/* The next four modifier bits are used also in keyboard events at
the Lisp level.
- It's probably not the greatest idea to use the 2^23 bit for any
+ It's probably not the greatest idea to use the 2^28 bit for any
modifier. It may or may not be the sign bit, depending on
- VALBITS, so using it to represent a modifier key means that
+ FIXNUM_BITS, so using it to represent a modifier key means that
characters thus modified have different integer equivalents
depending on the architecture they're running on. Oh, and
- applying XINT to a character whose 2^23 bit is set sign-extends
+ applying XINT to a character whose 2^28 bit is set might sign-extend
it, so you get a bunch of bits in the mask you didn't want.
The CHAR_ macros are defined in lisp.h. */