2014-04-30 14:50 GMT+02:00 Sean Patrick Burke:
> > I just installed the nex lyx package
> > 3.13.10-200.fc20.x86_64 #1 SMP Mon Apr 14 20:34:16 UTC 2014 x86_64
> x86_64 x86_64 GNU/Linux
> >
> > And I try to compile my document,
> >
> > and I get:
> >
> > \usepackage
> > [T1]{fontenc}
> > The control sequence at the end of the top line
> > of your error message was never \def'ed. If you have
> > misspelled it (e.g., `\hobx'), type `I' and the correct
> > spelling (e.g., `I\hbox'). Otherwise just continue,
> > and I'll forget about whatever was undefined.
> >
> > What is wrong?
> > with the previous version it was OK.
> >
>
> I’ve run into this when trying to import LyX 2.0 into LyX 2.1. Try copying
> and pasting the old document into a new document.
>
This is a bad workaround (and you lose all document settings).
Could one of you provide us with a test case?
Jürgen
