doc(emacs/README.md): update unicode instructions
doc(emacs/README.md): update unicode instructions
fpvandoorn/lean,fpvandoorn/lean,leanprover/lean,leodemoura/lean,digama0/lean,rlewis1988/lean,digama0/lean,fpvandoorn/lean2,rlewis1988/lean,leanprover-community/lean,avigad/lean,leanprover-community/lean,javra/lean,soonhokong/lean,fpvandoorn/lean,leanprover/lean,soonhokong/lean-osx,javra/lean,soonhokong/lean-windows,levnach/lean,fpvandoorn/lean2,Kha/lean,dselsam/lean,avigad/lean,dselsam/lean,fgdorais/lean,leanprover/lean,javra/lean,Kha/lean,leanprover/lean,UlrikBuchholtz/lean,Kha/lean,UlrikBuchholtz/lean,leodemoura/lean,digama0/lean,fpvandoorn/lean,fpvandoorn/lean2,leanprover-community/lean,dselsam/lean,soonhokong/lean,johoelzl/lean,UlrikBuchholtz/lean,fgdorais/lean,javra/lean,johoelzl/lean,rlewis1988/lean,fpvandoorn/lean,soonhokong/lean,javra/lean,rlewis1988/lean,avigad/lean,fgdorais/lean,johoelzl/lean,dselsam/lean,leodemoura/lean,levnach/lean,leanprover/lean,soonhokong/lean-windows,leodemoura/lean,fpvandoorn/lean,soonhokong/lean-windows,soonhokong/lean-osx,soonhokong/lean,levnach/lean,soonhokong/lean-osx,soonhokong/lean-osx,soonhokong/lean-osx,dselsam/lean,avigad/lean,leanprover-community/lean,rlewis1988/lean,digama0/lean,johoelzl/lean,fpvandoorn/lean2,dselsam/lean,johoelzl/lean,johoelzl/lean,soonhokong/lean-windows,UlrikBuchholtz/lean,fpvandoorn/lean2,leanprover-community/lean,Kha/lean,rlewis1988/lean,Kha/lean,UlrikBuchholtz/lean,leodemoura/lean,fgdorais/lean,leanprover-community/lean,soonhokong/lean-windows,Kha/lean,soonhokong/lean,levnach/lean,levnach/lean,fgdorais/lean,digama0/lean,fgdorais/lean,avigad/lean,digama0/lean,leanprover/lean,avigad/lean,leodemoura/lean