A simple calendar program in D, to demonstrate its component-programming features. Used as a case study in:
http://wiki.dlang.org/Component_programming_with_ranges
Usage:
dcal
dcal 1971
dcal jan
dcal january
dcal jan 1971
dcal 1971 jan
dcal 1971 1
Month names are case-insensitive.