qdval(k, v)
some responses need quoting
# File lib/net/imap.rb, line 3660 def qdval(k, v) return if k.nil? or v.nil? if %username authzid realm nonce cnonce digest-uri qop".include? k v.gsub!(/([\\"])/, "\\\11"") return '%s="%s"' % [k, v] else return '%s=%s' % [k, v] end end