Malcolm,
I dont have any new additions, just a comment.
>- Do myfun with VAR [, VAR ... ] // forces variables to be passed by reference
This is partially true, it will depend on:
Setting of UDFPARMS
parameters being actual variables, no expresions
parameters (VARs) not enclosed in parenthesis
Hugo
"The five senses obstruct or deform the apprehension of reality."
Jorge L. Borges?
"Premature optimization is the root of all evil in programming."
Donald Knuth, repeating C. A. R. Hoare
"To die for a religion is easier than to live it absolutely"
Jorge L. Borges
