I started to write:

    Is there a reason for introducing an asymmetry, or
    should this proposal read "... and /^/ equivalent to
    /\A/ ..."?

but then I re-re-read perlre(1) and realized that that is the
current behavior already: this proposal is hammering out a little
bit of irregularity, removing a subtle difference between the
behavior of $ at the end and ^ at the beginning under /s. I offer
this as another argument in favour of RFC 332.

-Bennett

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