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-rw-r--r--pango/pango-types.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/pango/pango-types.h b/pango/pango-types.h
index 6a9ef191..59ecac0c 100644
--- a/pango/pango-types.h
+++ b/pango/pango-types.h
@@ -53,6 +53,8 @@ typedef guint32 PangoGlyph;
* That's unlikely to matter for practical use and the expression is much
* more compact and faster than alternatives that work exactly for both
* integers and floating point.
+ *
+ * PANGO_PIXELS also behaves differently for +512 and -512.
*/
int pango_units_from_double (double d) G_GNUC_CONST;