| Cases of loc * 'term * 'ident intros_spec
| Change of loc * ('term, 'lazy_term, 'ident) pattern * 'lazy_term
| Clear of loc * 'ident list
| ClearBody of loc * 'ident
| Cases of loc * 'term * 'ident intros_spec
| Change of loc * ('term, 'lazy_term, 'ident) pattern * 'lazy_term
| Clear of loc * 'ident list
| ClearBody of loc * 'ident