chore: deprecate String.Legacy and Substring.Raw.Legacy declarations#1750
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chore: deprecate String.Legacy and Substring.Raw.Legacy declarations#1750
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Mathlib Test is broken but manual check shows that |
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This PR adds
@[deprecated "Use the newStringAPI." (since := "2026-03-26")]to every declaration in theString.LegacyandSubstring.Raw.Legacynamespaces.Uses
set_option linter.deprecated falseat the section level in bothLegacy.leanandLemmas.leanto suppress internal usage warnings.Reopened after revert.