Warn on non-class enum definitions as suggested by the Core Guidelines: https://isocpp.github.io/CppCoreGuidelines/CppCoreGuidelines#Renum-class
---------------------------------- Documentation in clang-tools-extra ---------------------------------- To generate documentation in HTML format from files in clang-tools-extra/docs, build the docs-clang-tools-html target. To generate documentation from the source code using Doxygen, build the doxygen-clang-tools target.