I believe POSIX defines vi as mandatory visual text editor, which makes it prese... | Hacker News

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hepek on May 23, 2017 | parent | context | favorite | on: Helping a Million Developers Exit Vim

I believe POSIX defines vi as mandatory visual text editor, which makes it present on any compliant OS and thus a sane default value for EDITOR.

masklinn on May 23, 2017 [–]

Technically it's part of the optional "User Portability Utilities" feature group, and so is ex, the only mandatory editor in POSIX is "ed".

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