title: Is SpaceBeforeCpp11BracedList option not available in clang-format installed via Homebrew in macOS?
body: <p>I run <code>clang-format</code> with <code>SpaceBeforeCpp11BracedList</code> option but seems like <code>clang-format</code> not know that option. Below is the error message.</p>
  
  <pre><code>YAML:98:29: error: unknown key 'SpaceBeforeCpp11BracedList'
  SpaceBeforeCpp11BracedList: true
                              ^~~~
  Error reading /Path/to/.clang-format: Invalid argument
  </code></pre>
  
  <p>is it happened in <code>clang-format</code> installed via <code>homebrew</code>? am I missing something?</p>
  
  <p>below is my <code>.clang-format</code> file</p>
  
  <pre><code>Language:        Cpp
  AccessModifierOffset: -2
  AlignAfterOpenBracket: Align
  AlignConsecutiveAssignments: false
  AlignConsecutiveDeclarations: false
  AlignEscapedNewlines: Left
  AlignOperands:   true
  AlignTrailingComments: true
  AllowAllParametersOfDeclarationOnNextLine: true
  AllowShortBlocksOnASingleLine: false
  AllowShortCaseLabelsOnASingleLine: false
  AllowShortFunctionsOnASingleLine: None
  AllowShortIfStatementsOnASingleLine: false
  AllowShortLoopsOnASingleLine: false
  AlwaysBreakAfterDefinitionReturnType: None
  AlwaysBreakAfterReturnType: All
  AlwaysBreakBeforeMultilineStrings: false
  AlwaysBreakTemplateDeclarations: false
  BinPackArguments: false
  BinPackParameters: false
  BraceWrapping:   
    AfterClass:      false
    AfterControlStatement: false
    AfterEnum:       false
    AfterFunction:   true
    AfterNamespace:  false
    AfterObjCDeclaration: false
    AfterStruct:     false
    AfterUnion:      false
    AfterExternBlock: false
    BeforeCatch:     false
    BeforeElse:      false
    IndentBraces:    false
    SplitEmptyFunction: true
    SplitEmptyRecord: true
    SplitEmptyNamespace: true
  BreakBeforeBinaryOperators: None
  BreakBeforeBraces: Custom
  BreakBeforeInheritanceComma: true
  BreakBeforeTernaryOperators: true
  BreakConstructorInitializersBeforeComma: false
  BreakConstructorInitializers: BeforeComma
  BreakAfterJavaFieldAnnotations: false
  BreakStringLiterals: true
  ColumnLimit:     80
  CommentPragmas:  '^ IWYU pragma:'
  CompactNamespaces: false
  ConstructorInitializerAllOnOneLineOrOnePerLine: false
  ConstructorInitializerIndentWidth: 0
  ContinuationIndentWidth: 1
  Cpp11BracedListStyle: true
  DerivePointerAlignment: false
  DisableFormat:   false
  ExperimentalAutoDetectBinPacking: false
  FixNamespaceComments: true
  ForEachMacros:   
    - foreach
    - Q_FOREACH
    - BOOST_FOREACH
  IncludeBlocks:   Preserve
  IncludeCategories: 
    - Regex:           '^"(llvm|llvm-c|clang|clang-c)/'
      Priority:        2
    - Regex:           '^(&lt;|"(gtest|gmock|isl|json)/)'
      Priority:        3
    - Regex:           '.*'
      Priority:        1
  IncludeIsMainRegex: '(Test)?$'
  IndentCaseLabels: false
  IndentPPDirectives: None
  IndentWidth:     2
  IndentWrappedFunctionNames: false
  JavaScriptQuotes: Leave
  JavaScriptWrapImports: true
  KeepEmptyLinesAtTheStartOfBlocks: false
  MacroBlockBegin: ''
  MacroBlockEnd:   ''
  MaxEmptyLinesToKeep: 1
  NamespaceIndentation: None
  ObjCBinPackProtocolList: Auto
  ObjCBlockIndentWidth: 2
  ObjCSpaceAfterProperty: false
  ObjCSpaceBeforeProtocolList: true
  PenaltyBreakAssignment: 2
  PenaltyBreakBeforeFirstCallParameter: 19
  PenaltyBreakComment: 300
  PenaltyBreakFirstLessLess: 120
  PenaltyBreakString: 1000
  PenaltyExcessCharacter: 1000000
  PenaltyReturnTypeOnItsOwnLine: 60
  PointerAlignment: Left
  ReflowComments:  true
  SortIncludes:    true
  SortUsingDeclarations: true
  SpaceAfterCStyleCast: false
  SpaceAfterTemplateKeyword: false
  SpaceBeforeAssignmentOperators: true
  SpaceBeforeCpp11BracedList: true
  SpaceBeforeCtorInitializerColon: true
  SpaceBeforeInheritanceColon: true
  SpaceBeforeParens: Never
  SpaceBeforeRangeBasedForLoopColon: true
  SpaceInEmptyParentheses: false
  SpacesBeforeTrailingComments: 1
  SpacesInAngles:  false
  SpacesInContainerLiterals: true
  SpacesInCStyleCastParentheses: false
  SpacesInParentheses: false
  SpacesInSquareBrackets: false
  Standard:        Cpp11
  TabWidth:        8
  UseTab:          Never
  </code></pre>