Finishes a backward search started with gtk_source_search_context_backward_async().
a #GAsyncResult.
return location for start of match, or %NULL.
return location for end of match, or %NULL.
Return: whether a match was found.
Deprecated: Use gtk_source_search_context_backward_finish2() instead.
GException on failure.
3.10
See Implementation
Finishes a backward search started with gtk_source_search_context_backward_async().