# dates with bad month or day numbers should be rejected
bin/hledger -f- print
<<<
2010/31/12 x
   a  1
   b
>>>2 /bad month number: 31/
>>>= 1
bin/hledger -f- print
<<<
2010/12/32 x
   a  1
   b
>>>2 /bad day number: 32/
>>>= 1
# 29th feb on leap year
bin/hledger -f- print
<<<
2010/2/29 x
   a  1
   b
>>>
2010/02/29 x
    a             1
    b            -1
>>>= 0
# 29th feb on non-leap yeap
bin/hledger -f- print
<<<
2011/2/29 x
   a  1
   b
>>>2 /bad day number: 29/
>>>= 1