#define FC_DPI "dpi" /* double */
#define FC_RGBA "rgba" /* Int */
#define FC_MINSPACE "minspace" /* Bool use minimum line spacing */
-#define FC_SOURCE "source" /* String (X11, freetype) */
+#define FC_SOURCE "source" /* String (deprecated) */
#define FC_CHARSET "charset" /* CharSet */
#define FC_LANG "lang" /* String RFC 3066 langs */
#define FC_FONTVERSION "fontversion" /* Int from 'head' table */