bug#2554: 23.0.90; How to set default ispell dictionary isn't documented?

[Stefan Monnier]

> I only use ispell for German, so it's inconvenient to use 'M-x
> ispell-change-dictionary <RET> DICT <RET>' every time.

> The manual (info "(emacs)Spelling") doesn't explain how to set default
> ispell dictionary ('ispell-dictionary'?) for all buffers / for every
> Emacs session.

I believe the intention is that you should set the default dictionary
outside of Emacs.  Not sure how to do that, tho.


        Stefan