Product Version = NetBeans IDE 7.3 (Build 201302132200)
Operating System = Mac OS X version 10.8.3 running on x86_64
Java; VM; Vendor = 1.7.0_21
Runtime = Java HotSpot(TM) 64-Bit Server VM 23.21-b01
Created attachment 134373 [details]
What do you mean by 'don't support' ?
I don't understand. Please try to follow bug guidelines and at least for high priority bugs try to describe your problem, what exactly doesn't work, attach screenshots demonstrating your problem and exact steps to reproduce.