It sound like branches are good fit for your problem.
Make the presentation. Make new branch in Document->Setting -->Branches. Make
the changes for the students, change the document layout to handouts. Make a
new branch and add the extra for the teachers. Choose the right branch you want
when
Uwe Ade wrote:
Hello
im looking for a solution to make two different types of presentations with
beamer from one Source-document:
The first one is a normal Handout for the students.
The second one is a special handout for the teacher. The second one has
additional informations for the teach