which can take multiple values -- "pax" or "gtar". The default value
of EXTRACT_USING is "pax", which more closely matches reality since
before, we were using bootstrap "tar" for ${GTAR} and it was actually
pax-as-tar. Also, stop pretending pax-as-tar from the bootstrap kit
or on NetBSD is GNU tar. Lastly, in bsd.pkg.extract.mk, note whether
we need "pax" or "gtar" depending on what we need to extract the
distfiles.
Machine independent parts for teTeX:
web files, metafont bases, style files, font definitions,
localisation, ofm-, ovf-, vf-, pfb- and tfm-files,
(meta)font source files, lots of documentation, ...
