Re: Lisp reader bug

[Kim F. Storm]

Kenichi Handa <address@hidden> writes:

> Emacs of CVS HEAD has a bug in Lisp reader.  For instance,
> 
> (read (format "'%c" (decode-char 'ucs #x102)))
> => (quote )
> 
> I'm not sure, but perhaps this change is the cause.
> 
> 2003-02-18  Kim F. Storm  <address@hidden>
> 
>       * lread.c (read1): Fix last change.
>       "`" is not always special.  Allow "?" after a character constant.
> 
> This change adds codes something like this (total 4 places):
> 
>         || index ("\"';([#?", next_next_char)
> 
> but, it seems that `index' doesn't work well if the second
> arg is greater than 0xFF.  Actually, if I change such lines
> to:
> 
>         || (next_next_char < 0x100 && index ("\"';([#?", next_next_char))
> 
> the bug disappears.
> 
> Kim, could you take a look at this problem?

I'm not aware of that limitation in `index' (it is not documented),
but if that's the case, your fix is appropriate...  Please install it
if not already done.

-- 
Kim F. Storm <address@hidden> http://www.cua.dk