doc: Add missing region documentation

1 files changed, 13 insertions, 0 deletions

diff --git a/src/cairo.h b/src/cairo.h
index 3019222d0..02b4b6da8 100644
--- a/src/cairo.h
+++ b/src/cairo.h
@@ -2601,6 +2601,19 @@ cairo_matrix_transform_point (const cairo_matrix_t *matrix,
 
 /* Region functions */
 
+/**
+ * cairo_region_t:
+ *
+ * A #cairo_region_t represents a set of integer-aligned rectangles.
+ *
+ * It allows set-theoretical operations like cairo_region_union() and
+ * cairo_region_intersect() to be performed on them.
+ *
+ * Memory management of #cairo_region_t is done with
+ * cairo_region_reference() and cairo_region_destroy().
+ *
+ * Since: 1.10
+ **/
 typedef struct _cairo_region cairo_region_t;
 
 /**