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Properies
Rename
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Delete
My suggestion is to add two more features:
Copy Linked Content
Deleted Linked Content
The functions work as follows:
COPY LINKED CONTENT:
Useful for: Quickly getting contents into all prims of a linked object.
Allows the user to take an object, such as a script, that is in the content of any linked prim, and use this command to place a copy of the script into all the prims linked to it.

DELETE LINKED CONTENT:
Useful for: Mass remove of similar contents in an object
Allows one to rightclick the contents of a prim object, and when the command is used, all instances of that object in the contents of all linked prims will be deleted from their contents.
As someone that scripts a lot of functions into an av prim by prim, being able to quickly place/remove/replace a script into all the prims of a 60-prim attachment, for example, would be a tremendous help!!