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doc: ! modifier in grind parameters (#10474)

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This PR adds a doc string for the `!` parameter modifier in `grind`.
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Leonardo de Moura 2025-09-20 01:06:05 -07:00 • committed by GitHub
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5
src/Init/Grind/Tactics.lean
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@ -182,7 +182,10 @@ namespace Lean.Parser.Tactic
syntax grindErase := "-" ident
syntax grindLemma := ppGroup((Attr.grindMod ppSpace)? ident)
-- `!` for enabling minimal indexable subexpression restriction
/--
The `!` modifier instructs `grind` to consider only minimal indexable subexpressions
when selecting patterns.
-/
syntax grindLemmaMin := ppGroup("!" (Attr.grindMod ppSpace)? ident)
syntax grindParam := grindErase <|> grindLemma <|> grindLemmaMin