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-rw-r--r--Help/dev/source.rst14
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diff --git a/Help/dev/source.rst b/Help/dev/source.rst
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--- a/Help/dev/source.rst
+++ b/Help/dev/source.rst
@@ -5,3 +5,17 @@ The following is a guide to the CMake source code for developers.
See documentation on `CMake Development`_ for more information.
.. _`CMake Development`: README.rst
+
+C++ Code Style
+==============
+
+We use `clang-format`_ version **3.8** to define our style for C++ code in
+the CMake source tree. See the `.clang-format`_ configuration file for our
+style settings. Use the `Utilities/Scripts/clang-format.bash`_ script to
+format source code. It automatically runs ``clang-format`` on the set of
+source files for which we enforce style. The script also has options to
+format only a subset of files, such as those that are locally modified.
+
+.. _`clang-format`: http://clang.llvm.org/docs/ClangFormat.html
+.. _`.clang-format`: ../../.clang-format
+.. _`Utilities/Scripts/clang-format.bash`: ../../Utilities/Scripts/clang-format.bash