[ghc-steering-committee] #686: Amendment to MultilineStrings, recommendation: accept

[Moritz Angermann]

I support this as well!

On Thu, 20 Mar 2025 at 07:09, Simon Peyton Jones via ghc-steering-committee
<ghc-steering-committee at haskell.org> wrote:

> I support the proposal; I have asked some technical questions on the
> Github thread.
>
> Simon
>
> On Wed, 19 Mar 2025 at 21:44, Malte Ott <malte.ott at maralorn.de> wrote:
>
>> Dear committee,
>>
>> in
>>
>> https://github.com/ghc-proposals/ghc-proposals/pull/686
>>
>> Brandon Chinn proposes to slightly modify the recently accepted
>> MultilineStrings
>> proposal:
>>
>> "For the calculation of whitespace prefix removal string gaps (i.e. the
>> /   /
>> syntax) should be regarded as non-whitespace."
>>
>> This is technically a breaking change so we should deliberate on it, but
>> I don’t see
>> why anyone would come into this situation in the first place, so I don’t
>> think
>> we should dwell on this.
>>
>> A motivation for the change is that it is easier to implement. I am torn
>> whether
>> it is more or less surprising to users, with maybe a small tendency to
>> less
>> surprising, so I recommend we go with it.
>>
>> The committee could decide to be annoying about this. This is a not
>> strongly
>> motivated change which theoretically changes the semantics of a released
>> extension without warnings or compile errors.
>>
>> However, the extension would surely count as experimental if we were
>> already using the
>> classification we agreed upon. And this tiny change has already been
>> merged
>> as part of a bug fix and I think we should let this pass out of respect
>> to our
>> implementors.
>>
>> Please voice your opinions, I aim to declare this proposal accepted in 7
>> days.
>>
>> Best
>> Malte
>>
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