Moves iter to the position of the next gsv.SourceMark of the given category. Returns TRUE if iter was moved. If category is NULL, the next source mark can be of any category.
an iterator.
category to search for, or NULL
whether iter was moved.
2.2
Moves iter to the position of the next gsv.SourceMark of the given category. Returns TRUE if iter was moved. If category is NULL, the next source mark can be of any category.