manpages refer to source-code file?

[ibotty]

i have been digging through newbus.. and wanted to know more, how it works
(for educational purpose).

so, i wanted to know where to find what i want.
(sys/kern/subr_bus.c, for those interested and who didn't knew)

do you think a section SOURCE, where the source files in the kernel (or in
libc for that reason) are, is a good idea?

i understand, that everyone working on this, should know how to search
(ctags and such), but it might still be nice to have that in the manpages.

~ibotty