Calls gtk_text_iter_backward_sentence_start() up to @count times, or until it returns %FALSE. If @count is negative, moves forward instead of backward.
number of sentences to move
%TRUE if @iter moved and is not the end iterator
See Implementation
Calls gtk_text_iter_backward_sentence_start() up to @count times, or until it returns %FALSE. If @count is negative, moves forward instead of backward.