diff --git a/src/interactive.jl b/src/interactive.jl
index 8b80e01..a7d513f 100644
--- a/src/interactive.jl
+++ b/src/interactive.jl
@@ -3,7 +3,7 @@
 #     leaves(Plugin)
 # end
 
-function Base.show(io::IO, p::T) where T <: Plugin
+function Base.show(io::IO, ::MIME"text/plain", p::T) where T <: Plugin
     indent = get(io, :indent, 0)
     print(io, repeat(' ', indent), T, ":")
     foreach(fieldnames(T)) do n
@@ -15,7 +15,7 @@ end
 show_field(x) = repr(x)
 show_field(x::AbstractString) = repr(contractuser(x))
 
-function Base.show(io::IO, t::Template)
+function Base.show(io::IO, m::MIME"text/plain", t::Template)
     println(io, "Template:")
     foreach(fieldnames(Template)) do n
         n === :plugins || println(io, repeat(' ', 2), n, ": ", show_field(getfield(t, n)))
@@ -24,9 +24,9 @@ function Base.show(io::IO, t::Template)
         print(io, "  plugins: None")
     else
         print(io, repeat(' ', 2), "plugins:")
-        foreach(values(t.plugins)) do p
+        foreach(sort(collect(values(t.plugins)); by=string)) do p
             println(io)
-            show(IOContext(io, :indent => 4), p)
+            show(IOContext(io, :indent => 4), m, p)
         end
     end
 end
diff --git a/test/show.jl b/test/show.jl
index 54b9cac..b51aba8 100644
--- a/test/show.jl
+++ b/test/show.jl
@@ -9,7 +9,7 @@ const LICENSE_DIR = contractuser(PT.LICENSE_DIR)
               destination: "README.md"
               inline_badges: false
             """
-        @test sprint(show, Readme()) == rstrip(expected)
+        @test sprint(show, MIME("text/plain"), Readme()) == rstrip(expected)
     end
 
     @testset "Template" begin
@@ -17,7 +17,7 @@ const LICENSE_DIR = contractuser(PT.LICENSE_DIR)
             Template:
               authors: ["$USER"]
               develop: true
-              dir: "$(Pkg.devdir())"
+              dir: "$(contractuser(Pkg.devdir()))"
               git: true
               host: "github.com"
               julia_version: v"1.0.0"
@@ -25,18 +25,26 @@ const LICENSE_DIR = contractuser(PT.LICENSE_DIR)
               ssh: false
               user: "$USER"
               plugins:
-                Readme:
-                  file: "$DEFAULTS_DIR/README.md"
-                  destination: "README.md"
-                  inline_badges: false
-                Tests:
-                  file: "$DEFAULTS_DIR/runtests.jl"
                 Gitignore:
                   ds_store: true
                   dev: true
                 License:
                   path: "$LICENSE_DIR/MIT"
                   destination: "LICENSE"
+                Readme:
+                  file: "$DEFAULTS_DIR/README.md"
+                  destination: "README.md"
+                  inline_badges: false
+                Tests:
+                  file: "$DEFAULTS_DIR/runtests.jl"
             """
+        @test sprint(show, MIME("text/plain"), tpl(; authors=USER)) == rstrip(expected)
+    end
+
+    @testset "show as serialization" begin
+        # Equality is not implemented for Template, so check the string form.
+        t1 = tpl()
+        t2 = eval(Meta.parse(sprint(show, t1)))
+        @test sprint(show, t1) == sprint(show, t2)
     end
 end