|problems with identifiers and keywords... firstname.lastname@example.org (Micha) (2004-10-21)|
|Re: problems with identifiers and keywords... cfc@shell01.TheWorld.com (Chris F Clark) (2004-10-23)|
|Re: problems with identifiers and keywords... email@example.com (glen herrmannsfeldt) (2004-10-24)|
|Re: problems with identifiers and keywords... firstname.lastname@example.org (2004-11-06)|
|RE: PL/I parsers, was problems with identifiers and keywords... email@example.com (Tom Linden) (2004-11-14)|
|From:||"Tom Linden" <firstname.lastname@example.org>|
|Date:||14 Nov 2004 22:38:49 -0500|
|References:||04-10-148 04-10-170 04-10-174 04-11-012|
|Posted-Date:||14 Nov 2004 22:38:49 EST|
The Freiburghouse PL/I for Translation Systems, which formed the basis
of the PL/I compilers for all systems aside from IBM was a new
implementation from the Multics version.
Characterizing IBM PL/I as "more than ANSI" is misleading. That ANSI
definition is actually more rigorous, and unlike IBM did not have ad
hoc extensions. Although we own the VMS version of PL/I which also is
derived from the original Freiburghouse compiler, our UNIX version
actually implements ANSI, IBM (version 2.3) and Digital as separate
dialects. I chose to keep them separate.
>> I get the impression that there have only been two parsers written
>> for PL/I, the IBM one at Hursley and the Freiboughouse one originally
>> for Multics. I dunno how they work. -John]
>There is at least one other parser. ...
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