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Diffstat (limited to 'COMPATIBILITY')
| -rw-r--r-- | COMPATIBILITY | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/COMPATIBILITY b/COMPATIBILITY index 2ce29346..eaeb2cba 100644 --- a/COMPATIBILITY +++ b/COMPATIBILITY @@ -26,6 +26,20 @@ Universe Polymorphism. (e.g. induction). Extra "Transparent" might have to be added to revert opacity of constants. +Type classes. + +- When writing an Instance foo : Class A := {| proj := t |} (note the + vertical bars), support for typechecking the projections using the + type information and switching to proof mode is no longer available. + Use { } (without the vertical bars) instead. + +Tactic abstract. + +- Auxiliary lemmas generated by the abstract tactic are removed from + the global environment and inlined in the proof term when a proof + is ended with Qed. The behavior of 8.4 can be obtained by ending + proofs with "Qed exporting" or "Qed exporting ident, .., ident". + Potential sources of incompatibilities between Coq V8.3 and V8.4 ---------------------------------------------------------------- |