+/* Flag bits in a character. These also get used in termhooks.h.
+ Richard Stallman <rms@gnu.ai.mit.edu> thinks that MULE
+ (MUlti-Lingual Emacs) might need 18 bits for the character value
+ itself, so we probably shouldn't use any bits lower than 0x040000. */
+#define CHAR_ALT (0x040000)
+#define CHAR_SUPER (0x080000)
+#define CHAR_HYPER (0x100000)
+#define CHAR_SHIFT (0x200000)
+#define CHAR_CTL (0x400000)
+#define CHAR_META (0x800000)
+
+\f
+/* The glyph datatype, used to represent characters on the display. */
+
+/* The low eight bits are the character code, and the bits above them
+ are the numeric face ID. If FID is the face ID of a glyph on a
+ frame F, then F->display.x->faces[FID] contains the description of
+ that face. This is an int instead of a short, so we can support a
+ good bunch of face ID's; given that we have no mechanism for
+ tossing unused frame face ID's yet, we'll probably run out of 255
+ pretty quickly. */
+#define GLYPH unsigned int
+
+/* Given a character code and a face ID, return the appropriate glyph. */
+#define MAKE_GLYPH(char, face) ((char) | ((face) << 8))
+
+/* Return a glyph's character code. */
+#define GLYPH_CHAR(glyph) ((glyph) & 0xff)
+
+/* Return a glyph's face ID. */
+#define GLYPH_FACE(glyph) (((glyph) >> 8) & 0xff)