bug#13936: Default to UTF-8 for most Emacs source files

[Stefan Monnier]

>> For a file like TUTORIAL.ja, the Local Variables: section
>> can specify a preferred charset.  Wouldn't this address the issue for
>> non-Japanese users?  Something like this, say:
>> 
>> ;;; Local Variables:
>> ;;; coding: utf-8
>> ;;; eval: (set-charset-priority 'japanese-jisx0208)

We could indeed do something like that in those cases where the
preferred charset is the same for the whole file.
[ Tho with only 2 semi-colons on each line, please.  ]

> That relies on enable-local-eval.  The default is to query, which is not
> a good thing for a tutorial.

That can easily be changed if we decide it's a good solution.


        Stefan