Sebastian Guttenberg <gutte...@to.infn.it> writes: > Jean-Marc wrote: >> > but in both cases >> > LyX still includes the package fontenc in the exported file. >> >> And is it a problem in practice? > > Not in practice any longer, but in principle: If I am not using a > package at all, then it shouldn't be loaded I think. Loading it just > increases the probability of conflicts with other packages and probably > also makes compilation a tiny bit longer. And if one searches for > errors, one has to worry about one package more.
Except that fontenc (and inputenc) are not only packages, but integral parts of LaTeX (as are all packages in the base/ directory of CTAN). In general I would not worry about their presence. I agree that too many packages can cause problems, but removing that should not be an obsession ;p JMarc