Path: utzoo!mnetor!tmsoft!torsqnt!lethe!yunexus!ists!helios.physics.utoronto.ca!news-server.csri.toronto.edu!cs.utexas.edu!hellgate.utah.edu!csn!pikes!aspen.craycos.com!pmk
From: pmk@craycos.com (Peter Klausler)
Newsgroups: comp.lang.fortran
Subject: SAVE and DATA
Message-ID: <1991Feb19.163148.7204@craycos.com>
Date: 19 Feb 91 16:31:48 GMT
Organization: Cray Computer Corporation
Lines: 15

Last week, I posted a note stating that DATA-initialized variables do not
require a SAVE statement to survive between invocations of a subprogram.
Several respondents and e-mail correspondents have pointed out to me that
this is NOT the case in the '77 standard. (There's nothing like posting
misinformation to flush old friends out of the woodwork. You may assume
that to be my motive the next time I'm wrong...)

The relevant paragraphs are those at the end of page 8-11 in the standard.
I did peruse the standard before posting, but missed this text. My confusion
stemmed from having worked with (and on) implementations in which DATA
initialization causes static storage to be used for a variable.

I would like to know of implementations of Fortran in which one can actually get
into trouble by assuming DATA implies SAVE in one's program, and why, in terms
of the implementation.