On 13/02/2013 22:22, Kin-man Chung wrote:
> There is an objection to using "cat" as the concat operator: it is not
> backward compatible, because cat is not a reserved word in the current EL.
>
> We now have several options.
>
> 1. Use "cat" as planned.
> 2. Use "el$cat" to reduce compatibility risk.
> 3. Use "+=" or "!"
> 4. Remove concatenation.
>
> I'm OK with 1, 2, or 3, leaning towards "+=". Other opinions?
+= works for me.
Mark