Pipeline serialisation to and from XML is horribly broken for all
but the most simple use cases, and will likely never be fixed.
Make sure everyone playing around with these tools is aware of
this, to avoid frustration. See countless bug reports in bugzilla.
Original commit message from CVS:
Move man pages from %.1 to %.1.in, and add a rule to make .1 files
from .1.in, replacing program names with their versioned equivalent.
Handles nroff escape code for - (\-).