https://issues.dlang.org/show_bug.cgi?id=24194

          Issue ID: 24194
           Summary: Multiline shebang is not supported
           Product: D
           Version: D2
          Hardware: All
                OS: All
            Status: NEW
          Severity: enhancement
          Priority: P1
         Component: dmd
          Assignee: nobody@puremagic.com
          Reporter: alphaglosined@gmail.com

Some software like nix support multi-line shebangs, currently dmd (or dub) does
not support this.

https://github.com/dlang/dmd/blob/8c7c9bead5be5d06f20a7702bdc9010fa16bb595/compiler/src/dmd/lexer.d#L150

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