.Xs -> .Dq. There's no such thing as ".Xs"; it was a typo for ".Sx". However, .Sx is intended for references to another section of the same man page, not for references to sections of a different man page.diff -r1.4 -r1.5 src/share/man/man9/boothowto.9
(apb)
--- src/share/man/man9/boothowto.9 2009/09/11 19:44:03 1.4
+++ src/share/man/man9/boothowto.9 2009/09/28 18:28:59 1.5