Flight booking systems still seem to be stuck with it, even newer fields like em... | Hacker News

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		flukus on Dec 15, 2023 \| parent \| context \| favorite \| on: Why did older computers and OSes use UPPER case in... Flight booking systems still seem to be stuck with it, even newer fields like email are always in all caps.

mkesper on Dec 15, 2023 [–]

Probably because it's a CICS program written in Cobol running on a mainframe.

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