[Coco] Drive letter issue in paths with toolshed os9 copy command on Windows

[Allen Huffman]

> On Sep 28, 2016, at 8:37 AM, tim lindner <tlindner at macmess.org> wrote:
> Off the top of my head we can:
> 
> 1. Change the sub-disk delimiter for all platforms.
> 
> 2. Change the sub-disk delimiter for Windows only. Leave it a colon on *nix.
> 
> 3. Allow a new character to denote a drive letter.
> 
> 4. Ignore the colon when there is a colon-backslash two character
> sequence. This works because, I think, a number is mandatory after a
> sub-disk specification.

#4 sounds like the most user-friendly solution. Does it currently make use of other "DOS ONLY", "UNIX ONLY" type things?

		-- Allen