[stringtemplate-interest] "final" word on null vs missing vs empty

[Terence Parr]

On Oct 20, 2009, at 8:55 PM, Zenaan Harkness wrote:
> Any thoughts on making 'if' strict, or providing something like:
>   if.boolean (a data analysis/ model signal operator), and
>   if.existence (a data presence operator)
>   ??

Well, it's an interesting idea but I lean towards leaving as simple <if 
(...)> because nobody really complained about this so far.

Ter