G.NTactic(loc,[G.NCases (loc, what, where)])
| IDENT "change"; what = pattern_spec; "with"; with_what = tactic_term ->
G.NTactic(loc,[G.NChange (loc, what, with_what)])
G.NTactic(loc,[G.NCases (loc, what, where)])
| IDENT "change"; what = pattern_spec; "with"; with_what = tactic_term ->
G.NTactic(loc,[G.NChange (loc, what, with_what)])