bug#47456: 27.1; emacs hangs using aspell in auctex

[Eli Zaretskii]

> From: Brian Elmegaard <be@mek.dtu.dk>
> CC: "47456@debbugs.gnu.org" <47456@debbugs.gnu.org>
> Date: Tue, 30 Mar 2021 09:35:48 +0000
> 
> No, I meant that hunspell 1.7 only worked in emacs if I set the DICTIONARY 
> environment variable. 
> 
> I tried the following in eshell. 
> 
> Without DICTIONARY set in .emacs I get an error:
> ------------
> Welcome to the Emacs shell
> 
> c:/Users/brel/Documents $ (ispell-find-hunspell-dictionaries)
> Can't find Hunspell dictionary with a .aff affix file
> c:/Users/brel/Documents $ setenv DICTIONARY en_US
> en_US
> c:/Users/brel/Documents $ (ispell-find-hunspell-dictionaries)
> Can't find Hunspell dictionary with a .aff affix file
> -------------------------------

What does the following produce when you type it from the cmd prompt?

  hunspell -D -a nul