# File lib/mail/parsers/rfc2822.rb, line 2485 def _nt_display_name start_index = index if node_cache[:display_name].has_key?(index) cached = node_cache[:display_name][index] @index = cached.interval.end if cached return cached end r0 = _nt_phrase node_cache[:display_name][start_index] = r0 r0 end