Looking through the source tree, there are pre-generated manual pages for several commands under nss/doc/nroff. These could easily be installed using the doman function. floppym@naomi nss-3.16.1 % find . -name '*.1' ./nss/doc/nroff/certutil.1 ./nss/doc/nroff/cmsutil.1 ./nss/doc/nroff/crlutil.1 ./nss/doc/nroff/derdump.1 ./nss/doc/nroff/modutil.1 ./nss/doc/nroff/pk12util.1 ./nss/doc/nroff/pp.1 ./nss/doc/nroff/signtool.1 ./nss/doc/nroff/signver.1 ./nss/doc/nroff/ssltap.1 ./nss/doc/nroff/vfychain.1 ./nss/doc/nroff/vfyserv.1
+*nss-3.18.1 (23 Apr 2015) + + 23 Apr 2015; Lars Wendler <polynomial-c@gentoo.org> +nss-3.18.1.ebuild, + +files/nss-cacert-class3.patch: + Version bump. Install man pages for utils (bug #516810). Include cacert.org + Class 3 PKI Key (bug #521462). Added dev-db/sqlite and sys-libs/zlib to + DEPEND (bug #544774). +