P 2012-03-01 EUR $2
P 2012-03-01 GBP $2

2012-03-05 KFC
    Expenses:Food                10 EUR
    Assets:Cash

2012-03-10 KFC
    Expenses:Food                10 GBP
    Assets:Cash

$ hledger -f- check

#test reg food
#12-Mar-05 KFC                   Expenses:Food                10 EUR       10 EUR
#12-Mar-10 KFC                   Expenses:Food                10 GBP       10 EUR
#                                                                          10 GBP
#end test
#
#test reg food -V
#12-Mar-05 KFC                   Expenses:Food                   $20          $20
#12-Mar-10 KFC                   Expenses:Food                   $20          $40
#end test
#
#test reg food -X '$'
#12-Mar-05 KFC                   Expenses:Food                   $20          $20
#12-Mar-10 KFC                   Expenses:Food                   $20          $40
#end test
#
#test reg food -X '$,GBP'
#12-Mar-05 KFC                   Expenses:Food                   $20          $20
#12-Mar-10 KFC                   Expenses:Food                10 GBP          $20
#                                                                          10 GBP
#end test
#
#test reg food -X '$!,GBP'
#12-Mar-05 KFC                   Expenses:Food                   $20          $20
#12-Mar-10 KFC                   Expenses:Food                   $20          $40
#end test
#
#test reg food -X '$,EUR'
#12-Mar-05 KFC                   Expenses:Food                10 EUR       10 EUR
#12-Mar-10 KFC                   Expenses:Food                   $20          $20
#                                                                          10 EUR
#end test
#