adding allow-none introspection metadata to pango_glyph_string_extents parameters

diff --git a/pango/glyphstring.c b/pango/glyphstring.c
index e407bd6..2d98e20 100644 (file)
--- a/pango/glyphstring.c
+++ b/pango/glyphstring.c
@@ -261,10 +261,10 @@ pango_glyph_string_extents_range (PangoGlyphString *glyphs,
  * pango_glyph_string_extents:
  * @glyphs:   a #PangoGlyphString
  * @font:     a #PangoFont
- * @ink_rect: rectangle used to store the extents of the glyph string as drawn
- *            or %NULL to indicate that the result is not needed.
- * @logical_rect: rectangle used to store the logical extents of the glyph string
- *            or %NULL to indicate that the result is not needed.
+ * @ink_rect: (allow-none): rectangle used to store the extents of the glyph string
+ *            as drawn or %NULL to indicate that the result is not needed.
+ * @logical_rect: (allow-none): rectangle used to store the logical extents of the
+ *            glyph string or %NULL to indicate that the result is not needed.
  *
  * Compute the logical and ink extents of a glyph string. See the documentation
  * for pango_font_get_glyph_extents() for details about the interpretation