Duy Nguyen <pclo...@gmail.com> writes: > FWIW I don't have any preference, as long as the variable can still > have a name (that is not a symbol).
Same here. > A side question regardless of syntax. What do we do with > %(unrecognized name)/foo? I see three options > > - expand to empty, so "/foo" > - keep it and try the literal path "%(unrecognized name)/foo" Neither of these is good for future proofing purposes. > - somehow tell the caller that the path is invalid and treat it like > non-existing path, even if there is some real thing at "%(unrecognized > name)/foo" Another thing to worry about is how to spell the real thing that has such a funny name, perhaps by escaping like "%%(unrecognized name)/foo". And from that point of view, "~runtime-prefix~/foo" (i.e. what J6t started) may make the most sense, as I do not think we need to support a username that ends with a tilde by introducing a quoting convention.
