feat(frontends/lean/inductive_cmd): local notation in inductive decls
feat(frontends/lean/inductive_cmd): local notation in inductive decls

eigengrau/lean,UlrikBuchholtz/lean,Kha/lean,soonhokong/lean,fpvandoorn/lean,soonhokong/lean-osx,UlrikBuchholtz/lean,leodemoura/lean,leodemoura/lean,javra/lean,eigengrau/lean,levnach/lean,UlrikBuchholtz/lean,javra/lean,johoelzl/lean,leodemoura/lean,digama0/lean,htzh/lean,c-cube/lean,fpvandoorn/lean,leanprover/lean,UlrikBuchholtz/lean,soonhokong/lean-windows,rlewis1988/lean,fpvandoorn/lean2,avigad/lean,leanprover-community/lean,fgdorais/lean,htzh/lean,c-cube/lean,rlewis1988/lean,fpvandoorn/lean2,c-cube/lean,leanprover/lean,sp3ctum/lean,avigad/lean,johoelzl/lean,dselsam/lean,soonhokong/lean,avigad/lean,rlewis1988/lean,Kha/lean,leodemoura/lean,soonhokong/lean-windows,eigengrau/lean,johoelzl/lean,fgdorais/lean,javra/lean,c-cube/lean,levnach/lean,fpvandoorn/lean,dselsam/lean,levnach/lean,sp3ctum/lean,dselsam/lean,fgdorais/lean,avigad/lean,leanprover-community/lean,fpvandoorn/lean2,c-cube/lean,soonhokong/lean-osx,soonhokong/lean,fpvandoorn/lean2,johoelzl/lean,levnach/lean,levnach/lean,leodemoura/lean,eigengrau/lean,leanprover-community/lean,soonhokong/lean-windows,leanprover-community/lean,soonhokong/lean,fgdorais/lean,soonhokong/lean-osx,leanprover-community/lean,javra/lean,avigad/lean,eigengrau/lean,soonhokong/lean-windows,javra/lean,soonhokong/lean-osx,leanprover/lean,dselsam/lean,fpvandoorn/lean2,dselsam/lean,rlewis1988/lean,digama0/lean,rlewis1988/lean,sp3ctum/lean,fgdorais/lean,fpvandoorn/lean,leanprover-community/lean,htzh/lean,dselsam/lean,fgdorais/lean,digama0/lean,fpvandoorn/lean,leanprover/lean,johoelzl/lean,digama0/lean,leanprover/lean,digama0/lean,soonhokong/lean-windows,soonhokong/lean-osx,rlewis1988/lean,fpvandoorn/lean,Kha/lean,Kha/lean,leanprover/lean,soonhokong/lean,avigad/lean,htzh/lean,sp3ctum/lean,digama0/lean,leodemoura/lean,sp3ctum/lean,UlrikBuchholtz/lean,Kha/lean,Kha/lean,htzh/lean,johoelzl/lean