https://issues.dlang.org/show_bug.cgi?id=19446

          Issue ID: 19446
           Summary: [std.encoding] BOM.utf7 is missing
           Product: D
           Version: D2
          Hardware: All
               URL: http://dlang.org/phobos/
                OS: All
            Status: NEW
          Severity: enhancement
          Priority: P3
         Component: dlang.org
          Assignee: nobody@puremagic.com
          Reporter: kohei-coco@jcom.home.ne.jp

In the member list of `enum BOM', utf7 is missing. https://dlang.org/phobos/std_encoding.html#BOM

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