def abbr_status(value):
    """
    Converts RFC Status to a short abbreviation
    """
    d = {'Proposed Standard':'PS',
         'Draft Standard':'DS',
         'Standard':'S',
         'Historic':'H',
         'Informational':'I',
         'Experimental':'E',
         'Best Current Practice':'BCP',
         'Internet Standard':'IS'}

    return d.get(value,value)