# This file registers changes to the module.
# Please write in reverse order: the last version first.

Version 1.22
       fixed a typo, modified the display for the second step, so
       the data are closer to the graphic paper, thanks to
       Bernadette Perrin-Riou's remarks
Version 1.21
       fixed a bug which happened frequently when the refractive
       index of the first medium was higher than the second.
       Thanks to Bernadette Perrin-Riou who pointed it out.
Version 1.20
       this module uses now slib/text/sigunits
       it has new features, like choosing the refraction index
Version 1.00:
	First publication.
        N.B.: this module needs the following scripts:
              - slib/graphpaper/millimetre
              - slib/graphpaper/correct_milli
              - slib/graphpaper/whereclick
