text: """
  This is the extension to RFC 5234 which adds case-sensitive char-val.
  
  Collected rules from RFC 7405
  https://tools.ietf.org/html/rfc7405
  """
  
  from ..parser import Rule as _Rule
  from .misc import load_grammar_rules
  from . import rfc5234
  
  
  @load_grammar_rules(
      [
          (rule.name, rule)
          for rule in rfc5234.Rule.rules()
          if rule.name not in {core_rule.name for core_rule in _Rule.rules()}
      ]
  )
  class Rule(_Rule):
      """Rule objects generated from ABNF in RFC 7405."""
  
      grammar = [
          "char-val = case-insensitive-string /\
                             case-sensitive-string",
          'case-insensitive-string =\
                             [ "%i" ] quoted-string',
          'case-sensitive-string =\
                             "%s" quoted-string',
          "quoted-string  =  DQUOTE *(%x20-21 / %x23-7E) DQUOTE\
                                  ; quoted string of SP and VCHAR\
                                  ;  without DQUOTE",
      ]
  