- Remove separate handling of /bin and /usr/bin in manpath. They are no

longer a special case.
- Prefer PREFIX/share/man over PREFIX/man.
- Add /usr/local/share/man to man_default_path.
- Update manpath man page.

Reviewed by:	bapt

usr.bin/man/man.sh

@@ -778,26 +778,19 @@ search_path() {
 
 	IFS=:
 	for path in $PATH; do
-		# Do a little special casing since the base manpages
-		# are in /usr/share/man instead of /usr/man or /man.
-		case "$path" in
-		/bin|/usr/bin)	add_to_manpath "/usr/share/man" ;;
-		*)	if add_to_manpath "$path/man"; then
-				:
-			elif add_to_manpath "$path/MAN"; then
-				:
-			else
-				case "$path" in
-				*/bin)	p="${path%/bin}/man"
-					add_to_manpath "$p"
-					p="${path%/bin}/share/man"
-					add_to_manpath "$p"
-					;;
-				*)	;;
-				esac
-			fi
-			;;
-		esac
+		if add_to_manpath "$path/man"; then
+			:
+		elif add_to_manpath "$path/MAN"; then
+			:
+		else
+			case "$path" in
+			*/bin)	p="${path%/bin}/share/man"
+				add_to_manpath "$p"
+				p="${path%/bin}/man"
+				add_to_manpath "$p"
+				;;
+			esac
+		fi
 	done
 	unset IFS
 
@@ -1007,7 +1000,7 @@ SYSCTL=/sbin/sysctl
 
 debug=0
 man_default_sections='1:8:2:3:n:4:5:6:7:9:l'
-man_default_path='/usr/share/man:/usr/share/openssl/man:/usr/local/man'
+man_default_path='/usr/share/man:/usr/share/openssl/man:/usr/local/share/man:/usr/local/man'
 cattool='/usr/bin/zcat -f'
 
 config_global='/etc/man.conf'

usr.bin/man/manpath.1

@@ -25,7 +25,7 @@
 .\"
 .\" $FreeBSD$
 .\"
-.Dd September 1, 2010
+.Dd March 11, 2017
 .Dt MANPATH 1
 .Os
 .Sh NAME
@@ -66,15 +66,10 @@ for the first of:
 .Pa pathname/MAN
 .It
 If pathname ends with /bin:
+.Pa pathname/../share/man
+and
 .Pa pathname/../man
 .El
-Note: Special logic exists to make
-.Pa /bin
-and
-.Pa /usr/bin
-look in
-.Pa /usr/share/man
-for manual files.
 .It
 The configuration files listed in the
 .Sx FILES