Just stumbled upon my old thread.
When I mailed my Forms 709 last year, I mailed them in the same envelope even though "gift splitting" was not explicitly selected. I also included a brief letter explaining in English what the transaction was all about and stating that Mrs. Squirrel and I were gifting community property. I figure the simpler I could make it for the IRS, the smoother it would be handled.
A year later, I haven't heard a peep from the IRS, as expected.
