Do it for all packages that
* mention perl, or
* have a directory name starting with p5-*, or
* depend on a package starting with p5-
like last time, for 5.18, where this didn't lead to complaints.
Let me know if you have any this time.
Pipes are troublesome beasts because there are a few different, incompatible
ways to create them. Not all platforms support all ways, and some platforms
may have hidden difficulties like incomplete or buggy support.
IO::Pipely provides a couple functions to portably create one- and two-way
pipes and pipe-like socket pairs. It acknowledges and works around known
platform issues so you don't have to.
