anchor.diff:  
   (defun vspark (values &key (inf :min) (sup :max) key (size 50)
                              labels title (scale? t) (newline? t))
  -  "Generates a vartical sparkline string for a list of the real numbers.
  +  "Generates a vartical sparkline string for a list of real numbers.
   
   Usage: VSPARK <values> &key <inf> <sup> <key> <size>
                               <labels> <title> <scale?> <newline?>
  
positive.code: ;;;; Last modified: 2013-09-10 22:35:12 tkych
  
  ;; cl-spark/spark.lisp
  
  
negative.code:   * <size>     ~ maximum number of output columns (contains label).
    * <labels>   ~ labels for data.
    * <title>    ~ If title is too big for size, then not print.
    * <scale?>   ~ If T, output graph with scale for easy to see.
                   If string length of inf and sup is too big for size,
                   then not print scale.
    * <newline?> ~ If T, output graph with newlines for easy to see.
  
  
  Examples:
  