improve date parsing for numerous new date formats Add lots of new date formats Formats without year, month, or day default to current Strip leading and trailing whitespace

#!/bin/sh

hg init
touch a
hg add a
hg ci -m "a" -d "1000000 0"

echo 123 > b
hg add b
hg diff --nodates

hg diff --nodates -r tip

echo foo > a
hg diff --nodates