Looks like we can't reproduce the issue or there's a problem in the test case provided.
Examples on Staging are broken
A lot of examples are broken:
Tested in FF, Opera.
Caused by: java.lang.NullPointerException: css is null
at Unknown.Ve(Unknown Source)
at Unknown.Ye(Unknown Source)
at Unknown.dpg(Unknown Source)
at Unknown.dub(Unknown Source)
P.S. May be it makes sense to deploy the demo with extra information, so when something happens it will show at least source filenames and line numbe instead of (Unknown Source).
<set-property name="compiler.emulatedStack" value="true"/>
<set-configuration-property name="compiler.emulatedStack.recordFileNames" value="true"/>
This is now fixed in SVN and was also redeployed.
Staging is a nightly build - useful for seeing what else is up and coming, how things are changing, or what new examples are available, but as it is built every night, it may also expose bugs that have not yet been addressed. If you want more stable examples, check out
which contains the latest beta's examples and code, and is much more likely to be stable.