Copy head@r302406 to stable/11 as part of the 11.0-RELEASE cycle.Prune svn:mergeinfo from the new branch, as nothing has been mergedhere.Additional commits post-branch will follow.Approved by: re (implicit)Sponsored by: The FreeBSD Foundation
rfork_thread(3): Mark deprecated in favor of pthread_create(3).
Replace the return value of rfork_thread(3) in its manual pagefunction prototype with `pid_t' to match the declaration in<unistd.h>.
mdoc(7) police: "The .Fn function".
mdoc(7) police: Use the new .In macro for #include statements.
MFS: in HISTORY section, fix release number of first appearance
Fix broken Fn calls; Fn doesn't take a manual page section as anargument.Terminate the last sentence with a period.
mdoc(7) police: use canonical form of .Dd macro.
Add a skeleton rfork_thread(3) man page.