Merge topic 'clang-format-9'

af7567342 clang-format: reformat the repository with clang-format-9
72f76d235 clang-format: update configuration for 9.0

Acked-by: Kitware Robot <kwrobot@kitware.com>
Acked-by: Vicente Bolea <vicente.bolea@kitware.com>
Acked-by: Robert Maynard <robert.maynard@kitware.com>
Merge-request: !2216

.clang-format

@@ -1,17 +1,19 @@
 ---
-# This configuration requires clang-format 3.8 or higher.
+# This configuration requires clang-format 9 or higher.
 BasedOnStyle: Mozilla
 AlignAfterOpenBracket: Align
+AlignEscapedNewlines: true
 AlignOperands: false
-AlwaysBreakAfterReturnType: None
+AllowAllParametersOfDeclarationOnNextLine: false
 AlwaysBreakAfterDefinitionReturnType: None
-BreakBeforeBraces: Allman
+AlwaysBreakAfterReturnType: None
 BinPackArguments: false
 BinPackParameters: false
+BreakBeforeBraces: Allman
 ColumnLimit: 100
+# FixNamespaceComments: true
 MaxEmptyLinesToKeep: 4
-Standard: Cpp11
-# This requires clang-format 4.0 (at least).
-#FixNamespaceComments: true
 ReflowComments: false
+SpaceAfterTemplateKeyword: true
+Standard: Cpp11
 ...

.gitattributes

@@ -1,5 +1,5 @@
 # Attributes used for formatting.
-[attr]our-c-style   whitespace=tab-in-indent  format.clang-format
+[attr]our-c-style   whitespace=tab-in-indent  format.clang-format=9
 
 *.cxx   our-c-style
 *.h     our-c-style