File matching enhancements

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#1
1/ Directory search enhancement
When the attribute selection specifies that only directories are to be
reported, i.e., either the D or the L attribute are required, we need an
option to report the matching directory itself, not its contents (but
recursing into it to locate matching subdirectories, if appropriate).

2/ Drive wildcard
Magellan from long-dead Lotus back in 1990 allowed * or ? in the drive
field of file specification to specify matching the rest of the
specification on all drives.

3/ Path wildcard (also from Magellan)
A parser enhancement explained by example:

f:\*\backup match any directory entry on any path with name "backup"
f:\*\x?z\*\*.* match any file if its path passes through a subdirectory
with a name matching x?z

Come to think of it, I think I have requested 2/ and 3/ in 4DOS days!
--
Steve