%set(name,if)
%set(syntax,%%if(cond\,'truecase[\,'falsecase]))
%set(description,If cond is not null\, expands to truecase\, otherwise\, expands to falsecase (or
%%null%% if falsecase isn't specified). 
truecase and falsecase are automatically quoted so that only one or the other 
are evaluated depending on cond

In the following code\, a reference is made to an undefined form variable called 
Name; %%form(Name) returns %%null%%. 
%%if(%%equal(%%form(Name)\,'Joe)\, 
   'Hello Joe!\, 
   'I don't know you!))
%set(author,)
%set(example,)
%set(seealso,)
