# File lib/icalendar/component.rb, line 168
    def add_sliced_text(add_to,escaped)
      escaped = escaped.split('') # split is unicdoe-aware when `$KCODE = 'u'`
      add_to << escaped.slice!(0,MAX_LINE_LENGTH).join << "\r\n " while escaped.length != 0 # shift(MAX_LINE_LENGTH) does not work with ruby 1.8.6
      add_to.gsub!(/ *$/, '')
    end