https://issues.dlang.org/show_bug.cgi?id=21118

          Issue ID: 21118
           Summary: [Oh No! Page Not Found]
                    https://dlang.org/phobos/dmd_backend_cod4.html
           Product: D
           Version: D2
          Hardware: All
               URL: http://dlang.org/
                OS: All
            Status: NEW
          Severity: normal
          Priority: P3
         Component: dlang.org
          Assignee: nobody@puremagic.com
          Reporter: bugzilla@digitalmars.com

It seems the backend documentation files are missing, although dlang has links to them.

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