https://issues.dlang.org/show_bug.cgi?id=18635

          Issue ID: 18635
           Summary: Show list of transition features on dlang.org and the
                    man page
           Product: D
           Version: D2
          Hardware: x86_64
                OS: Linux
            Status: NEW
          Severity: enhancement
          Priority: P1
         Component: dlang.org
          Assignee: nobody@puremagic.com
          Reporter: greensunny12@gmail.com

This file generates the compiler switches: https://github.com/dlang/dlang.org/blob/master/ddoc/source/preprocessor.d

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