=== initial state: empty ===
 I appearance/color/layer[] = <empty>
=== append two items ===
 I appearance/color/layer[0] = #000001 <<prio=700 from=<cmd_reset *>:0>> conf_rev=1
 I appearance/color/layer[0] = #000001 <<prio=700 from=<cmd_reset *>:0>> conf_rev=2
 I appearance/color/layer[1] = #000002 <<prio=700 from=<cmd_reset *>:0>> conf_rev=2
=== prepend two items ===
 I appearance/color/layer[0] = #000003 <<prio=700 from=<cmd_reset *>:0>> conf_rev=3
 I appearance/color/layer[1] = #000001 <<prio=700 from=<cmd_reset *>:0>> conf_rev=3
 I appearance/color/layer[2] = #000002 <<prio=700 from=<cmd_reset *>:0>> conf_rev=3
 I appearance/color/layer[0] = #000004 <<prio=700 from=<cmd_reset *>:0>> conf_rev=4
 I appearance/color/layer[1] = #000003 <<prio=700 from=<cmd_reset *>:0>> conf_rev=4
 I appearance/color/layer[2] = #000001 <<prio=700 from=<cmd_reset *>:0>> conf_rev=4
 I appearance/color/layer[3] = #000002 <<prio=700 from=<cmd_reset *>:0>> conf_rev=4
=== overwrite item ===
 I appearance/color/layer[0] = #000004 <<prio=700 from=<cmd_reset *>:0>> conf_rev=6
 I appearance/color/layer[1] = #000005 <<prio=710 from=<cmd_reset *>:0>> conf_rev=6
 I appearance/color/layer[2] = #000001 <<prio=700 from=<cmd_reset *>:0>> conf_rev=6
 I appearance/color/layer[3] = #000002 <<prio=700 from=<cmd_reset *>:0>> conf_rev=6
 I appearance/color/layer[0] = #000004 <<prio=700 from=<cmd_reset *>:0>> conf_rev=7
 I appearance/color/layer[1] = #000005 <<prio=710 from=<cmd_reset *>:0>> conf_rev=7
 I appearance/color/layer[2] = #000001 <<prio=700 from=<cmd_reset *>:0>> conf_rev=7
 I appearance/color/layer[3] = #000002 <<prio=700 from=<cmd_reset *>:0>> conf_rev=7
 I appearance/color/layer[4] = #000006 <<prio=710 from=<cmd_reset *>:0>> conf_rev=7
 I appearance/color/layer[0] = #000004 <<prio=700 from=<cmd_reset *>:0>> conf_rev=8
 I appearance/color/layer[1] = #000005 <<prio=710 from=<cmd_reset *>:0>> conf_rev=8
 I appearance/color/layer[2] = #000001 <<prio=700 from=<cmd_reset *>:0>> conf_rev=8
 I appearance/color/layer[3] = #000002 <<prio=700 from=<cmd_reset *>:0>> conf_rev=8
 I appearance/color/layer[4] = #000006 <<prio=710 from=<cmd_reset *>:0>> conf_rev=8
 I appearance/color/layer[5] =  <<prio=0>> conf_rev=8
 I appearance/color/layer[6] =  <<prio=0>> conf_rev=8
 I appearance/color/layer[7] = #000007 <<prio=710 from=<cmd_reset *>:0>> conf_rev=8
=== overwrite array ===
 I appearance/color/layer[0] = #000008 <<prio=720 from=<cmd_reset *>:0>> conf_rev=10
 I appearance/color/layer[1] = #000003 <<prio=700 from=<cmd_reset *>:0>> conf_rev=10
 I appearance/color/layer[2] = #000001 <<prio=700 from=<cmd_reset *>:0>> conf_rev=10
 I appearance/color/layer[3] = #000002 <<prio=700 from=<cmd_reset *>:0>> conf_rev=10
