add separating dot between indices

src/aut_groups/transvections.jl

@@ -14,12 +14,7 @@ end
 λ(i, j) = Transvection(:λ, i, j)
 
 function Base.show(io::IO, t::Transvection)
-    id = if t.id === :ϱ
-        'ϱ'
-    else # if t.id === :λ
-        'λ'
-    end
-    print(io, id, subscriptify(t.i), '.', subscriptify(t.j))
+    print(io, t.id, subscriptify(t.i), '.', subscriptify(t.j))
     return t.inv && print(io, "^-1")
 end
 

src/matrix_groups/eltary_symplectic.jl

@@ -23,7 +23,7 @@ end
 
 function Base.show(io::IO, s::ElementarySymplectic)
     i, j = Groups.subscriptify(s.i), Groups.subscriptify(s.j)
-    print(io, s.symbol, i, j)
+    print(io, s.symbol, i, '.', j)
     return !isone(s.val) && print(io, "^$(s.val)")
 end