This dialog is very userunfriendly I think! I had to mess up the extensions two times before I figured out what this dialog was thinking.
Maybe it's more logical to create simple add, modify and delete buttons. Now I have to type the extension first, then select a WCX (BTW the open file dialog doesn't remember the last used directory), then press OK. And if i want to install another plugin, I have to bring up the same dialog again...
Configure packer extension WCXs
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