Ok. This is most unpleasant. In particular since my options then are:

1) write my own, sane (Twisted like, which I think is the sane way) JS 
deferred, not use jQuery/CommonJS (which everyone else does)
2) open the door for users running into issues when they do both Twisted & 
JS/jQuery and don't understand the subtle difference

bad.

of course not a Twisted mailing list topic anymore .. I'll go to jQuery list.

Thanks!
Tobias


On 25.08.11 00:36, "Allen Short" <wash...@twistedmatrix.com> wrote:

No, this is something jQuery and CommonJS got wrong; callbacks don't chain in 
their implementation.

Firing a jQuery promise invokes each callback in order with the same argument. 
Firing a Deferred in Twisted invokes the first callback then passes its return 
value as the arg to the next callback, and so forth.
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