parsers.c: Added support for py3k.
This patch adds support for py3k in parsers.c. This is accomplished by including
a header file responsible for abstracting the API differences between python 2
and python 3.
#!/bin/sh
hg init
echo a > a
hg ci -Ama
hg an a
echo "[ui]" >> $HGRCPATH
echo "strict=True" >> $HGRCPATH
hg an a
hg annotate a
echo % should succeed - up is an alias, not an abbreviation
hg up