Changes in Windows registry, 6.0.33

[nori t]

In 6.0.33 Windows installer,
Why is it that registry key path of "InstallPath" has changed from
"HKEY_LOCAL_MACHINE\SOFTWARE\Apache Software Foundation\Tomcat\6.0" to
"HKEY_LOCAL_MACHINE\SOFTWARE\Apache Software Foundation\Tomcat\6.0\Tomcat6"
?

nori.