docs: fix manual page warnings

All warnings where about unnecessary quoting.  The scriptlet
below will tell what was wrong.

for I in ./top/top.1 ./ps/ps.1 ./*.[0-9]; do
    echo "== $I warnings =="
    man --warnings=all $I > /dev/null
done

This should probably be turned to 'make check' script.

Signed-off-by: Sami Kerola <kerolasa@iki.fi>

free.1

@@ -93,5 +93,5 @@ memory information
 Written by Brian Edmonds. 
 .SH "REPORTING BUGS"
 Please send bug reports to
-.UR procps\@freelists.org
+.UR procps@freelists.org
 .UE

kill.1

@@ -82,12 +82,12 @@ This command meets appropriate standards. The
 .B \-L
 flag is Linux-specific.
 .SH AUTHOR
-.UR albert\@users.sf.net
+.UR albert@users.sf.net
 Albert Cahalan
 .UE
 wrote kill in 1999 to replace a bsdutils one that was not standards
 compliant.  The util-linux one might also work correctly.
 .SH "REPORTING BUGS"
 Please send bug reports to
-.UR procps\@freelists.org
+.UR procps@freelists.org
 .UE

pgrep.1

@@ -218,10 +218,10 @@ and
 .B pgrep
 were introduced in Sun's Solaris 7.  This implementation is fully compatible.
 .SH AUTHOR
-.UR kjetilho\@ifi.uio.no
+.UR kjetilho@ifi.uio.no
 Kjetil Torgrim Homme
 .UE
 .SH "REPORTING BUGS"
 Please send bug reports to
-.UR procps\@freelists.org
+.UR procps@freelists.org
 .UE

pmap.1

@@ -59,5 +59,5 @@ Did not find all processes asked for.
 No standards apply, but pmap looks an awful lot like a SunOS command.
 .SH "REPORTING BUGS"
 Please send bug reports to
-.UR procps\@freelists.org
+.UR procps@freelists.org
 .UE

ps/ps.1

@@ -1855,32 +1855,32 @@ ISO/IEC 9945:2003
 .SH AUTHOR
 .B ps
 was originally written by
-.UR lankeste\@\:fwi.\:uva.\:nl
+.UR lankeste@\:fwi.\:uva.\:nl
 Branko Lankester
 .UE .
-.UR johnsonm\@\:redhat.\:com
+.UR johnsonm@\:redhat.\:com
 Michael K. Johnson
 .UE
 re\-wrote it significantly to use the proc filesystem, changing a few things
 in the process.
-.UR mjshield\@\:nyx.\:cs.\:du.\:edu
+.UR mjshield@\:nyx.\:cs.\:du.\:edu
 Michael Shields
 .UE
 added the pid\-list feature.
-.UR cblake\@\:bbn.\:com
+.UR cblake@\:bbn.\:com
 Charles Blake
 .UE
 added multi\-level sorting, the dirent\-style library, the device
 name\-to\-number mmaped database, the approximate binary search directly on
 System.map, and many code and documentation cleanups.  David Mossberger\-Tang
 wrote the generic BFD support for psupdate.
-.UR albert\@\:users.\:sf.\:net
+.UR albert@\:users.\:sf.\:net
 Albert Cahalan
 .UE
 rewrote ps for full Unix98 and BSD support, along with some ugly hacks for
 obsolete and foreign syntax.
 .PP
 Please send bug reports to
-.UR procps\@\:freelists.\:org
+.UR procps@\:freelists.\:org
 .UE .
 No subscription is required or suggested.

pwdx.1

@@ -22,11 +22,11 @@ Output help screen and exit.
 .SH STANDARDS
 No standards apply, but pwdx looks an awful lot like a SunOS command.
 .SH AUTHOR
-.UR nmiell\@gmail.com
+.UR nmiell@gmail.com
 Nicholas Miell
 .UE
 wrote pwdx in 2004.
 .SH "REPORTING BUGS"
 Please send bug reports to
-.UR procps\@freelists.org
+.UR procps@freelists.org
 .UE

skill.1

@@ -103,12 +103,12 @@ Stop three users.
 .SH STANDARDS
 No standards apply.
 .SH AUTHOR
-.UR albert\@users.sf.net
+.UR albert@users.sf.net
 Albert Cahalan
 .UE
 wrote skill and snice in 1999 as a replacement for a non-free
 version.
 .SH "REPORTING BUGS"
 Please send bug reports to
-.UR procps\@freelists.org
+.UR procps@freelists.org
 .UE

slabtop.1

@@ -100,5 +100,5 @@ was inspired by Martin Bligh's perl script,
 .BR vmtop .
 .SH "REPORTING BUGS"
 Please send bug reports to
-.UR procps\@freelists.org
+.UR procps@freelists.org
 .UE

sysctl.8

@@ -149,10 +149,10 @@ echo 256 > /proc/sys/net/ipv6/neigh/eth0/base_reachable_time
 .BR sysctl.conf (5)
 .BR regex (7)
 .SH AUTHOR
-.UR staikos\@0wned.org
+.UR staikos@0wned.org
 George Staikos
 .UE
 .SH "REPORTING BUGS"
 Please send bug reports to
-.UR procps\@freelists.org
+.UR procps@freelists.org
 .UE

sysctl.conf.5

@@ -63,10 +63,10 @@ option
 .SH SEE ALSO
 .BR sysctl (8)
 .SH AUTHOR
-.UR staikos\@0wned.org
+.UR staikos@0wned.org
 George Staikos
 .UE
 .SH "REPORTING BUGS"
 Please send bug reports to
-.UR procps\@freelists.org
+.UR procps@freelists.org
 .UE

tload.1

@@ -47,13 +47,13 @@ if \-d 0 is specified, the alarm is set to 0, which will never send the
 and update the display.
 .SH AUTHORS
 Branko Lankester,
-.UR david\@\:ods.\:com
+.UR david@\:ods.\:com
 David Engel
 .UE , and
-.UR johnsonm\@\:redhat.\:com
+.UR johnsonm@\:redhat.\:com
 Michael K. Johnson
 .UE .
 .SH "REPORTING BUGS"
 Please send bug reports to
-.UR procps\@freelists.org
+.UR procps@freelists.org
 .UE

top/top.1

@@ -809,7 +809,7 @@ secured, simply ask for help and view the system summary on the second
 line.
 
 .TP 7
-\ \ \<\fBEnter\fR> or <\fBSpace\fR> :\fIRefresh-Display \fR
+\ \ <\fBEnter\fR> or <\fBSpace\fR> :\fIRefresh-Display \fR
 These commands awaken \*(We and following receipt of any input
 the entire display will be repainted.
 They also force an update of any hotplugged \*(Pu or \*(MP changes.

uptime.1

@@ -40,11 +40,11 @@ process information
 .SH AUTHORS
 .B uptime
 was written by
-.UR greenfie\@gauss.\:rutgers.\:edu
+.UR greenfie@gauss.\:rutgers.\:edu
 Larry Greenfield
 .UE
 and
-.UR johnsonm\@sunsite.\:unc.\:edu
+.UR johnsonm@sunsite.\:unc.\:edu
 Michael K. Johnson
 .UE
 .SH "SEE ALSO"
@@ -54,5 +54,5 @@ Michael K. Johnson
 .BR w (1)
 .SH "REPORTING BUGS"
 Please send bug reports to
-.UR procps\@freelists.org
+.UR procps@freelists.org
 .UE

vmstat.8

@@ -207,15 +207,15 @@ vmstat uses slabinfo 1.1
 Does not tabulate the block io per device or count the number of system calls.
 .SH AUTHORS
 Written by
-.UR al172\@yfn.\:ysu.\:edu
+.UR al172@yfn.\:ysu.\:edu
 Henry Ware
 .UE .
 .br
-.UR ffrederick\@users.\:sourceforge.\:net
+.UR ffrederick@users.\:sourceforge.\:net
 Fabian Fr\('ed\('erick
 .UE
 (diskstat, slab, partitions...)
 .SH "REPORTING BUGS"
 Please send bug reports to
-.UR procps\@freelists.org
+.UR procps@freelists.org
 .UE

w.1

@@ -81,14 +81,14 @@ process information
 .SH AUTHORS
 .B w
 was re-written almost entirely by Charles Blake, based on the version by
-.UR greenfie\@\:gauss.\:rutgers.\:edu
+.UR greenfie@\:gauss.\:rutgers.\:edu
 Larry Greenfield
 .UE
 and
-.UR johnsonm\@\:redhat.\:com
+.UR johnsonm@\:redhat.\:com
 Michael K. Johnson
 .UE
 .SH "REPORTING BUGS"
 Please send bug reports to
-.UR procps\@freelists.org
+.UR procps@freelists.org
 .UE

watch.1

@@ -185,25 +185,25 @@ The watch will propagate command exit status as child exit status.
 The original
 .B watch
 was written by
-.UR rembo\@\:unisoft.\:com
+.UR rembo@\:unisoft.\:com
 Tony Rems
 .UE
 in 1991, with mods and
 corrections by Francois Pinard.  It was reworked and new features added by
-.UR mkc\@\:acm.\:org
+.UR mkc@\:acm.\:org
 Mike Coleman
 .UE
 in 1999. The beep, exec, and error handling features were added by
-.UR morty\@\:frakir.\:org
+.UR morty@\:frakir.\:org
 Morty Abzug
 .UE
 in 2008.  On a not so dark and stormy morning in March of 2003,
-.UR asd\@\:suespammers.\:org
+.UR asd@\:suespammers.\:org
 Anthony DeRobertis
 .UE
 got sick of his watches that should update every minute eventually updating
 many seconds after the minute started, and added microsecond precision.
 Unicode support was added in 2009 by
-.UR procps\@\:rrod.\:net
+.UR procps@\:rrod.\:net
 Jarrod Lowe
 .UE