The "known function" auto-handling is a bit unfortunate here, as "open" is already a documentation page: https://perldoc.pl/open (the post is failing if I linkify this)

Because of the search "auto-redirect" going to one or the other, the "did you mean?" snippet at the top of the page was added for pages with the same name (notably also if, socket, fcntl).

In reply to Re^2: link to perl documentation by Anonymous Monk
in thread link to perl documentation by BillKSmith

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