# File lib/kwalify/errors.rb, line 49
    def <=>(ex)
      #return @linenum <=> ex.linenum
      v = 0
      v = @linenum <=> ex.linenum if @linenum && ex.linenum
      v = @column  <=> ex.column  if v == 0 && @column && ex.column
      v = @path    <=> ex.path    if v == 0
      return v
    end