[plt-dev] at-exp and whitespace

From: Robby Findler (robby at eecs.northwestern.edu)
Date: Fri Feb 27 09:13:53 EST 2009

I agree. But the same problem can happen with [. What to do there?


On 2/27/09, Matthew Flatt <mflatt at cs.utah.edu> wrote:
> At Fri, 27 Feb 2009 08:50:46 -0500, Dave Herman wrote:
>> As a compromise, would it make sense for the at-exp reader to turn off
>> `read-curly-brace-as-paren' so that wherever an accidentally orphaned
>> curly-brace argument appears, it can produce a more localized error?
>> It's not a perfect solution, but curly braces are pretty rarely used
>> as an S-expression delimiter so it might not be too bad of a compromise.
> I think this is a good idea.
> Just yesterday, some of us were noting that curly braces never found a
> use in S-expressions (unlike square brackets), and the role of curly
> braces in Scribble makes them less likely to gain a different role.
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