TEdit 5th round: MB.DELETE on a FIELD deletes the ImageObj but does not delete the PRELABEL, the POSTLABEL and the field value

[fghalasz]

Branch: rmk36--Tedit-fifth-round-2, Commit: 1bfaa03

MB.DELETE on a FIELD deletes the zero-width imageobj that marks the field insertion point, but it leaves the PRELABEL, the POSTLABEL, the {}, and any field value intact. The PRE and POSTLABELs and the {} remain protected and cannot be deleted.

Deletion of the zero-width imageobj confirmed by comparing before/after TEDIT.MAP.OBJECTS calls.

[rmkaplan]

This should be fixed in the last fifth-round commit. The pre and post labels are now part of the prefix and suffix image objects, so they go when the image objects go.