# File lib/mail/utilities.rb, line 26 def quote_phrase( str ) if RUBY_VERSION >= '1.9' original_encoding = str.encoding str.force_encoding('ASCII-8BIT') if (PHRASE_UNSAFE === str) dquote(str).force_encoding(original_encoding) else str.force_encoding(original_encoding) end else (PHRASE_UNSAFE === str) ? dquote(str) : str end end