Add more comments in TH1::Fit to illustrate the various ways to access the covariance matrix.
Add more comments in TH1::Fit to illustrate the various ways to access
the covariance matrix.


git-svn-id: ecbadac9c76e8cf640a0bca86f6bd796c98521e3@9609 27541ba8-7e3a-0410-8455-c3a389f83636

dawehner/root,dawehner/root,bbannier/ROOT,dawehner/root,bbannier/ROOT,dawehner/root,dawehner/root,bbannier/ROOT,bbannier/ROOT,dawehner/root,bbannier/ROOT,dawehner/root,bbannier/ROOT,dawehner/root,bbannier/ROOT