[tex-k] [WEB] Integrated webmac.tex for plain TeX, pdfTeX, and XeTeX

[Andreas Scherer]

Hi Karl,

thanks for your feedback.

> How about making this the default if PDF output is being generated in
> the first place?
I've uploaded an update to https://github.com/ascherer/web with this and
other minor changes.  Now I'll test it with the full KNUTHware codes.
(There's still work to do to achieve a similar result as HO in 2014.)

Cheers,
Andreas