Nope, your stripe would have been a D90. Documentation often follows a changes, though it *should* be the other way around.
Rich F. dug up the info for you: (thanks Rich!)
Memo from CMD, Central Office, dated December 15, 1967
"...
(Discussion of new colors)
...
The front accent band current included in Camaro SS model option is also being replaced, effective with production on January 2, 1968, with new sport striping. RPO D90 will provide the same type of striping for models not specifying SS options."