Remove whitespace at EOL.

30 files changed, 183 insertions, 183 deletions

diff --git a/usr.sbin/i4b/dtmfdecode/dtmfdecode.1 b/usr.sbin/i4b/dtmfdecode/dtmfdecode.1
index 394d840..1bb5528 100644
--- a/usr.sbin/i4b/dtmfdecode/dtmfdecode.1
+++ b/usr.sbin/i4b/dtmfdecode/dtmfdecode.1
@@ -46,12 +46,12 @@ It reads audio G.711 A-Law coded data from stdin and outputs the detected
 numbers values as ASCII charcters to stdout.
 .Pp
 The detector is implemented as 8 narrow band-pass filters realized with
-an integer double-cross recursive algorithm.  Various ad-hoc methods are 
+an integer double-cross recursive algorithm.  Various ad-hoc methods are
 employed to provide hysteresis and anti-bounce for the detected signals.
 .Sh EXAMPLES
 The command:
 .Bd -literal -offset indent
-dtmfdecode < beep.al 
+dtmfdecode < beep.al
 .Ed
 .Pp
 will print a "1" to stdout.
@@ -61,7 +61,7 @@ ITU Recommendations G.711
 .An -nosplit
 The
 .Nm
-utility was written by 
+utility was written by
 .An Poul-Henning Kamp Aq phk@FreeBSD.org .
-This man page was written by 
+This man page was written by
 .An Hellmuth Michaelis Aq hm@FreeBSD.org .
diff --git a/usr.sbin/i4b/g711conv/g711conv.1 b/usr.sbin/i4b/g711conv/g711conv.1
index f163053..ad20a52 100644
--- a/usr.sbin/i4b/g711conv/g711conv.1
+++ b/usr.sbin/i4b/g711conv/g711conv.1
@@ -84,7 +84,7 @@ bits of the result and moves that to an active isdn4bsd telephone connection.
 .Sh AUTHORS
 The
 .Nm
-utility and this manpage were written by 
+utility and this manpage were written by
 .An Hellmuth Michaelis Aq hm@kts.org
-based on the G.711 conversion reference code written by Sun Microsystems, 
+based on the G.711 conversion reference code written by Sun Microsystems,
 Inc. and code contributed to isdn4bsd by Stefan Bethke.
diff --git a/usr.sbin/i4b/isdnd/isdnd.acct.5 b/usr.sbin/i4b/isdnd/isdnd.acct.5
index 538c4f7..fdb30d3 100644
--- a/usr.sbin/i4b/isdnd/isdnd.acct.5
+++ b/usr.sbin/i4b/isdnd/isdnd.acct.5
@@ -22,7 +22,7 @@
 .\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 .\" SUCH DAMAGE.
 .\"
-.\"	$Id: isdnd.acct.5,v 1.11 1999/12/13 22:11:55 hm Exp $ 
+.\"	$Id: isdnd.acct.5,v 1.11 1999/12/13 22:11:55 hm Exp $
 .\"
 .\" $FreeBSD$
 .\"
@@ -101,7 +101,7 @@ This is a typical accounting line:
 .Xr isdnd.rc 5 ,
 .Xr isdnd 8
 .Sh AUTHORS
-The 
+The
 .Xr isdnd 8
-daemon and this manual page were written by 
+daemon and this manual page were written by
 .An Hellmuth Michaelis Aq hm@kts.org .
diff --git a/usr.sbin/i4b/isdnd/isdnd.rates.5 b/usr.sbin/i4b/isdnd/isdnd.rates.5
index 4752859..7ada783 100644
--- a/usr.sbin/i4b/isdnd/isdnd.rates.5
+++ b/usr.sbin/i4b/isdnd/isdnd.rates.5
@@ -22,7 +22,7 @@
 .\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 .\" SUCH DAMAGE.
 .\"
-.\"	$Id: isdnd.rates.5,v 1.10 1999/12/13 22:11:55 hm Exp $ 
+.\"	$Id: isdnd.rates.5,v 1.10 1999/12/13 22:11:55 hm Exp $
 .\"
 .\" $FreeBSD$
 .\"
@@ -41,14 +41,14 @@ contains descriptions how long charging units last at a given time of day,
 day of week and the distance to the destination. If this file is available,
 this information may be used by the
 .Xr isdnd 8
-ISDN connection management daemon to calculate the short hold time for a 
+ISDN connection management daemon to calculate the short hold time for a
 connection.
 .Pp
 The format of a rate entry line is as follows:
 .Pp
 The first field, the
 .Pq Fa rate-code
-defines a collection of rates (for each day of the week) which can be 
+defines a collection of rates (for each day of the week) which can be
 referenced in the
 .Xr isdnd 8
 configuration file
@@ -104,10 +104,10 @@ The rates subsystem for the
 .Xr isdnd 8
 daemon to which
 .Nm
-belongs was designed and written by 
+belongs was designed and written by
 .An Gary Jennejohn .
 .Pp
 The
 .Xr isdnd 8
-daemon and this manual page were written by 
+daemon and this manual page were written by
 .An Hellmuth Michaelis Aq hm@kts.org .
diff --git a/usr.sbin/i4b/isdnd/isdnd.rc.5 b/usr.sbin/i4b/isdnd/isdnd.rc.5
index b2ea569..ee5be5c 100644
--- a/usr.sbin/i4b/isdnd/isdnd.rc.5
+++ b/usr.sbin/i4b/isdnd/isdnd.rc.5
@@ -36,7 +36,7 @@
 The file
 .Pa /etc/isdn/isdnd.rc
 contains (if not otherwise specified on the command line) the runtime
-configuration for the 
+configuration for the
 .Xr isdnd 8
 ISDN connection management daemon which is part of the isdn4bsd package.
 .Pp
@@ -65,7 +65,7 @@ sections and one or more
 sections.
 In the
 .Em system
-section parameters regarding the daemon operation or parameters 
+section parameters regarding the daemon operation or parameters
 not associated with a single remote connection can be set.
 In the
 .Em controller
@@ -81,7 +81,7 @@ The following keywords are recognized by
 .Bl -tag -width system
 .It Li system
 This keyword starts the system configuration section.
-It must not 
+It must not
 have a parameter and may be used only once.
 The keyword is mandatory.
 The following keywords are valid in the system configuration section:
@@ -95,7 +95,7 @@ or no charging information is available or is not subscribed.
 .It Li acctfile
 Specifies the name of the accounting file which is used when the keyword
 .Em useacctfile
-(see below) is set to 
+(see below) is set to
 .Em on .
 See also system keyword
 .Em rotatesuffix .
@@ -111,7 +111,7 @@ The default is off.
 (optional)
 .It Li aliasfile
 Specifies the name of the telephone number-to-name alias database file shared
-with the 
+with the
 .Xr isdntel 1
 utility when alias processing is enabled via the
 .Em aliasing
@@ -143,7 +143,7 @@ The default is off.
 (optional)
 .It Li mailer
 This keyword is used to specify the path/name of a mail program which
-which is able to use the "-s" flag to specify a subject on its 
+which is able to use the "-s" flag to specify a subject on its
 command line.
 In case of a fatal error exit of
 .Nm
@@ -161,8 +161,8 @@ in case of a fatal error exit of
 (optional)
 .It Li monitor-allowed
 If this parameter is set to
-.Em on 
-or 
+.Em on
+or
 .Em yes ,
 monitoring via a local or remote machine is enabled.
 This parameter is optional and is set to
@@ -174,8 +174,8 @@ This integer parameter is optional and is set to port 451 by default.
 .It Li monitor
 This keyword specifies a local socket name or a host or network for remote
 monitoring.
-The 
-.Em monitor 
+The
+.Em monitor
 specification may either be:
 .Pp
 .Bl -tag -width Ds -compact
@@ -191,7 +191,7 @@ example: localhost
 example: up-vision-net/24
 .El
 .It Li monitor-access
-This keyword specifies the access rights for a previously used 
+This keyword specifies the access rights for a previously used
 .Em monitor
 keyword.
 The supported access rights are:
@@ -251,15 +251,15 @@ If this keyword is omitted, the log-files are just closed and reopened; this
 is also the default behavior.
 (optional)
 .It Li rtprio
-Specifies the real-time priority 
+Specifies the real-time priority
 .Nm isdnd
 runs at as an integer value in the range 0...31 with 0 being the highest
 priority.
-This keyword is optional; if not specified the process priority of 
+This keyword is optional; if not specified the process priority of
 .Nm isdnd
 is not touched in any way.
 ( See also
-.Xr rtprio 1 
+.Xr rtprio 1
 ).
 This keyword is only available if
 .Nm
@@ -273,15 +273,15 @@ accounting file.
 .El
 .It Li controller
 This keyword starts the controller configuration section.
-It must not 
+It must not
 have a parameter and may be used once for every controller.
 The keyword
 is optional.
-The following keywords are valid in a controller 
+The following keywords are valid in a controller
 configuration section:
 .Bl -tag -width useacctfile
 .It Li protocol
-This keyword is used to set the D-channel protocol for the S0-bus a 
+This keyword is used to set the D-channel protocol for the S0-bus a
 controller is connected to.
 The following parameters are currently
 supported:
@@ -352,7 +352,7 @@ No framing at all (used for telephony).
 .It Li budget-calloutperiod
 is used to specify a time period in seconds.
 Within this period, the number of calls
-specified by 
+specified by
 .Em budget-calloutncalls
 are allowed to succeed, any further attempt to call out will be blocked for the rest
 of the time left in the time period.
@@ -396,11 +396,11 @@ The time in seconds to wait for a remote site calling back the local site
 after a call from the local site to the remote site has been made.
 (optional)
 .It Li clone
-This causes the contents of the specified entry to be copied from the 
+This causes the contents of the specified entry to be copied from the
 existing named entry to the current one.
 When using this feature at least a new entry specific
 .Ql name
-and 
+and
 .Ql usrdeviceunit
 value should be specified for the current entry.
 .It Li connectprog
@@ -411,11 +411,11 @@ expects to find the program below the path
 .Pa /etc/isdn
 which is prepended to the string specified as a parameter to this keyword.
 The programs specified by connect and disconnect will get the following
-command line arguments: -d (device) -f (flag) [ -a (addr) ] where 
+command line arguments: -d (device) -f (flag) [ -a (addr) ] where
 .Em device
-is the name of device, e.g. "isp0", 
+is the name of device, e.g. "isp0",
 .Em flag
-will be "up" if connection just got up, or "down" if interface changed to down 
+will be "up" if connection just got up, or "down" if interface changed to down
 state and
 .Em addr
 the address that got assigned to the interface as a dotted-quad ip address
@@ -495,8 +495,8 @@ seconds).
 further up).
 This keyword is optional.
 .It Li downtime
-is used to configure the time in seconds an interface is disabled 
-after the configured number of 
+is used to configure the time in seconds an interface is disabled
+after the configured number of
 .Em downtries .
 (see also the keyword
 .Em usedown
@@ -536,20 +536,20 @@ this channel but mark the request as
 .Em preferred
 (the indicated channel is preferred) instead of exclusive (only the indicated
 channel is acceptable).
-Thus the exchange is still free to select another 
+Thus the exchange is still free to select another
 than the requested channel!
 (mandatory)
 .It Li isdntxdel-incoming
 A delay value suitable for the
 .Xr timeout 9
 kernel subroutine to delay the transmission of the first packet after a
-successful connection is made by this value for 
+successful connection is made by this value for
 .Em incoming
 ISDN connections.
 The specification unit is 1/100 second.
 A zero (0) disables
 this feature and is the default value.
-This feature is implemented (and makes 
+This feature is implemented (and makes
 sense only) for the
 .Xr i4bipr 4
 IP over raw HDLC ISDN driver.
@@ -558,11 +558,11 @@ IP over raw HDLC ISDN driver.
 A delay value suitable for the
 .Xr timeout 9
 kernel subroutine to delay the transmission of the first packet after a
-successful connection is made by this value for 
+successful connection is made by this value for
 .Em outgoing
 ISDN connections.
 The specification unit is 1/100 second.
-A zero (0) disables   
+A zero (0) disables
 this feature and is the default value.
 This feature is implemented (and makes
 sense only) for the
@@ -575,13 +575,13 @@ When dialing
 out to a remote site, the number specified here is put into the
 .Em "Calling Party Number Information Element" .
 .Pp
-This keyword is mandatory for the 
-.Em ipr 
+This keyword is mandatory for the
+.Em ipr
 user-land interfaces.
 .It Li local-phone-incoming
 The local telephone number used for verifying the destination of incoming
 calls.
-When a remote site dials in, this number is used to verify that it 
+When a remote site dials in, this number is used to verify that it
 is the local site which the remote site wants to connect to.
 It is compared
 with the
@@ -600,10 +600,10 @@ to a remote site and for accounting purposes.
 .It Li ppp-auth-paranoid
 If set to
 .Em no ,
-the remote site is not required to prove its authentity for connections 
+the remote site is not required to prove its authentity for connections
 that are initiated by the local site.
-The default is 
-.Em yes 
+The default is
+.Em yes
 and requires the remote site to always authenticate.
 .Pp
 This keyword is only used if
@@ -616,7 +616,7 @@ PPP interface.
 Set to
 .Em no ,
 if the other side does not support re-challenging for chap.
-The default is 
+The default is
 .Em yes ,
 which causes verification of the remote site's authentity once in a while.
 .Pp
@@ -628,34 +628,34 @@ PPP interface.
 (optional)
 .It Li ppp-expect-auth
 The local site expects the authentity of the remote site to be proved by
-the specified method. 
+the specified method.
 The supported methods are:
 .Pp
 .Bl -tag -width Ds -compact
 .It Ar none
 Do not require the other side to authenticate.
-Typical uses are dial-out to an ISP 
+Typical uses are dial-out to an ISP
 (many ISPs do not authenticate themselves to clients)
 or offering anonymous dial-in at the local site.
 .It Ar chap
-The preferred authentication method, which does not require a password to be sent 
+The preferred authentication method, which does not require a password to be sent
 in the clear.
 .It Ar pap
-The unprotected authentication method, which allows anybody watching the wire 
+The unprotected authentication method, which allows anybody watching the wire
 to grab name and password.
 .El
 .Pp
-If 
+If
 .Em ppp-auth-paranoid
-is set to 
-.Em no 
-(the default is 
+is set to
+.Em no
+(the default is
 .Em yes )
 outgoing connections will not require the remote site to authenticate itself.
 .Pp
 This keyword is only used for the
 .Em isp
-PPP interfaces. 
+PPP interfaces.
 (optional)
 .It Li ppp-expect-name
 The name that has to be provided by the remote site to prove its authentity.
@@ -683,16 +683,16 @@ The currently supported parameters are:
 .It Ar none
 The remote site does not expect or support authentication.
 .It Ar chap
-The preferred authentication method, which does not require a password to be sent 
+The preferred authentication method, which does not require a password to be sent
 in the clear.
 .It Ar pap
-The unprotected authentication method, which allows anybody watching the wire 
+The unprotected authentication method, which allows anybody watching the wire
 to grab name and password.
 .El
 .Pp
 This keyword is only used for the
 .Em isp
-PPP interfaces. 
+PPP interfaces.
 (optional)
 .It Li ppp-send-name
 The authentication name sent to the remote site.
@@ -723,7 +723,7 @@ days of the week & times per day).
 The time in seconds to wait between dial retries.
 (optional)
 .It Li remdial-handling
-is used to specify the dialout behavior in case more than one outgoing 
+is used to specify the dialout behavior in case more than one outgoing
 number is specified.
 The currently supported parameters are:
 .Pp
@@ -754,7 +754,7 @@ When a remote site
 dials in, this number is used to verify that it is the correct remote site
 which is herewith authorized to connect into the local system.
 This parameter
-is compared against the 
+is compared against the
 .Em "Calling Party Number Information Element"
 got from the telephone exchange.
 .Pp
@@ -774,7 +774,7 @@ The currently configurable values are:
 .Pp
 .Bl -tag -width Ds -compact
 .It Ar none
-Then unitlength is not specified anywhere. 
+Then unitlength is not specified anywhere.
 .It Ar cmdl
 Use the unitlength specified on the command line.
 .It Ar conf
@@ -835,7 +835,7 @@ indicator ( see also the
 .Em holidayfile
 keyword in the system section ) separated by commas followed by an optional
 daytime range specification in the form hh:mm-hh:mm.
-The weekdays are specified as numbers from 0 to 6 and the number 7 for 
+The weekdays are specified as numbers from 0 to 6 and the number 7 for
 holidays:
 .Pp
 .Bl -tag -width Ds -compact
@@ -891,7 +891,7 @@ unit time: typical values are one to five minutes.
 Outgoing call disconnect time can be setup in one of three ways:
 .Bl -tag -width "shorthold mode
 .It Li simple mode
-For simple mode, the 
+For simple mode, the
 .Em idle-algorithm-outgoing
 must be
 .Em fix-unit-size
@@ -899,7 +899,7 @@ and the selected
 .Em unitlength
 must be 0 (zero) and
 .Em idletime-outgoing
-greater zero. 
+greater zero.
 .Pp
 The outgoing traffic is constantly monitored, and in case there was
 not traffic taking place for the time in seconds specified by
@@ -908,13 +908,13 @@ the call is closed.
 .Pp
 Typical values in simple mode are 10 to 30 seconds.
 .It Li shorthold mode for fixed unit charging
-For shorthold mode, the 
+For shorthold mode, the
 .Em idle-algorithm-outgoing
 must be
 .Em fix-unit-size
 and the selected
-.Em unitlength 
-and 
+.Em unitlength
+and
 .Em idletime-outgoing
 must be greater than 0 (zero);
 .Em earlyhangup
@@ -938,19 +938,19 @@ at the beginning of the next unit.
 In case no traffic was detected during
 the check-window, the line is closed at the end of the check window.
 .Pp
-Notice: 
+Notice:
 .Em unitlength
 must (!) be greater than the sum of
 .Em idletime-outgoing
 and
 .Em earlyhangup !
 .It Li shorthold mode for variable unit charging
-For shorthold mode, the 
+For shorthold mode, the
 .Em idle-algorithm-outgoing
 must be
 .Em var-unit-size
 and the selected
-.Em unitlength 
+.Em unitlength
 and
 .Em idletime-outgoing
 must be greater than 0 (zero);
@@ -1001,10 +1001,10 @@ ISDN daemon.
 .Xr isdnmonitor 8
 .Sh AUTHORS
 .An -nosplit
-The 
+The
 .Xr isdnd 8
-daemon and this manual page were written by 
+daemon and this manual page were written by
 .An Hellmuth Michaelis Aq hm@FreeBSD.org .
 .Pp
-Additions to this manual page by 
+Additions to this manual page by
 .An Barry Scott Aq barry@scottb.demon.co.uk .
diff --git a/usr.sbin/i4b/isdndebug/isdndebug.8 b/usr.sbin/i4b/isdndebug/isdndebug.8
index 214a493..0db47d0 100644
--- a/usr.sbin/i4b/isdndebug/isdndebug.8
+++ b/usr.sbin/i4b/isdndebug/isdndebug.8
@@ -50,7 +50,7 @@
 .Op Fl Q
 .Sh DESCRIPTION
 .Nm
-is part of the isdn4bsd package and is used to control the level of 
+is part of the isdn4bsd package and is used to control the level of
 debugging output of the isdn4bsd kernel part.
 Every layer of the isdn4bsd kernel uses a debugging mask which can be
 manipulated using this utility.
@@ -104,5 +104,5 @@ displays the current debugging level for all ISDN layers
 .Sh AUTHORS
 The
 .Nm
-utility and this manpage were written by 
+utility and this manpage were written by
 .An Hellmuth Michaelis Aq hm@kts.org .
diff --git a/usr.sbin/i4b/isdndecode/isdndecode.8 b/usr.sbin/i4b/isdndecode/isdndecode.8
index 6cc1cba..86b0496 100644
--- a/usr.sbin/i4b/isdndecode/isdndecode.8
+++ b/usr.sbin/i4b/isdndecode/isdndecode.8
@@ -53,8 +53,8 @@
 .Op Fl T Ar unit
 .Sh DESCRIPTION
 .Nm
-is part of the isdn4bsd package and is used to provide the user with a 
-detailed mnemonic display of the layers 1, 2 and 3 protocol activities on 
+is part of the isdn4bsd package and is used to provide the user with a
+detailed mnemonic display of the layers 1, 2 and 3 protocol activities on
 the D channel and hex dump of the B channel(s) activities.
 .Pp
 Together with two passive supported cards and an easy to build cable it can
@@ -82,7 +82,7 @@ switch B channel tracing on (default off).
 .It Fl d
 switch D channel tracing off (default on).
 .It Fl f
-Use 
+Use
 .Ar filename
 as the name of a file into which to write tracing output (default filename is
 isdndecode<n> where n is the number of the unit to decode).
@@ -95,18 +95,18 @@ switch displaying of Layer 2 (Q.921) frames off (default on).
 .It Fl o
 switch off writing decode output to a file (default on).
 .It Fl p
-Use 
+Use
 .Ar filename
 as the name of a file used for the -B and -P options (default filename
 is isdntracebin<n> where n is the number of the unit to decode).
 .It Fl u
-Use 
+Use
 .Ar number
 as the unit number of the controller card to decode (default 0).
 .It Fl x
 Decode Layer 3 packets with an unknown protocol discriminator.
 .It Fl B
-Write undecoded binary decode data to a file for later or remote 
+Write undecoded binary decode data to a file for later or remote
 analyzing (default off).
 .It Fl P
 Read undecoded binary decode data from file instead from device (default off).
@@ -149,7 +149,7 @@ isdndecode -f /var/tmp/isdn.decode
 .Ed
 .Pp
 will start D channel tracing on passive controller 0 with all except B
-channel tracing enabled and logs everything into the output file 
+channel tracing enabled and logs everything into the output file
 /var/tmp/isdn.decode.
 .Sh SEE ALSO
 .Xr isdnd 8
@@ -168,5 +168,5 @@ ITU Recommendation X.208, X.209
 .Sh AUTHORS
 The
 .Nm
-utility and this manual page were written by 
+utility and this manual page were written by
 .An Hellmuth Michaelis Aq hm@kts.org .
diff --git a/usr.sbin/i4b/isdnmonitor/isdnmonitor.8 b/usr.sbin/i4b/isdnmonitor/isdnmonitor.8
index 0cc0a3c..0bbb161 100644
--- a/usr.sbin/i4b/isdnmonitor/isdnmonitor.8
+++ b/usr.sbin/i4b/isdnmonitor/isdnmonitor.8
@@ -129,7 +129,7 @@ and
 .Nm .
 .It Fl h
 is used to specify a hostname or a dotted-quad IP address of a machine
-where an 
+where an
 .Xr isdnd 8
 is running which should be monitored.
 .It Fl p
@@ -165,9 +165,9 @@ Still one (or) more left.
 .An -nosplit
 The
 .Nm
-utility was written by 
+utility was written by
 .An Martin Husemann
-and 
+and
 .An Hellmuth Michaelis Aq hm@kts.org .
-This manual page was written by 
+This manual page was written by
 .An Hellmuth Michaelis .
diff --git a/usr.sbin/i4b/isdnphone/isdnphone.8 b/usr.sbin/i4b/isdnphone/isdnphone.8
index 518a9d6..72addf9 100644
--- a/usr.sbin/i4b/isdnphone/isdnphone.8
+++ b/usr.sbin/i4b/isdnphone/isdnphone.8
@@ -70,5 +70,5 @@ dials calls the number 1234 to establish a call on /dev/i4btel0
 .Sh AUTHORS
 The
 .Nm
-utility and this manpage were written by 
+utility and this manpage were written by
 .An Hellmuth Michaelis Aq hm@kts.org .
diff --git a/usr.sbin/i4b/isdntel/isdntel.8 b/usr.sbin/i4b/isdntel/isdntel.8
index 6c66a4b..eef8450 100644
--- a/usr.sbin/i4b/isdntel/isdntel.8
+++ b/usr.sbin/i4b/isdntel/isdntel.8
@@ -23,7 +23,7 @@
 .\" SUCH DAMAGE.
 .\"
 .\"	last edit-date: [Mon Dec 13 23:05:59 1999]
-.\"	
+.\"
 .\" $FreeBSD$
 .\"
 .\"	$Id: isdntel.8,v 1.9 1999/12/13 22:11:55 hm Exp $
@@ -48,7 +48,7 @@ telephone voice messages.
 The following options are supported:
 .Bl -tag -width Ds
 .It Fl a
-Use 
+Use
 .Ar aliasfile
 as the pathname for an aliasfile containing aliases for phone numbers. The
 default path is
@@ -60,7 +60,7 @@ are introduced by a leading blank, tab or "#" character.
 Use
 .Ar spooldir
 as the directory where the incoming voice messages are stored by the
-"answ" script called by 
+"answ" script called by
 .Xr isdnd 8 .
 This defaults to the directory
 .Em /var/isdn .
@@ -92,5 +92,5 @@ Still two or more left.
 .Sh AUTHORS
 The
 .Nm
-utility and this manual page were written by 
+utility and this manual page were written by
 .An Hellmuth Michaelis Aq hm@kts.org .
diff --git a/usr.sbin/i4b/isdntelctl/isdntelctl.8 b/usr.sbin/i4b/isdntelctl/isdntelctl.8
index 5fdeb28..7e5ac24 100644
--- a/usr.sbin/i4b/isdntelctl/isdntelctl.8
+++ b/usr.sbin/i4b/isdntelctl/isdntelctl.8
@@ -88,9 +88,9 @@ displays the currently used sound format for device /dev/i4btel0.
 .Xr g711conv 1 ,
 .Xr i4btel 4 ,
 .Xr isdnd.rc 5 ,
-.Xr isdnd 8   
+.Xr isdnd 8
 .Sh AUTHORS
 The
 .Nm
-utility and this manpage were written by 
+utility and this manpage were written by
 .An Hellmuth Michaelis Aq hm@kts.org .
diff --git a/usr.sbin/i4b/isdntest/isdntest.8 b/usr.sbin/i4b/isdntest/isdntest.8
index 3de153c..e81bb8a 100644
--- a/usr.sbin/i4b/isdntest/isdntest.8
+++ b/usr.sbin/i4b/isdntest/isdntest.8
@@ -48,7 +48,7 @@
 is part of the isdn4bsd package and may be used as a stimulation tool
 for debugging the isdn4bsd kernel functionality.
 .Pp
-NOTE: 
+NOTE:
 .Nm Isdntest
 must be run
 .Em instead
@@ -80,15 +80,15 @@ utility is currently of not much use for end users, it is primarily a debugging
 tool for development and is part of the release in the hope, that someone
 enhances it as a real self test and setup-verification tool!
 .Pp
-.Nm Isdntest 
+.Nm Isdntest
 does almost no error checking and error recovery, so unexpected
 hangs or crashes may occur.
 .Sh EXAMPLES
-For the following example, it is assumed that a machine with isdn4bsd 
+For the following example, it is assumed that a machine with isdn4bsd
 installed is connected to an S0 bus and that one of the valid MSN's (MSN = Multiple Subscriber Number
 = telephone number) on this bus is
 .Em 42 .
-The 
+The
 .Xr isdnd 8
 .Em must
 not currently running on that machine! Executing:
@@ -107,5 +107,5 @@ has to be finished by the user by entering Control-C.
 .Sh AUTHORS
 The
 .Nm
-utility and this manpage were written by 
+utility and this manpage were written by
 .An Hellmuth Michaelis Aq hm@kts.org .
diff --git a/usr.sbin/i4b/isdntrace/isdntrace.8 b/usr.sbin/i4b/isdntrace/isdntrace.8
index 2b651ee..4017dd1 100644
--- a/usr.sbin/i4b/isdntrace/isdntrace.8
+++ b/usr.sbin/i4b/isdntrace/isdntrace.8
@@ -56,8 +56,8 @@
 .Op Fl T Ar unit
 .Sh DESCRIPTION
 .Nm
-is part of the isdn4bsd package and is used to provide the user with a 
-mnemonic display of the layers 1, 2 and 3 protocol activities on 
+is part of the isdn4bsd package and is used to provide the user with a
+mnemonic display of the layers 1, 2 and 3 protocol activities on
 the D channel and hex dump of the B channel(s) activities.
 .Pp
 Together with two passive supported cards and an easy to build cable it can
@@ -70,10 +70,10 @@ utility is only available for passive supported cards.
 .Pp
 .Em Note
 .Pp
-All filenames, user specified or default, get a date and time stamp string 
+All filenames, user specified or default, get a date and time stamp string
 added in the form -yyyymmdd-hhmmss: a hyphen, four digits year, two digits
-month and day, a hyphen and two digits hour, minutes and seconds. 
-Tracefiles no longer get overwritten. 
+month and day, a hyphen and two digits hour, minutes and seconds.
+Tracefiles no longer get overwritten.
 In case a new filename is needed within a second, the filename-generating
 mechanism sleeps one second.
 .Pp
@@ -97,7 +97,7 @@ switch B channel tracing on (default off).
 .It Fl d
 switch D channel tracing off (default on).
 .It Fl f
-Use 
+Use
 .Ar filename
 as the name of a file into which to write tracing output (default filename is
 isdntrace<n> where n is the number of the unit to trace).
@@ -108,12 +108,12 @@ print layer 1 (I.430) INFO signals to monitor layer 1 activity (default off).
 .It Fl l
 switch displaying of Layer 2 (Q.921) frames off (default on).
 .It Fl n
-This option takes a numeric argument specifying the minimum 
+This option takes a numeric argument specifying the minimum
 frame size in octetts a frame must have to be displayed. (default 0)
 .It Fl o
 switch off writing trace output to a file (default on).
 .It Fl p
-Use 
+Use
 .Ar filename
 as the name of a file used for the -B and -P options (default filename
 is isdntracebin<n> where n is the number of the unit to trace).
@@ -121,14 +121,14 @@ is isdntracebin<n> where n is the number of the unit to trace).
 Switch off printing a raw hexadecimal dump of the packets preceding
 the decoded protocol information (default on).
 .It Fl u
-Use 
+Use
 .Ar number
 as the unit number of the controller card to trace (default 0).
 .It Fl x
 Switch on printing of packets with a non-Q.931 protocol discriminator.
 (default off).
 .It Fl B
-Write undecoded binary trace data to a file for later or remote 
+Write undecoded binary trace data to a file for later or remote
 analyzing (default off).
 .It Fl F
 This option can only be used when option -P (playback from binary data file)
@@ -187,7 +187,7 @@ isdntrace -f /var/tmp/isdn.trace
 .Ed
 .Pp
 will start D channel tracing on passive controller 0 with all except B
-channel tracing enabled and logs everything into the output file 
+channel tracing enabled and logs everything into the output file
 /var/tmp/isdn.trace-yyyymmdd-hhmmss (where yyyymmdd and hhmmss are replaced
 by the current date and time values).
 .Sh SEE ALSO
@@ -210,10 +210,10 @@ ITU Recommendation X.208, X.209
 .An -nosplit
 The
 .Nm
-utility was written by 
+utility was written by
 .An Gary Jennejohn Aq gj@FreeBSD.org
-and 
+and
 .An Hellmuth Michaelis Aq hm@FreeBSD.org .
 .Pp
-This manual page was written by 
+This manual page was written by
 .An Hellmuth Michaelis .
diff --git a/usr.sbin/i4b/ispppcontrol/ispppcontrol.8 b/usr.sbin/i4b/ispppcontrol/ispppcontrol.8
index f3cdc36..5eb939f 100644
--- a/usr.sbin/i4b/ispppcontrol/ispppcontrol.8
+++ b/usr.sbin/i4b/ispppcontrol/ispppcontrol.8
@@ -234,7 +234,7 @@ by the previous example.
 .Sh HISTORY
 The
 .Nm
-utility is based on the 
+utility is based on the
 .Xr spppcontrol 8
 utility which appeared in
 .Fx 3.0 .
diff --git a/usr.sbin/i4b/man/i4b.4 b/usr.sbin/i4b/man/i4b.4
index df7c28c..78b95ff 100644
--- a/usr.sbin/i4b/man/i4b.4
+++ b/usr.sbin/i4b/man/i4b.4
@@ -106,5 +106,5 @@ Charging information from the kernel.
 .Sh AUTHORS
 The
 .Nm
-device driver and this manpage were written by 
+device driver and this manpage were written by
 .An Hellmuth Michaelis Aq hm@kts.org .
diff --git a/usr.sbin/i4b/man/i4bctl.4 b/usr.sbin/i4b/man/i4bctl.4
index bfc5a08..77983fe 100644
--- a/usr.sbin/i4b/man/i4bctl.4
+++ b/usr.sbin/i4b/man/i4bctl.4
@@ -49,5 +49,5 @@ of the isdn4bsd package kernel ISDN handling layers.
 .Sh AUTHORS
 The
 .Nm
-device driver and this manpage were written by 
+device driver and this manpage were written by
 .An Hellmuth Michaelis Aq hm@kts.org .
diff --git a/usr.sbin/i4b/man/i4bing.4 b/usr.sbin/i4b/man/i4bing.4
index 96f92bbe..8fb0c21 100644
--- a/usr.sbin/i4b/man/i4bing.4
+++ b/usr.sbin/i4b/man/i4bing.4
@@ -39,7 +39,7 @@
 .Sh DESCRIPTION
 The
 .Nm
-driver interfaces the FreeBSD NetGraph subsystem with the 
+driver interfaces the FreeBSD NetGraph subsystem with the
 isdn4bsd package.
 .Pp
 The driver just packs packets received from the NetGraph subsystem without
@@ -63,5 +63,5 @@ daemon to establish a connection.
 .Sh AUTHORS
 The
 .Nm
-device driver and this manpage were written by 
+device driver and this manpage were written by
 .An Hellmuth Michaelis Aq hm@kts.org .
diff --git a/usr.sbin/i4b/man/i4bipr.4 b/usr.sbin/i4b/man/i4bipr.4
index e3fa3dd..25d0163 100644
--- a/usr.sbin/i4b/man/i4bipr.4
+++ b/usr.sbin/i4b/man/i4bipr.4
@@ -41,7 +41,7 @@ none
 .Sh DESCRIPTION
 The
 .Nm
-driver interfaces the IP subsystem of the operating system with the 
+driver interfaces the IP subsystem of the operating system with the
 isdn4bsd package so that transport of IP packets over an ISDN link
 is possible.
 .Pp
@@ -67,19 +67,19 @@ with the
 .Nm ipr
 interfaces.
 .Pp
-The driver optionally (when compiled with the IPR_VJ option) provides Van 
+The driver optionally (when compiled with the IPR_VJ option) provides Van
 Jacobsen header compression, under control of the link0 and link1 options to
 .Xr ifconfig 8
 :
-.Pp 
+.Pp
 .Bl -tag -width 15n -offset indent -compact
 .It link0
 Apply VJ compression to outgoing packets on this interface, and assume that
 incoming packets require decompression.
 .It link1
 Check incoming packets for Van Jacobsen compression; if they appear to be
-compressed, automatically set link0.  
-.El 
+compressed, automatically set link0.
+.El
 .Pp
 The default values are
 .Em on
@@ -97,5 +97,5 @@ for
 .Sh AUTHORS
 The
 .Nm
-device driver and this manpage were written by 
+device driver and this manpage were written by
 .An Hellmuth Michaelis Aq hm@kts.org .
diff --git a/usr.sbin/i4b/man/i4bisppp.4 b/usr.sbin/i4b/man/i4bisppp.4
index c85282c..aea1b67 100644
--- a/usr.sbin/i4b/man/i4bisppp.4
+++ b/usr.sbin/i4b/man/i4bisppp.4
@@ -41,20 +41,20 @@ none
 .Sh DESCRIPTION
 The
 .Nm
-driver interfaces the IP subsystem of the operating system with the 
+driver interfaces the IP subsystem of the operating system with the
 isdn4bsd package so that a transport of IP packets over an ISDN link
 is possible.
 .Pp
-The driver is just a glue layer between Serge Vakulenko's sppp 
+The driver is just a glue layer between Serge Vakulenko's sppp
 backend and the ISDN4BSD package.
 .Pp
 Beginning with i4b version 0.95 (and only for
 .Fx ) ,
-the sppp 
+the sppp
 subsystem was integrated into the
 .Nm
 driver to support more i4b/ISDN specific options. As a consequence it is no
-longer necessary to add a "options sppp" to your kernel 
+longer necessary to add a "options sppp" to your kernel
 .Xr config 8
 file. For configuration of the i4bsppp driver, either the
 .Xr ispppcontrol 8
@@ -77,14 +77,14 @@ with the
 .Nm isp
 interfaces.
 .Pp
-The 
+The
 .Xr ispppcontrol 8
 utility is used to configure all aspects of PPP required to connect to a
 remote site.
 .Sh LINK0 and LINK1
 The
 .Em link0
-and 
+and
 .Em link1
 flags given as parameters to
 .Xr ifconfig 8
@@ -93,17 +93,17 @@ have the following meaning for the
 devices:
 .Bl -tag -width link0 -compact
 .Pp
-.It Li link0 
+.It Li link0
 wait passively for connection
 .Pp
 .It Li link1
 auto-dial on output
 .El
 .Pp
-The 
-.Em link0 
-and 
-.Em link1 
+The
+.Em link0
+and
+.Em link1
 flags are set to
 .Em off
 by default.
@@ -122,10 +122,10 @@ for a more detailed discussion of the flags,
 .An -nosplit
 The
 .Nm
-device driver was written by 
+device driver was written by
 .An Joerg Wunsch Aq joerg@FreeBSD.org
-and then added to ISDN4BSD by 
+and then added to ISDN4BSD by
 .An Gary Jennejohn Aq gj@FreeBSD.org .
 .Pp
-This manpage was written by 
+This manpage was written by
 .An Hellmuth Michaelis Aq hm@kts.org .
diff --git a/usr.sbin/i4b/man/i4bq921.4 b/usr.sbin/i4b/man/i4bq921.4
index 96805a9..1c499a9 100644
--- a/usr.sbin/i4b/man/i4bq921.4
+++ b/usr.sbin/i4b/man/i4bq921.4
@@ -48,5 +48,5 @@ ITU Recommendation Q.920 and Q.921
 .Sh AUTHORS
 The
 .Nm
-driver and this manpage were written by 
+driver and this manpage were written by
 .An Hellmuth Michaelis Aq hm@kts.org .
diff --git a/usr.sbin/i4b/man/i4bq931.4 b/usr.sbin/i4b/man/i4bq931.4
index 11f8c2d..49c12ec 100644
--- a/usr.sbin/i4b/man/i4bq931.4
+++ b/usr.sbin/i4b/man/i4bq931.4
@@ -48,5 +48,5 @@ ITU Recommendation Q.930 and Q.931
 .Sh AUTHORS
 The
 .Nm
-driver and this manpage were written by 
+driver and this manpage were written by
 .An Hellmuth Michaelis Aq hm@kts.org .
diff --git a/usr.sbin/i4b/man/i4brbch.4 b/usr.sbin/i4b/man/i4brbch.4
index 3ca55a2..90d5138 100644
--- a/usr.sbin/i4b/man/i4brbch.4
+++ b/usr.sbin/i4b/man/i4brbch.4
@@ -49,5 +49,5 @@ part of the isdn4bsd package.
 .Sh AUTHORS
 The
 .Nm
-device driver and this manpage were written by 
+device driver and this manpage were written by
 .An Hellmuth Michaelis Aq hm@kts.org .
diff --git a/usr.sbin/i4b/man/i4btel.4 b/usr.sbin/i4b/man/i4btel.4
index d47a42d..b1075e9 100644
--- a/usr.sbin/i4b/man/i4btel.4
+++ b/usr.sbin/i4b/man/i4btel.4
@@ -55,12 +55,12 @@ Functionality one is used to enable commands to dial out and hang up and
 receive responses about the state of the dial out progress and status.
 This commands may change in the future, for details see the file
 .Em i4b_tel_ioctl.h
-and the 
+and the
 .Xr isdnphone 1
 utility.
 .Pp
 The telephony data stream comes out of the line in a bit-reversed format,
-so the 
+so the
 .Nm
 driver does the bit-reversion process in any case.
 .Pp
@@ -85,38 +85,38 @@ parameters are available:
 .Pp
 .Bl -tag -width Ds -compact -offset indent
 .It Ar CVT_NONE
-do no A-law/u-law audio format conversion. The conversion path looks like 
-this: 
+do no A-law/u-law audio format conversion. The conversion path looks like
+this:
 .Pp
 USER <--> bitreversing <--> ISDN-line
 .Pp
 .It Ar CVT_ALAW2ULAW
-set set audio format conversion to do an audio conversion from A-law 
-(on the ISDN line) to u-law (in the userland). 
-The 
+set set audio format conversion to do an audio conversion from A-law
+(on the ISDN line) to u-law (in the userland).
+The
 .Xr read 2
-conversion path looks like this: 
+conversion path looks like this:
 .Pp
 USER <-- u-law/A-law <-- bitreversing <-- ISDN-line
 .Pp
-and the 
+and the
 .Xr write 2
-conversion path looks like this: 
+conversion path looks like this:
 .Pp
 USER --> u-law/A-law --> bitreversing --> ISDN-line
 .Pp
 .It Ar CVT_ULAW2ALAW
-set set audio format conversion to do an audio conversion from u-law 
+set set audio format conversion to do an audio conversion from u-law
 (on the ISDN line) to A-law (in the userland).
-The 
+The
 .Xr read 2
-conversion path looks like this: 
+conversion path looks like this:
 .Pp
 USER <-- A-law/u-law <-- bitreversing <-- ISDN-line
 .Pp
-and the 
+and the
 .Xr write 2
-conversion path looks like this: 
+conversion path looks like this:
 .Pp
 USER --> A-law/u-law --> bitreversing --> ISDN-line
 .Pp
@@ -132,5 +132,5 @@ A-Law and u-Law are specified in ITU Recommendation G.711.
 .Sh AUTHORS
 The
 .Nm
-device driver and this manpage were written by 
+device driver and this manpage were written by
 .An Hellmuth Michaelis Aq hm@kts.org .
diff --git a/usr.sbin/i4b/man/i4btrc.4 b/usr.sbin/i4b/man/i4btrc.4
index d7e168e..a97b8c6 100644
--- a/usr.sbin/i4b/man/i4btrc.4
+++ b/usr.sbin/i4b/man/i4btrc.4
@@ -51,5 +51,5 @@ utility.
 .Sh AUTHORS
 The
 .Nm
-device driver and this manpage were written by 
+device driver and this manpage were written by
 .An Hellmuth Michaelis Aq hm@kts.org .
diff --git a/usr.sbin/i4b/man/ifpi.4 b/usr.sbin/i4b/man/ifpi.4
index 52358da..4003231 100644
--- a/usr.sbin/i4b/man/ifpi.4
+++ b/usr.sbin/i4b/man/ifpi.4
@@ -60,5 +60,5 @@ The
 driver was written by
 .An Gary Jennejohn Aq gj@FreeBSD.org .
 .Pp
-This manpage was written by 
+This manpage was written by
 .An Hellmuth Michaelis Aq hm@kts.org .
diff --git a/usr.sbin/i4b/man/ifpnp.4 b/usr.sbin/i4b/man/ifpnp.4
index ef965c3..647c154 100644
--- a/usr.sbin/i4b/man/ifpnp.4
+++ b/usr.sbin/i4b/man/ifpnp.4
@@ -43,8 +43,8 @@ The
 driver provides D-channel layer 1 supports as specified in ITU Recommendation
 I.430 and layer 1 support for the B-channel.
 .Pp
-The driver supports passive ISA PnP ISDN cards from AVM, based on the 
-proprietary B-channel controller and ISA PnP interface chip from 
+The driver supports passive ISA PnP ISDN cards from AVM, based on the
+proprietary B-channel controller and ISA PnP interface chip from
 AVM, Berlin, Germany.
 .Sh CAVEATS
 The driver is still in a somewhat experimental state.
@@ -62,7 +62,7 @@ The
 driver was written by
 .An Udo Schweigert Aq ust@cert.siemens.de .
 .Pp
-This manpage was written by 
+This manpage was written by
 .An Hellmuth Michaelis Aq hm@kts.org
 and
 .An Udo Schweigert .
diff --git a/usr.sbin/i4b/man/ihfc.4 b/usr.sbin/i4b/man/ihfc.4
index 83a47c2..5135102 100644
--- a/usr.sbin/i4b/man/ihfc.4
+++ b/usr.sbin/i4b/man/ihfc.4
@@ -78,5 +78,5 @@ The
 driver was written by
 .An Hans Petter Selasky Aq hselasky@c2i.net .
 .Pp
-This manpage was written by 
+This manpage was written by
 .An Hellmuth Michaelis Aq hm@FreeBSD.org .
diff --git a/usr.sbin/i4b/man/isic.4 b/usr.sbin/i4b/man/isic.4
index 1bd462f..c75b575 100644
--- a/usr.sbin/i4b/man/isic.4
+++ b/usr.sbin/i4b/man/isic.4
@@ -176,9 +176,9 @@ The
 driver provides D-channel layer 1 supports as specified in ITU Recommendation
 I.430 and layer 1 support for the B-channel.
 .Pp
-The driver supports several 8 and 16bit passive ISDN cards from various 
+The driver supports several 8 and 16bit passive ISDN cards from various
 manufacturers which are all based upon the popular Siemens ISDN chipset
-consisting of the ISDN Subscriber Access Controller ISAC (such as the 
+consisting of the ISDN Subscriber Access Controller ISAC (such as the
 PEB2085 or PSB 2186) and the High-Level Serial Communications Controller
 Extended HSCX (such as the SAB82525 or PSB21525). The newer IPAC chip
 (which integrates an ISAC and a HSCX in one chip, with the added benefit
@@ -195,9 +195,9 @@ Notice that this cards must not have a
 .Em port
 value in the config line.
 .Pp
-Valid interrupts are 2, 3, 4, 5, 6 and 7. 
+Valid interrupts are 2, 3, 4, 5, 6 and 7.
 .Pp
-The i/o ports are memory mapped and the memory start address may 
+The i/o ports are memory mapped and the memory start address may
 be in the range 0xA0000 to 0xDF000 and uses 4kB of memory.
 .Pp
 .It Ar Teles S0/16, Creatix ISDN-S0, Dr. Neuhaus Niccy 1016
@@ -210,14 +210,14 @@ These boards have a jumper which specifies an i/o base address of either
 0xd80, 0xe80 or 0xf80. The remaining necessary configuration values are then
 programmed at run time by accessing this i/o port.
 .Pp
-Valid interrupts are 2, 3, 4, 5, 10, 11, 12 or 15. 
+Valid interrupts are 2, 3, 4, 5, 10, 11, 12 or 15.
 .Pp
 Valid memory start
 addresses are 0xC0000, 0xC2000, 0xC4000, 0xC6000, 0xC8000, 0xCA000, 0xCC000,
 0xCE000, 0xD0000, 0xD2000, 0xD4000, 0xD6000, 0xD8000, 0xDA000, 0xDC000 and
 0xDE000.
 .Pp
-Notice: Although the Jumpers are labeled 0xd80, 0xe80 or 0xf80, they 
+Notice: Although the Jumpers are labeled 0xd80, 0xe80 or 0xf80, they
 also require i/o space at addresses 0x180, 0x280 or 0x380.
 .Pp
 .It Ar Teles S0/16.3
@@ -242,9 +242,9 @@ The required (optional under NetBSD)
 value is 4.
 .Pp
 These boards have a jumper which specifies an i/o base address of either
-0x200, 0x240, 0x300 or 0x340. 
+0x200, 0x240, 0x300 or 0x340.
 .Pp
-Valid interrupt configurations are 3, 4, 5, 6, 7, 10, 11, 12 or 15. 
+Valid interrupt configurations are 3, 4, 5, 6, 7, 10, 11, 12 or 15.
 .Pp
 Older Versions of the AVM A1 also require setting of an IRQ jumper, newer
 versions of this and the Fritz!Card only have an i/o base jumper and the
@@ -334,7 +334,7 @@ The card addresses are auto-configured by the Zorro bus kernel subsystem.
 The ISDN functions of the boards are at known (to the driver) relative
 addresses.
 .Pp
-Note that currently, you have to jumper the card interupt for 
+Note that currently, you have to jumper the card interupt for
 .Em IPL 2
 instead of IPL 6 (which is used by most AmigaOS software).
 .Pp
@@ -361,17 +361,17 @@ CCITT Recommendation I.430
 .An -nosplit
 The
 .Nm
-driver and this manpage were written by 
+driver and this manpage were written by
 .An Hellmuth Michaelis Aq hm@kts.org .
-It is based on earlier work of 
+It is based on earlier work of
 .An Arne Helme ,
 .An Andrew Gordon
-and 
+and
 .An Gary Jennejohn .
 .Pp
 The complete porting to and maintenance of
 .Nx
-was done by 
+was done by
 .An Martin Husemann Aq martin@rumolt.teuto.de .
 .Pp
 The NetBSD/Amiga ISDN Blaster/Master/MasterII driver was written by
diff --git a/usr.sbin/i4b/man/itjc.4 b/usr.sbin/i4b/man/itjc.4
index 63b282a..8469fe9 100644
--- a/usr.sbin/i4b/man/itjc.4
+++ b/usr.sbin/i4b/man/itjc.4
@@ -62,5 +62,5 @@ The
 driver was written by
 .An Sergio de Souza Prallon Aq prallon@tmp.com.br .
 .Pp
-This manpage was written by 
+This manpage was written by
 .An Hellmuth Michaelis Aq hm@FreeBSD.org .
diff --git a/usr.sbin/i4b/man/iwic.4 b/usr.sbin/i4b/man/iwic.4
index 35452c4..4eac928 100644
--- a/usr.sbin/i4b/man/iwic.4
+++ b/usr.sbin/i4b/man/iwic.4
@@ -66,5 +66,5 @@ The
 driver was written by
 .An Dave Boyce Aq dave@abyss.demon.co.uk .
 .Pp
-This manpage was written by 
+This manpage was written by
 .An Hellmuth Michaelis Aq hm@kts.org .