Is this a bug? Trying this in 10.6.2
tell application System Events to set myProps to properties of alias foo
visible of myProps > true/false
package folder of myProps > "Can't get" error
Other properties seem randomly accessible or not: busy status,
stationery don't work either; all text properties seem OK.
However:
tell application System Events to set isPkg to package folder of alias foo
isPkg > true/false
and so too for busy status, stationery, etc. when retrieved one-at-a-time
TIA