Returns %TRUE if some text is selected; places the bounds
of the selection in @start and @end.
If the selection has length 0, then @start and @end are filled
in with the same value. @start and @end will be in ascending order.
If @start and @end are %NULL, then they are not filled in, but the
return value still indicates whether text is selected.
Returns %TRUE if some text is selected; places the bounds of the selection in @start and @end.
If the selection has length 0, then @start and @end are filled in with the same value. @start and @end will be in ascending order. If @start and @end are %NULL, then they are not filled in, but the return value still indicates whether text is selected.