Re: ispell gives "Wrong type argument: stringp, nil"

[Kevin Rodgers <ihs_4664@yahoo.com>]

Peter Dyballa wrote:
 > Am 27.12.2005 um 07:55 schrieb Jeff D. Hamann:
 >
 >> With ispell (3.2.02 from
 >> http://www.fsci.fuk.kindai.ac.jp/aftp/pub/ptex/utils/ ) yields,
 >>
 >> Debugger entered--Lisp error: (wrong-type-argument stringp nil)
 >>   looking-at(nil)
 >>   ispell-get-word(nil)
 >>   ispell-word(nil nil nil)
 >>   call-interactively(ispell-word)
 >
 >
 > Here obviously the function looking-at() receives something bad:
 >
 >     looking-at is a built-in function in `C source code'.
 >     (looking-at regexp)
 >
 >     Return t if text after point matches regular expression regexp.
 >     This function modifies the match data that `match-beginning',
 >     `match-end' and `match-data' access; save and restore the match
 >     data if you want to preserve them.
 >
 > Could be you did not set up ispell-dictionary, ispell-program-name,
 > ispell-extra-args, or ispell-local-dictionary-alist in case
 > ispell-dictionary-alist is not sufficient?

That seems likely: ispell-get-word calls looking-at several times, with
the result of calling ispell-get-casechars and ispell-get-otherchars as
the REGEXP.  Those functions in turn depend on ispell-dictionary having
been set:  (assoc ispell-dictionary ispell-dictionary-alist)

-- 
Kevin