[racket] perpetual "Online expansion running"

From: Robby Findler (robby at eecs.northwestern.edu)
Date: Wed May 9 19:27:34 EDT 2012

Hm. That shouldn't be possible. Do you know how to get DrRacket into that state?

Robby

On Wed, May 9, 2012 at 6:16 PM, Neil Van Dyke <neil at neilvandyke.org> wrote:
> Aha.  No boxes were checked on the "View -> Check Syntax Mode" menu.  I
> don't know what Check Syntax was doing.
>
> Neil Van Dyke wrote at 05/09/2012 07:11 PM:
>
>> What does it mean if DrRacket's online Check Syntax indicator is blue, and
>> the tooltip says "Online expansion running", but CPU is 0%.
>>
>> I can run the code.  I can leave DrRacket idle for a long time, but the
>> indicator stays blue.  Disabling and then re-enabling online Check Syntax
>> doesn't help.  Quitting and restarting DrRacket doesn't help.
>>
>> A wild guess is that Check Syntax is secretly giving up, due to the
>> "require"s in this module (the size of the "require"-d stuff, or the
>> complexity of the "require" graph).  There's not much crazy syntax
>> transforming happening in the application code, if that matters.
>>
>> Neil V.
>
>
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