With 12.4 onwards, you can see that Cisco IOS adds sequence numbers to each ACL entry. So now I can create an access control list and then remove a line from it.
Router(config)#ip access-list standard test
Router(config-std-nacl)#permit 172.16.1.1
Router(config-std-nacl)#permit 192.168.1.1
Router(config-std-nacl)#permit 10.1.1.1
Router(config-std-nacl)#
Router(config-std-nacl)#exit
Router(config)#exit
Router#
*Jun 6 07:38:14.155: %SYS-5-CONFIG_I: Configured from console by console access
Router#show ip access . . .
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