Update 'head' table to OpenType 1.6

diff --git a/src/hb-ot-head-private.hh b/src/hb-ot-head-private.hh
index 56a5861..3a4bbbf 100644 (file)
--- a/src/hb-ot-head-private.hh
+++ b/src/hb-ot-head-private.hh
@@ -100,7 +100,13 @@ struct head
                                         *   for rendering should not be considered optimized
                                         *   for ClearType, and therefore should keep this bit
                                         *   cleared.
-                                        * Bit 14: Reserved, set to 0
+                                        * Bit 14: Last Resort font. If set, indicates that
+                                        * the glyphs encoded in the cmap subtables are simply
+                                        * generic symbolic representations of code point
+                                        * ranges and don’t truly represent support for those
+                                        * code points. If unset, indicates that the glyphs
+                                        * encoded in the cmap subtables represent proper
+                                        * support for those code points.
                                         * Bit 15: Reserved, set to 0. */
   USHORT       unitsPerEm;             /* Valid range is from 16 to 16384. This value
                                         * should be a power of 2 for fonts that have