*/
struct _GtkTextLineSegment {
- GtkTextLineSegmentClass *type; /* Pointer to record describing
- * segment's type. */
- GtkTextLineSegment *next; /* Next in list of segments for this
- * line, or NULL for end of list. */
+ const GtkTextLineSegmentClass *type; /* Pointer to record describing
+ * segment's type. */
+ GtkTextLineSegment *next; /* Next in list of segments for this
+ * line, or NULL for end of list. */
int char_count; /* # of chars of index space occupied */