> I gather the reason for using the X trick *and* the quotes is because there
> might be some whitespace in there, too.

Actually, that's mostly just historical legacy.  When the quotes, it's
safe even if the expansion is empty or contains whitespace.  I got
kinda annoyed with this last night and did the following:

      http://www.freebsd.org/~jkh/etc.diffs.fix-it-right

Which I've sent to Sheldon for review but haven't heard anything
back from him yet.

- Jordan


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