Re: Entering filenames with spaces

[Juri Linkov]

> It's true that function names and variable names are normally
> spaceless, but that's not true for buffer names, menu items, or
> names in general.  Completion is about completing input by matching
> it against _strings_ (including symbol names).  The completion
> mechanism is perfectly general, and it could be argued that it
> should treat all strings equally.  That is, all printable chars
> should be self-insertable.  I argued this for `?'  previously, but
> that was rejected.

I think you are right.  This is not strictly filename specific.
Spaces and question marks can occur in non-file completion strings
including buffer names, Info index items, function names.
And these characters used for completion are not user-friendly:
just imagine an Emacs novice trying to find an Info index starting
with `?'.

-- 
Juri Linkov
http://www.jurta.org/emacs/