Re: [PATCH] Unicode Lisp reader escapes

[Richard Stallman]

    > One other question occurs to me.  In the Unicode branch,
    > doesn't \x do this job?  If so, \u would be redundant once we
    > merge in that code.  It would have no lasting purpose.

    There would still be a conceptual difference. \x refers to the
    internal representation of a character in Emacs, while \u refers to an
    abstract character.

If \xabcd and \uabcd will forever be equivalent, I don't see
much benefit in having syntax to indicate the conceptual difference.