Confirm merge from FromPublicMasterBranch to master to sync with https://github.com/MicrosoftDocs/cpp-docs (branch master) (MicrosoftDocs#422)

* Fix Overview link in concurrency-runtime. It was leading to overview-of-the-concurrency-runtime on the old msdn.microsoft.com site, not to asynchronous-message-blocks. * Fix the display of underscore characters * Use inline code block for better formatting Update automatic-linking-of-mfc-library-version.md to use inline code block for define example. * Replace the bogus "operator 0-" with the intended "operator[]"

Author: openpublishbuild