.TP
.B LANG
The name of a locale to use for locale categories when not overridden
-by \fBLC_ALL\fP or more specific environment variables like
-\fBLC_COLLATE\fP, \fBLC_CTYPE\fP, \fBLC_MESSAGES\fP, \fBLC_MONETARY\fP,
-\fBLC_NUMERIC\fP, \fBLC_TIME\fP, cf.
+by
+.B LC_ALL
+or more specific environment variables like
+.BR LC_COLLATE ,
+.BR LC_CTYPE ,
+.BR LC_MESSAGES ,
+.BR LC_MONETARY ,
+.BR LC_NUMERIC ,
+.BR LC_TIME ,
+cf.
.BR locale (5).
.TP
.B PATH
and many other
programs apply in searching for a file known by an incomplete pathname.
The prefixes are separated by \(aq\fB:\fP\(aq.
-(Similarly one has \fBCDPATH\fP used by some shells to find the target
-of a change directory command, \fBMANPATH\fP used by
+(Similarly one has
+.B CDPATH
+used by some shells to find the target
+of a change directory command,
+.B MANPATH
+used by
.BR man (1)
to find manual pages, and so on)
.TP
.\" The user's preferred utility to browse URLs. Sequence of colon-separated
.\" browser commands. See http://www.catb.org/~esr/BROWSER/ .
.PP
-Further names may be placed in the environment by the \fIexport\fP
+Further names may be placed in the environment by the
+.I export
command and "name=value" in
.BR sh (1),
-or by the \fIsetenv\fP command if you use
+or by the
+.I setenv
+command if you use
.BR csh (1).
Arguments may also be placed in the
environment at the point of an