Update .clang-format

cpp/.clang-format

 ---
-# Last Update: 2019-08-18T02:32:00
+# Last Update: 2020-03-12T16:10:34Z
 Language: Cpp
 AccessModifierOffset: '-2'
 AlignAfterOpenBracket: 'AlwaysBreak'
@@ -13,7 +13,9 @@ BinPackParameters: 'false'
 BreakBeforeBraces: 'Custom'
 BreakBeforeTernaryOperators: 'true'
 BreakConstructorInitializers: 'BeforeComma'
-BreakInheritanceList: 'BeforeComma'
+# https://reviews.llvm.org/D43015
+# Some IDEs or editors using older version of clang-format
+# BreakInheritanceList: 'BeforeComma'
 ColumnLimit: '80'
 CompactNamespaces: 'true'
 DerivePointerAlignment: 'false'
@@ -22,10 +24,18 @@ IncludeBlocks: Regroup
 IndentPPDirectives: AfterHash
 IndentWidth: '2'
 NamespaceIndentation: 'None'
-PointerAlignment: 'Right'
+# https://github.com/llvm-mirror/clang/blob/release_90/lib/Format/WhitespaceManager.cpp#L580-L585
+# This parameter is broken. Please always put pointer operators at the right side.
+#
+# e.g:
+# void       *myVoidPtr;
+# MyDataType *myDataPtr;
+#
+# PointerAlignment: 'Right'
 ReflowComments: 'true'
 SpaceBeforeAssignmentOperators: 'true'
-SpacesInParentheses: 'true'
+# We recommened to follow this format but we don't force to yet.
+# SpacesInParentheses: 'true'
 TabWidth: '2'
 UseTab: Never