6 character external identifiers

[brennan at iuvax.UUCP]

Why not make the filter transparent to the user?
Make the standard 32 characters dualcase unique and let
the implementations that have sub-standard linkers use
a filter to map symbols.   Would this make symbolic
debugging that much harder??  I don't think so.
The Eunice C compiler does exactly this!  VMS allows
32 characters, but monocase.  And the mapping is not
very straightforward.

BufNameFree ->  BUFNAMEFREE_884000X
BufName	    ->  BUFNAMES_090000X

(I'll let you figure it on your own.)

I don't find this to be a problem when debugging.
And you have to do a lot of debugging under Eunice ;-)

JD Brennan
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