This bug was originally marked as duplicate of bug 183962, that is already resolved. This bug is still valid, so this seems to be another bug, but it might be related.
Build: NetBeans IDE 7.2 Beta (Build 201205031832)
VM: Java HotSpot(TM) Client VM, 23.1-b03, Java(TM) SE Runtime Environment, 1.7.0_05-b05
OS: Windows 7
GUEST: making a php webpage
Maximum slowness yet reported was 18722 ms, average is 18722
Created attachment 121288 [details]
The same problem as in 213605.
*** This bug has been marked as a duplicate of bug 213605 ***