Date arithmetic fixes. Date +/- Interval passes all tests again, after fixing a couple of the tests to actually reflect the calendar used on my planet rather than where-ever Richard was when he wrote the test <wink> The basic problem was that when going backwards, the code was adding the days of the current month, rather than the previous month. There's still a bug in the testDateSubtract that I'll fix next. Bugfix candidate (probably)

PYTHON = /usr/bin/python2
STXTOHTML = rst2html

SOURCE = announcement.txt customizing.txt developers.txt FAQ.txt features.txt \
    glossary.txt implementation.txt index.txt design.txt mysql.txt \
    installation.txt upgrading.txt user_guide.txt maintenance.txt \
	postgresql.txt

COMPILED := $(SOURCE:.txt=.html)

all: ${COMPILED}

%.html: %.txt
	${STXTOHTML} --report=warning -d $< $@

clean:
	rm -f ${COMPILED}