comments aboit how substitution for parametric splines works
comments aboit how substitution for parametric splines works


git-svn-id: b05eeb0a23d5c37742d722fabc57b55aaad72387@1925 29e17f8d-cf37-471e-a288-72cc03a76eda

XelaRellum/qwt,XelaRellum/qwt,XelaRellum/qwt