2020.2

manually moving options up and down is done without any check on
Order Dependency.
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Delete:Delete the selected Printer Option(s).
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Sort by Order dependency: This sorts the Printer Options by the
order of their dependencies.
Not all Printer Options have dependencies, but for those that do, the
order is important.
For example, consider these following PPD file Printer Option extracts:
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PageRegion:
*OpenUI *PageRegion: PickOne
*OrderDependency: 50 AnySetup *PageRegion
...
*CloseUI: *PageRegion
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InputSlot:
*OpenUI *InputSlot: PickOne
*OrderDependency: 20 AnySetup *InputSlot
...
*CloseUI: *InputSlot
We can see that one has an Order Dependency of 50 and the other 20.
If PageRegion was selected prior to InputSlot in the Add Printer Options
Dialog, then they would appear like this in the Print Wizard:
To sort them into the correct dependance order, use the Sort by Order
dependency button. This will sort them into the proper dependency
sequence. As seen below, where the lower dependency now appears
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