manpath.1: align lists + tag spdx

Reviewed by:	mhorne
MFC after:	3 days
Pull Request:	https://github.com/freebsd/freebsd-src/pull/1458

usr.bin/man/manpath.1

@@ -1,4 +1,6 @@
 .\"-
+.\" SPDX-License-Identifer: BSD-2-Clause
+.\"
 .\"  Copyright (c) 2010 Gordon Tetlow
 .\"  All rights reserved.
 .\"
@@ -40,7 +42,7 @@ the user's
 .Ev PATH ,
 and local configuration files.
 This result is echoed to the standard output.
-.Bl -tag -width ".Fl d"
+.Bl -tag -width "-L"
 .It Fl L
 Output manual locales list instead of the manual path.
 .It Fl d
@@ -89,7 +91,7 @@ entries.
 .Sh ENVIRONMENT
 The following environment variables affect the execution of
 .Nm :
-.Bl -tag -width ".Ev MANLOCALES"
+.Bl -tag -width "MANLOCALES"
 .It Ev MANLOCALES
 If set with the
 .Fl L
@@ -103,7 +105,7 @@ Influences the manual path as described in the
 .Sx IMPLEMENTATION NOTES .
 .El
 .Sh FILES
-.Bl -tag -width indent -compact
+.Bl -tag -width "/usr/local/etc/man.d/*.conf" -compact
 .It Pa /etc/man.conf
 System configuration file.
 .It Pa /usr/local/etc/man.d/*.conf