[Ur] New feature round-up

[Adam Chlipala]

Adam Chlipala wrote:
> Edward Z. Yang wrote:
>> In case anyone is wondering, the pattern of, "Give me a piece of form 
>> input
>> which autofocuses itself when it's in the document", doing the obvious:
>>
>> <ctextbox id={nid} />
>> <active code={giveFocus nid} />
>>
>> Doesn't work:<active>  seems to get run too early.
>>
>> This seems to work OK:
>>
>> <ctextbox id={nid} />
>> <active code={spawn (sleep 1; giveFocus nid)} />
>>
>> You do need the sleep, unfortunately, so this is all a bit delicate.
>
> Hmm... that wasn't intentional.  I'll look into it.

I replicated the problem in one test case, and it's now fixed in the 
working repo.