[Rivet] Rivet plotting

[Jeppe R.Andersen]

Hendrik Hoeth writes:
 > Hi,
 > 
 > > But if I first source the rivetenv.csh script, and then 'unsetenv
 > > TEXMFHOME HOMETEXMF TEXINPUTS LATEXINPUTS', then even rivet-mkhtml
 > > works.
 > 
 > What happens if you only unset TEXINPUTS and LATEXINPUTS?

that it also works.
(as expected). 
I don't know why it fails when using the TEXINPUTS and
LATEXINPUTS from rivet.

Jeppe