bug#34272: 26.1.91 M-x flyspell-mode

[Eli Zaretskii]

> From: Tak Kunihiro <homeros.misasa@gmail.com>
> Date: Fri, 01 Feb 2019 22:54:05 +0900
> Cc: tkk@misasa.okayama-u.ac.jp
> 
> I cannot start flyspell-mode on GNU Emacs 26.1.91 (build 1, 
> x86_64-w64-mingw32).
> I can    start flyspell-mode on GNU Emacs 26.1 (build 1, x86_64-w64-mingw32)
> I wonder if this is something to do with 26.1.91.
> 
> CMD> c:/msys64/mingw64/bin/hunspell.exe --version
> @(#) International Ispell Version 3.2.06 (but really Hunspell 1.6.2)
> 
> GNU Emacs 26.1.91 (build 1, x86_64-w64-mingw32)
> CMD> runemacs -Q
> 
> M-: (with-eval-after-load "ispell"
>         (ispell-change-dictionary "en_US" t))
> M-: (setq ispell-program-name "c:/msys64/mingw64/bin/hunspell.exe"
>           ispell-local-dictionary "en_US"
>           ispell-local-dictionary-alist
>           '(("en_US" "[[:alpha:]]" "[^[:alpha:]]" "[']" nil ("-d" "en_US") 
> nil utf-8)))
> M-x flyspell-mode
>   Error enabling Flyspell mode:
>    (stringp nil)

Please show the output of the following 2 commands from the Windows
cmd shell's prompt:

  c:\msys64\mingw64\bin\hunspell.exe -D nul
  c:\msys64\mingw64\bin\hunspell.exe -D

Thanks.