Copies text, tags, and paintables between
end and inserts the copy at
The order of
end doesn’t matter.
Used instead of simply getting/inserting text because it preserves images and tags. If
end are in a
different buffer from this, the two buffers must share the same tag table.
Implemented via emissions of the insert_text and apply_tag signals, so expect those.
a position in this
a position in a `GtkTextBuffer`
another position in the same buffer as