Eric Blake <[EMAIL PROTECTED]> writes: > Is unset supported by all shells that also support functions? That would > be a nice simplification to rely on.
As far as I know, it is supported. If this turns into a problem, we can change our shell-finding philosophy from "find a shell that supports shell functions" to "find a shell that supports our required subset of POSIX" and then test for "unset" when we look for a shell.
