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. Since 2.2
a string specifying the mark category, or NULL. [allow-none]
the next GtkSourceMark, or NULL. [transfer none]
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. Since 2.2