Bug in GNU sed 3.02

[Paolo Bonzini]

> p
> s/e/X/p
> :x
> s//Y/p
> /f/bx

I tracked down the bug in GNU sed 3.02 and later (possibly earlier too)
that the script above demonstrates: the // empty regular expression
matches the last *compiled* regular expression rather than the last
*executed* regexp.

Paolo