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From: | Stefan Monnier |
Subject: | Re: Correct line/column numbers in byte compiler messages [Was: GNU is looking for Google Summer of Code Projects] |
Date: | Thu, 19 Mar 2020 18:09:50 -0400 |
User-agent: | Gnus/5.13 (Gnus v5.13) Emacs/28.0.50 (gnu/linux) |
> I think fat-cons cells are cheap to implement (with (hopefully) no > performance impact when not used or weird semantic artifacts like the > fat-symbol approach you tried) and can work 99.9% right in the long term > with an incremental way to get there. Reminds me that another project could be to provide something like Scheme's `syntax-rules` or `syntax-case`. These could be attractive on their own while also making it easier to correctly propagate source-level line-number information. Stefan
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