Returns the next GtkSourceMark in the buffer or %NULL if the mark was not added to a buffer.
If there is no next mark, %NULL will be returned.
If @category is %NULL, looks for marks of any category.
a string specifying the mark category, or %NULL.
the next #GtkSourceMark, or %NULL.
See Implementation
Returns the next GtkSourceMark in the buffer or %NULL if the mark was not added to a buffer.
If there is no next mark, %NULL will be returned.
If @category is %NULL, looks for marks of any category.