Am Dienstag, den 09.02.2016, 12:28 +0100 schrieb David Dahlberg:
> Other than GNU, OpenBSD's sed does not like the "( |$)" statement.
> I do not know, which behaviour is "right" according to POSIX.
Here's POSIX: "A <dollar-sign> ( '$' ) shall be an anchor when used as
the last character of an entire BRE. The implementation may treat a
<dollar-sign> as an anchor when used as the last character of a
subexpression."
Yeah ... ambiguity: Both behaviours are correct ("may").
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