block lambda revival

Brendan Eich brendan at
Mon May 23 17:38:57 PDT 2011

On May 23, 2011, at 5:26 PM, Brendan Eich wrote:

> I see what you mean, but is it really a problem without user testing? I could try to make it an error but that seems unnecessary at this stage. Unless you have a simple fix in mind?

One possible fix is to revise the grammar to require that the paren-free BlockArguments-only call syntax to be parenthesized in any context where the last block-lambda would have an expression after it before a LineTerminator, if there were no parenthesization around the BlockArguments. Comments?


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