From 2ea0f8a645fffaadcabaa421aca362f13107a379 Mon Sep 17 00:00:00 2001
From: Milan Bouchet-Valat <nalimilan@club.fr>
Date: Sun, 15 May 2016 10:09:58 +0200
Subject: [PATCH] Fix two Union occurrences to Union{}

These did not have any visible consequences apparently.
---
 base/docs/Docs.jl | 6 +++---
 test/docs.jl      | 6 +++---
 2 files changed, 6 insertions(+), 6 deletions(-)

diff --git a/base/docs/Docs.jl b/base/docs/Docs.jl
index b0bd638111b6c..7b5ddf4374864 100644
--- a/base/docs/Docs.jl
+++ b/base/docs/Docs.jl
@@ -239,7 +239,7 @@ end
 
 Returns all documentation that matches both `binding` and `sig`.
 """
-function doc(binding::Binding, sig::Type = Union)
+function doc(binding::Binding, sig::Type = Union{})
     results, groups = DocStr[], MultiDoc[]
     # Lookup `binding` and `sig` for matches in all modules of the docsystem.
     for mod in modules
@@ -280,8 +280,8 @@ function doc(binding::Binding, sig::Type = Union)
 end
 
 # Some additional convenience `doc` methods that take objects rather than `Binding`s.
-doc(object, sig::Type = Union) = doc(aliasof(object, typeof(object)), sig)
-doc(object, sig...)            = doc(object, Tuple{sig...})
+doc(object, sig::Type = Union{}) = doc(aliasof(object, typeof(object)), sig)
+doc(object, sig...)              = doc(object, Tuple{sig...})
 
 """
     Docs.fielddoc(binding, field)
diff --git a/test/docs.jl b/test/docs.jl
index 6208797ebada6..df0728839624b 100644
--- a/test/docs.jl
+++ b/test/docs.jl
@@ -754,7 +754,7 @@ let m = @doc(DocsTest).meta
     @test length(m[:results]) == 1
     @test m[:results][1] === Docs.meta(DocsTest)[@var(DocsTest)].docs[Union{}]
     @test m[:binding] == @var(DocsTest)
-    @test m[:typesig] == Union
+    @test m[:typesig] === Union{}
 end
 
 let m = @doc(DocsTest.f).meta
@@ -762,7 +762,7 @@ let m = @doc(DocsTest.f).meta
     @test m[:results][1] === Docs.meta(DocsTest)[@var(DocsTest.f)].docs[Tuple{Any}]
     @test m[:results][2] === Docs.meta(DocsTest)[@var(DocsTest.f)].docs[Tuple{Any, Any}]
     @test m[:binding] == @var(DocsTest.f)
-    @test m[:typesig] == Union
+    @test m[:typesig] === Union{}
 end
 
 let m = @doc(DocsTest.f(x)).meta
@@ -775,7 +775,7 @@ end
 let m = @doc(Undocumented.f).meta
     @test isempty(m[:results])
     @test m[:binding] == @var(Undocumented.f)
-    @test m[:typesig] == Union
+    @test m[:typesig] === Union{}
 end
 
 # Bindings.