The description/what it does for Z is incorrect. It says "The third parameter (z) identifies the weight allowed for the associated type of items." This is incorrect. The Z variable denotes the quantity of particular items, not the weight (as shown in all the examples below it).
|Field||Original Value||New Value|
|Status||Open [ 1 ]||In Progress [ 3 ]|
|Status||In Progress [ 3 ]||Resolved [ 5 ]|
|Resolution||Fixed [ 1 ]|
|Assignee||Chris Chandler [ barak ]||Eric C. Smith [ maredudd ]|
|Status||Resolved [ 5 ]||Closed [ 6 ]|