Testing attribute existence on 3.x

[Phil Mayers]

On 15/05/14 16:32, Phil Mayers wrote:
> I have a feeling I've asked this before so apologies if so, but...
>
> How do I do this:
>
>   if (list:Attr) {
>   }
>
> I just get:
>
>        ^ Expected a module return code

Never mind, this is a problem on my end. The attribute was a 
locally-defined one that had managed to get commented out in the dictionary.