Just to clarify a point, yesterday by chance I re-visited the autobiography (blog) of a former colleague on the Jaguar flight test team, David Brown - he and I sat about 3 desks apart for a couple of years and shred iifts to work!
Chapter 9
http://viewfromthecockpit.********.c...o-england.html
gives some more detail of the spinning, including that it was prototype M05 that did the single seat tests from Istres.
Hope this is of interest (the blog is written from California, hence the US vocab!)