Deletes all editable text in the given range.
Calls gtk.text_buffer.TextBuffer.delete_ for each editable sub-range of [start,end). start and end are revalidated to point to the location of the last deleted range, or left untouched if no text was deleted.
start of range to delete
end of range
whether the buffer is editable by default
whether some text was actually deleted
Deletes all editable text in the given range.
Calls gtk.text_buffer.TextBuffer.delete_ for each editable sub-range of [start,end). start and end are revalidated to point to the location of the last deleted range, or left untouched if no text was deleted.