def text(name)
      accum = []
      each do |f|
        if f.name? name
          accum << f.to_text
        end
      end
      accum
    end
def text(name)
      accum = []
      each do |f|
        if f.name? name
          accum << f.to_text
        end
      end
      accum
    end
An array of all the values of fields named +name+, converted to text
 (using Field#to_text()).

 TODO - call this #texts(), as in the plural?