On Tuesday, April 1, 2014 6:59:52 PM UTC-5, [email protected] wrote:
> > > An alternative to ZyX's suggestion of using the "scriptencoding" command 
> > > to tell Vim what encoding to read the vimrc in, you could also use the 
> > > codepoint value in a string to set the listchars:
> > 
> > let &listchars="eol:\u00B6"
> 
> This works, but only for the first setting.  I tried a few permutations using 
> the '.' concatenation operator, but couldn't get it right.  What's the 
> correct syntax?

You can do the same thing to the rest of the special characters in the string.

You said you wanted this string: 
eol:¶,tab:\|,trail:•,extends:»,precedes:«,nbsp:×

So you could use:

let 
&listchars="eol:\u00b6,tab:|,trail:\u2022,extends:\u00bb,precedes:\u00ab,nbsp:\u00d7"

There I replaced each special character with the corresponding codepoint and 
your .vimrc can actually be encoded in Latin1 or some similar default encoding 
if needed.

Side note, to generate this I took your desired string, added a trailing comma 
to simplify the regex, and did this:

  :s#:\(.\),#\=':\u'.printf('%04x', char2nr(submatch(1))).','#g

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