The current version of SSPro (2.91c) outputs a DOCTYPE statement that places a browser into quirks mode (it omits the system identifier). There are quite a few javascript frameworks that will not work in quirks mode.

Is it possible to have an option that would apply to either the entire project or at he page level to enable/disable quirks mode? And maybe also strict/transitional/XHTML modes?

Ditto with this one...