Fixed encoding issues with man pages

src/etc/man.conf

@@ -26,9 +26,9 @@ MANPATH_MAP	/usr/local/sbin		/usr/local/share/man
 NOCACHE
 
 # Useful paths
-TROFF		/usr/bin/groff -Tps -mandoc
-NROFF		/usr/bin/nroff -mandoc
-JNROFF		/usr/bin/groff -Tnippon -mandocj
+TROFF		/usr/bin/groff -KUTF-8 -Tps -mandoc
+NROFF		GROFF_ENCODING=UTF-8 /usr/bin/nroff -mandoc
+JNROFF		/usr/bin/groff -KUTF-8 -Tnippon -mandocj
 EQN		/usr/bin/geqn -Tps
 NEQN		/usr/bin/geqn -Tlatin1
 JNEQN		/usr/bin/geqn -Tnippon