I found it! The problem was that I i initially imported the doc from a plain TeX file and LyX set the language package to "none" instead of "default". After setting the language package to default or babel LyX adds the [english] parameter correctly.
On Wed, Mar 7, 2012 at 9:44 PM, Richard Heck <rgh...@comcast.net> wrote: > On 03/07/2012 10:37 AM, Uwe Jugel wrote: > >> Hi, >> I want to configure a lyx layout for this documentclass syntax: >> >> \documentclass[english]{lni} >> >> What is right \DeclareLaTeXClass syntax for this? >> >> Just: \DeclareLaTeXClass{lni}. > > If you want to force english, then add this to the layout file as: > > ClassOptions > Other english > End > > and then it will appear as a "predefined" option under Document>Settings. > > Though you don't really need to do that. The english option will be added > for you if you choose English as your document language under > Document>Settings>Language. > > Richard > >