0.1-13	2008-10-17
    *	adapt to changes in R-devel (2.9.0-to-be)

0.1-12	2008-04-03
    *	adapt to more GD changes in R 2.7

0.1-11	2008-03-14
    *	adapt to GD changes in R-devel

    *	add proper unicode and symbol support

0.1-10
    *	adapt to const char* CHARs in R-devel

    *	respect bg parameter


