This library of functions are using the sorce code from
Amos Shapir's "hdate" package fixed and patched by Nadav Har'El.
See the original package's README (hdate_README)

LibHdate is a small C,C++ library for Hebrew dates,
holidays, and reading sequence (parasha). It is using 
the sorce code from Amos Shapir's "hdate" package fixed and 
patched by Nadav Har'El. The Torah reading sequence
is from tables by Zvi Har'El.

15 Adar II 5763 Shusan Purim
kobi zamir <kzamir@walla.co.il>
-------------------------------------

see USE file for usage.