[tex-live] missing fonts for 'texdoc TETEXDOC'

[Robin Fairbairns]

>     or an old document that names forgotten fonts and is tolerated
>     because it is still readable?
> 
> I'm not sure if anything else has supplanted zpplcmr, but I suspect it's
> still widely used.  ec-lmtt is relatively new (and recommended).

zpplcmr is part of the old mathppl, which has been superseded (some
time back) by mathpazo

robin