Other Goodies Planned?

[Brian Gough]

Tom Browder writes:
 > Any plans to add the incomplete beta function in special functions?

It is there but the entry was missing from the manual. I've added
it. The function is gsl_sf_beta_inc(a,b,x) (normalized incomplete beta
function) in <gsl/gsl_sf_gamma.h>.

 > Ditto Spearman Rank-Order Correlation Coefficient for, say, fitting
 > (statistics for)?  P.S. I will be pleased to offer a starting
 > function for the second sugestion.

Ok. Sounds good.  The file doc/gsl-design.texi has the project coding
standards.