Sorry, I missed your reply.
Contextual substitutions features are hard for me too.
Maybe someone else can help, but your question is no too clear.
You will find one example of code for a contextual lookup in this thread on fractions
Sorry, I missed your reply.
Contextual substitutions features are hard for me too.
Maybe someone else can help, but your question is no too clear.
You will find one example of code for a contextual lookup in this thread on fractions