Am Donnerstag, 5. Januar 2012, 14:53:38 schrieb Guenter Milde:
> On 2012-01-05, Wolfgang Engelmann wrote:
> > I use
> > \mathrm{K}^{+}
> > to get an upright K^+ (K-Ion) (and other items such as units)
> > and guess the following message on the terminal from which I start lyx
> > has to do with it:
> >
> > [Unknown [sub [mathrm [char E mathalpha]] [char e mathalpha][char x
> > mathalpha]]]
> >
> > Do I have to include some package or use another method?
>
> I cannot reproduce this. No messages appear on my terminal (LyX svn on
> Debian Linux started from x-terminal emulator).
The reason for the error messages was not the \mathrm{K}^{+} in the text,
as a minimal example showed, but an entrance in a reference, which I got
from a data bank. Shame on me, I should have checked first with and without
bibliography.
Thanks Guenter and Julio,
Wolfgang
