/sys$common/syshlp/HELPLIB.HLB  —  MACRO  /ALPHA  Directives  .ASCID  Description
    .ASCID performs the same function as the .ASCII directive, except
    that .ASCID inserts a string descriptor before the string data.
    The descriptor format is identical to that defined for OpenVMS
    Alpha and OpenVMS VAX. The string descriptor has the following
    format:
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