From mboxrd@z Thu Jan 1 00:00:00 1970 X-Spam-Checker-Version: SpamAssassin 3.4.4 (2020-01-24) on polar.synack.me X-Spam-Level: X-Spam-Status: No, score=-1.9 required=5.0 tests=BAYES_00 autolearn=ham autolearn_force=no version=3.4.4 X-Google-Language: ENGLISH,ASCII-7-bit X-Google-Thread: 103376,87555f9f9a68a23a X-Google-Attributes: gid103376,public X-Google-ArrivalTime: 2001-10-16 09:12:32 PST Newsgroups: comp.lang.ada Path: archiver1.google.com!news1.google.com!newsfeed.stanford.edu!news-spur1.maxwell.syr.edu!news.maxwell.syr.edu!feed2.onemain.com!feed1.onemain.com!uunet!dca.uu.net!ash.uu.net!xyzzy!nntp From: Jeffrey Carter Subject: Re: Caselessness... X-Nntp-Posting-Host: e246420.msc.az.boeing.com Content-Type: text/plain; charset=us-ascii Message-ID: <3BCC595A.9CDFBEE4@boeing.com> Sender: nntp@news.boeing.com (Boeing NNTP News Access) Content-Transfer-Encoding: 7bit Organization: The Boeing Company X-Accept-Language: en References: <3BCB2FDA.8060807@look.ca> <3BCB6EF6.C76D26FF@boeing.com> <3BCB7ADF.8F6EA596@easystreet.com> Mime-Version: 1.0 Date: Tue, 16 Oct 2001 15:59:22 GMT X-Mailer: Mozilla 4.73 [en]C-CCK-MCD Boeing Kit (WinNT; U) Xref: archiver1.google.com comp.lang.ada:14705 Date: 2001-10-16T15:59:22+00:00 List-Id: Al Christians wrote: > > Wasn't there originally a requirement to target some machines that > didn't support upper and lower case characters? For example, the > typical printer chains that were used on mainframe printers in the early > 1980's didn't have lower case characters on them at all. Case sensitive > would be a major debacle if a machine like that was used to print > code listings. There was a requirement to allow source to be represented on machines with a limited character set; for example, '%' could be used instead of '"', and ':' instead of '#' in based numeric literals; see Annex J and J.2 in particular. However, this did not make programs using '"' illegal, while a program with 2 identifiers identical except for case is illegal, so this doesn't appear to be the reason for case insensitivity. -- Jeffrey Carter