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- Newsgroups: comp.lang.fortran
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- From: klassen@sol.UVic.CA (Melvin Klassen)
- Subject: Re: How common are long variable names?
- Message-ID: <1992Dec12.231501.12788@sol.UVic.CA>
- Sender: news@sol.UVic.CA
- Nntp-Posting-Host: sol.uvic.ca
- Organization: University of Victoria, Victoria, B.C. CANADA
- Date: Sat, 12 Dec 92 23:15:01 GMT
- Lines: 22
-
- Dr. Kenneth H. Fairfield <fairfield@slacvx.slac.stanford.edu> writes:
- > My posting was in sympathy to J. Giles' (?) remark about compilers
- > which _accept_ long names but, in essence, don't _support_ them.
-
- IBM's compiler fully supports 31-character names, as fully as is possible
- on the specific platform (VM/CMS, MVS, AIX/370).
-
- > My personal opinion is that it would be better for them to say,
- > "We support long variable names,
- > but externals still need to be limited to 7 characters".
-
- Page 7 (in "Chapter 1. Language") of "VS FORTRAN Version 2, Language and
- Library Reference, Release 5" (SC26-4221-7) states:
- In CMS and MVS, if a global name is longer than seven characters,
- the first four and last three characters are used to form the
- external symbol. The external symbol is then used to identify
- the global entity. For example, ...
-
- In the "Release 3" edition (March 1988) of this manual,
- similarly-worded text appears on page 8.
-
- It seems clear to me!
-