This PR splits the environment used by the kernel from that used by the elaborator, providing the foundation for tracking of asynchronously elaborated declarations, which will exist as a concept only in the latter. Minor changes: * kernel diagnostics are moved from an environment extension to a direct environment as they are the only extension used directly by the kernel * `initQuot` is moved from an environment header field to a direct environment as it is the only header field used by the kernel; this also makes the remaining header immutable after import |
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| BRecOn.lean | ||
| CasesOn.lean | ||
| NoConfusion.lean | ||
| RecOn.lean | ||