Get all metavariables which mvarId depends on. These are the metavariables which occur in the target or local context or delayed assignment (if any) of mvarId, plus the metvariables which occur in these metavariables, etc.


Modifier recover for a tactic (sequence) to debug cases where goals are closed incorrectly. The tactic recover tacs for a tactic (sequence) tacs applies the tactics and then adds goals that are not closed starting from the original

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