Re: [ghc-steering-committee] #403: Cleanup lexical structure, recommendation: accept

I'm in support. Thanks, Richard

On Mar 5, 2021, at 1:03 PM, Iavor Diatchki wrote:

I think this looks reasonable too (with the qualification that I didn't look at it in much detail).

On Fri, Mar 5, 2021 at 9:46 AM Alejandro Serrano Mena mailto:trupill@gmail.com> wrote: This proposal seems fine to me.

Alejandro

El El vie, 5 mar 2021 a las 10:22, Simon Peyton Jones via ghc-steering-committee mailto:ghc-steering-committee@haskell.org> escribió: I don’t have a well-informed opinion, but I certainly have no objection.

Simon

From: ghc-steering-committee mailto:ghc-steering-committee-bounces@haskell.org> On Behalf Of Spiwack, Arnaud Sent: 04 March 2021 14:54 To: GHC Steering committee mailto:ghc-steering-committee@haskell.org> Subject: [ghc-steering-committee] #403: Cleanup lexical structure, recommendation: accept

Dear all,

As the shepherd for proposal #403 Cleanup lexical structure of numbers and identifiers https://nam06.safelinks.protection.outlook.com/?url=https%3A%2F%2Fgithub.com%2Fghc-proposals%2Fghc-proposals%2Fpull%2F403&data=04%7C01%7Csimonpj%40microsoft.com%7Cb28a9399e2fd44379fd308d8df1d66b0%7C72f988bf86f141af91ab2d7cd011db47%7C1%7C0%7C637504665725379654%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C2000&sdata=Rfp%2F%2BPsrs%2FQWa9k67NTAOLAI7PXccca%2BVLBZvcNVYME%3D&reserved=0, let me recommend acceptance.

This proposal does two things related to unicode characters

Codify the actual current lexing of unicode symbols, which is actually different from the Haskell 2010 report (in particular, only ascii digits are allowed in number literals) Adds the possibility to use unicode letters which are neither upper case nor lower case (such as many asian scripts) as trailing symbols for identifier (as well as in String and Char literals) It doesn't make it possible (nor close the door) to use letter-like numbers (such as latin numerals) as identifiers, nor use non-ascii digits in number literals.

As the title entails, it's essentially a clean up of the documentation, to match reality. It seems quite uncontroversial.

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