The deck packages uses a simplified markup that is portable, easy to machine-generate, facilitates source control, and not locked to a vendor.
[1] https://speakerdeck.com/ajstarks/deck-a-go-package-for-prese...
[2] http://godoc.org/github.com/ajstarks/deck
[3] http://godoc.org/github.com/ajstarks/deck/generate
[4] https://github.com/ajstarks/deck/tree/master/cmd/pdfdeck