Outputs a list of the properties in the property list named
The odd-numbered items in the list are the property names and the even-numbered items are the property values.
The output is a copy of the actual property list; changing properties later does not change the list that was output by PLIST and vice-versa.
plistname must be a word.
PPROP "plist1 "p1 1 PPROP "plist1 "p2 2 SHOW PLIST "plist1[p2 2 p1 1]