Indent instances in show.

src/EnumX.jl

@@ -115,7 +115,7 @@ function Base.show(io::IO, ::MIME"text/plain", ::Base.Type{E}) where E <: Enum
         "Enum{$(Base.Enums.basetype(E))} with $(n) instance$(n == 1 ? "" : "s"):"
     )
     for (k, v) in stringmap
-        print(iob, "\n", rpad(k, mx), " = $(v)")
+        print(iob, "\n ", rpad(k, mx), " = $(v)")
     end
     write(io, seekstart(iob))
     return nothing

test/runtests.jl

@@ -62,7 +62,7 @@ end
 let io = IOBuffer()
     show(io, "text/plain", Fruit.Type)
     str = String(take!(io))
-    @test str == "Enum type Fruit.Type <: Enum{Int32} with 2 instances:\nFruit.Apple  = 0\nFruit.Banana = 1"
+    @test str == "Enum type Fruit.Type <: Enum{Int32} with 2 instances:\n Fruit.Apple  = 0\n Fruit.Banana = 1"
     show(io, "text/plain", Fruit.Apple)
     str = String(take!(io))
     @test str == "Fruit.Apple = 0"
@@ -183,7 +183,7 @@ end
 let io = IOBuffer()
     show(io, "text/plain", FruitDup.Type)
     str = String(take!(io))
-    @test str == "Enum type FruitDup.Type <: Enum{Int32} with 2 instances:\nFruitDup.Apple  = 0\nFruitDup.Banana = 0"
+    @test str == "Enum type FruitDup.Type <: Enum{Int32} with 2 instances:\n FruitDup.Apple  = 0\n FruitDup.Banana = 0"
     show(io, "text/plain", FruitDup.Apple)
     str = String(take!(io))
     @test str == "FruitDup.Apple = FruitDup.Banana = 0"