[racket-dev] spam trac tickets

RPN with signed ternary should keep them confused for a little while anyway.



On Wednesday, March 23, 2011, Shriram Krishnamurthi <sk at cs.brown.edu> wrote:
> Will the syntax be infix or prefix?  Will the semantics be fixednum or bignum?
>
> On Wed, Mar 23, 2011 at 7:00 AM, Matthias Felleisen
> <matthias at ccs.neu.edu> wrote:
>>
>> can you turn these captcha expressions into small arithmetic expressions
>> that people know they need to compute and the spammers don't see?
>>
>>
>> On Mar 22, 2011, at 11:28 PM, Robby Findler wrote:
>>
>>> Looks like the spammers have found a way thru google's captcha thing.
>>> There were just three spam tickets now and two earlier today and a few
>>> yesterday, iirc.
>>>
>>> Should I worry about that?
>>>
>>> Robby
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