Merge commit 'ad019afd7124c07ef34fb22e6165976116202477' into swift3.0

* commit 'ad019afd7124c07ef34fb22e6165976116202477':
  move #872 fix to appropriate changelog section
  closure_spacing accepts empty bodies with a space

# Conflicts:
#	Source/SwiftLintFramework/Rules/ClosureSpacingRule.swift

CHANGELOG.md

@@ -33,8 +33,11 @@
   [Marcelo Fabri](https://github.com/marcelofabri)
   [#881](https://github.com/realm/SwiftLint/issues/881)
 
-##### Bug Fixes
+* `closure_spacing` rule now accepts empty bodies with a space.  
+  [Marcelo Fabri](https://github.com/marcelofabri)
+  [#875](https://github.com/realm/SwiftLint/issues/875)
 
+##### Bug Fixes
 
 * Fix a few edge cases where malformed `MARK:` comments wouldn't trigger a
   violation.  
@@ -52,11 +55,15 @@
 * `switch_case_on_newline` rule should ignore trailing comments.  
   [Marcelo Fabri](https://github.com/marcelofabri)
   [#874](https://github.com/realm/SwiftLint/issues/874)
-  
+
 * `switch_case_on_newline` rule shouldn't trigger on enums.  
   [Marcelo Fabri](https://github.com/marcelofabri)
   [#878](https://github.com/realm/SwiftLint/issues/878)
 
+* Fix regex bug in Comma Rule causing some violations to not be triggered
+  when there were consecutive violations in the same expression.  
+  [Savio Figueiredo](https://github.com/sadefigu)
+  [#872](https://github.com/realm/SwiftLint/issues/872)
 
 ## 0.13.0: MakeYourClothesCleanAgain
 
@@ -155,11 +162,6 @@
   [Norio Nomura](https://github.com/norio-nomura)
   [#813](https://github.com/realm/SwiftLint/issues/813)  
 
-* Fixed regex bug in Comma Rule. Some violations were not being triggered 
-  when there were consecutive violations in the same expression.  
-  [Savio Figueiredo](https://github.com/sadefigu)
-  [#872](https://github.com/realm/SwiftLint/issues/872)
-
 ## 0.12.0: Vertical Laundry
 
 ##### Breaking

Source/SwiftLintFramework/Rules/ClosureSpacingRule.swift

@@ -21,7 +21,9 @@ public struct ClosureSpacingRule: Rule, ConfigurationProviderRule, OptInRule {
         description: "Closure expressions should have a single space inside each brace.",
         nonTriggeringExamples: [
             "[].map ({ $0.description })",
-            "[].filter { $0.contains(location) }"
+            "[].filter { $0.contains(location) }",
+            "extension UITableViewCell: ReusableView { }",
+            "extension UITableViewCell: ReusableView {}"
         ],
         triggeringExamples: [
             "[].filter({$0.contains(location)})",
@@ -93,7 +95,10 @@ public struct ClosureSpacingRule: Rule, ConfigurationProviderRule, OptInRule {
         var violationRanges = matchedUpBraces.filter {
             // removes enclosing brances to just content
             let content = file.contents.substring($0.location + 1, length: $0.length - 2)
-            if content.isEmpty { return false } // case when {} is not a closure
+            if content.isEmpty || content == " " {
+                // case when {} is not a closure
+                return false
+            }
             let cleaned = content.trimmingCharacters(in: .whitespaces)
             return content != " " + cleaned + " "
         }