But it compiles? I have tested it out of the box and it does so. ------------------------------------------------- Julio Rojas jcredbe...@gmail.com
On Thu, Jan 5, 2012 at 11:39 AM, Wolfgang Engelmann < engelm...@uni-tuebingen.de> 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? > > Wolfgang >