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Diffstat (limited to 'COMPATIBILITY')
| -rw-r--r-- | COMPATIBILITY | 20 |
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diff --git a/COMPATIBILITY b/COMPATIBILITY index 883b8576d2..d423e71df3 100644 --- a/COMPATIBILITY +++ b/COMPATIBILITY @@ -1,3 +1,23 @@ +Potential sources of incompatibilities between Coq V8.5 and V8.6 +---------------------------------------------------------------- + +Symptom: An obligation generated by Program or an abstracted subproof +has different arguments. +Cause: Set Shrink Abstract and Set Shrink Obligations are on by default +and the subproof does not use the argument. +Remedy: +- Adapt the script. +- Write an explicit lemma to prove the obligation/subproof and use it + instead (compatible with 8.4). +- Unset the option for the program/proof the obligation/subproof originates + from. + +Symptom: In a goal, order of hypotheses, or absence of an equality of +the form "x = t" or "t = x", or no unfolding of a local definition. +Cause: This might be connected to a number of fixes in the tactic +"subst". The former behavior can be reactivated by issuing "Unset +Regular Subst Tactic". + Potential sources of incompatibilities between Coq V8.4 and V8.5 ---------------------------------------------------------------- |