Coq Call 2020 11 18
- November 18th 2020, 4pm-5pm Paris Time
- https://rdv2.rendez-vous.renater.fr/coq-call
- Taking position about #13100, #13102, #13103, ... i.e. on systematically keeping location on parsed identifiers, and propagating this information up towards the error messages when "relevant"
- PR #11390 (implicit arguments in
Context): is there some hope to preserve compatibility? - CEP #49 and PR #11099 (instantiation of non-dependent implicit arguments by name or index): adopting the
withmodel? generalizing it to all (including@foo-style) applied references?
-
Keeping locations on idents for Ltac error messages.
After discussion with @herbelin and @ppedrot, came to a design where the runtime of Ltac is not impacted but locations can be given to tactics optionally for the interactive mode.
-
11390: we should really evaluate if fixing the contribs is hard, because that's a bugfix and maintaining backward compatibility is going to be hard. We are allowed to break here. Discussion about Variables and Context came back: time to reevaluation if we can merge them. No parsing issue seems unsourmountable.
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