 The Oaths of Strasbourg offer indications of the state of Gallo-Romance toward the middle of the 9th century.While the language cannot be said with any degree of certainty to be Old French in the sense of the linear precursor to today's standard French, the abundance of Gallo-Romance features provides a glimpse of some particulars of Vulgar Latin's evolution on French soil.Vulgar Latin largely kept much of its classical vocabulary, albeit with some changes in spelling and case usage.