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Yes it should. Seems that there is a bug that I managed to reproduce in the Showroom application. The "Resources" dropdown menu item to the right is created just like your sample with the difference that it opens in a new tab. The new tab opens, but the link is not loaded.
The code for that main menu is found here. I guess it's pretty much the same as your code?
I'll file this as a bug and set it to be fixed in the first release.