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`[ ... ] tactics produce output in other files #468

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fpvandoorn opened this issue Sep 14, 2020 · 1 comment
Open

`[ ... ] tactics produce output in other files #468

fpvandoorn opened this issue Sep 14, 2020 · 1 comment
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@fpvandoorn
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fpvandoorn commented Sep 14, 2020 •
edited

A tactic `[ t ] used in a tactic definition my_tac at line L column C in file X that is used in file Y produces output (a server message) at line L column C of file Y (independent of where the tactic my_tac was used in file Y).

See https://leanprover.zulipchat.com/#narrow/stream/113488-general/topic/Extension.20showing.20goal.20for.20a.20separate.20lemma for more information and a less cryptic description.
@bryangingechen
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Another example: https://leanprover.zulipchat.com/#narrow/stream/113488-general/topic/buggy.20infoview.3F

@bryangingechen bryangingechen added the bug Something isn't working label Nov 13, 2020
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@bryangingechen @fpvandoorn