Show line breaks when Text Pieces enabled

 Save MHTML 

Purge deleted elements (and images)

Purge hidden images

Purge style sheets (CSS)

 Boxes 

Wider border for highlight and select boxes

Shaded background for select boxes

Snap capture box start point to web page edge