screen_data_str

# File lib/xsd/datatypes.rb, line 660
  def screen_data_str(t)
    /^(\d\d):(\d\d):(\d\d(?:\.(\d*))?)(Z|(?:([+\-])(\d\d):(\d\d))?)?$/ =~ t.to_s.strip
    unless Regexp.last_match
      raise ValueSpaceError.new("#{ type }: cannot accept '#{ t }'.")
    end
    hour = $1.to_i
    min = $2.to_i
    sec = $3.to_i
    secfrac = $4
    zonestr = $5
    data = DateTime.civil(1, 1, 1, hour, min, sec, tz2of(zonestr))
    if secfrac
      diffday = secfrac.to_i.to_r / (10 ** secfrac.size) / SecInDay
      data += diffday
    end
    [data, secfrac]
  end