Returns the previous GtkSourceMark in the buffer or NULL if the mark was not added to a buffer. If there is no previous mark, NULL is returned. If category is NULL, looks for marks of any category Since 2.2
a string specifying the mark category, or NULL.
the previous GtkSourceMark, or NULL. [transfer none]
See Implementation
Returns the previous GtkSourceMark in the buffer or NULL if the mark was not added to a buffer. If there is no previous mark, NULL is returned. If category is NULL, looks for marks of any category Since 2.2