mdoc(7) police: protect trailing full stops of abbreviations

with a trailing zero-width space: `e.g.\&'.

lib/libc/gen/getdiskbyname.3

@@ -48,7 +48,7 @@
 The
 .Fn getdiskbyname
 function
-takes a disk name (e.g.
+takes a disk name (e.g.\&
 .Ql rm03 )
 and returns a prototype disk label
 describing its geometry information and the standard

lib/libc/gen/getpwent.3

@@ -131,7 +131,7 @@ The
 function
 closes any open files.
 .Pp
-These routines have been written to ``shadow'' the password file, e.g.
+These routines have been written to ``shadow'' the password file, e.g.\&
 allow only certain programs to have access to the encrypted password.
 If the process which calls them has an effective uid of 0, the encrypted
 password will be returned, otherwise, the password field of the returned

lib/libc/regex/regex.3

@@ -442,7 +442,7 @@ is first ORed with
 the
 .Dq message
 that results is the printable name of the error code,
-e.g.
+e.g.\&
 .Dq Dv REG_NOMATCH ,
 rather than an explanation thereof.
 If

lib/libc/sys/clock_gettime.2

@@ -121,6 +121,6 @@ A user other than the super-user attempted to set the time.
 .Sh STANDARDS
 The
 .Fn clock_gettime ,
-etc.
+etc.\&
 functions conform to
 .St -p1003.1b-93 .

lib/libc/sys/mlock.2

@@ -152,7 +152,7 @@ Unlike The Sun implementation, multiple
 .Fn mlock
 calls on the same address range require the corresponding number of
 .Fn munlock
-calls to actually unlock the pages, i.e.
+calls to actually unlock the pages, i.e.\&
 .Fn mlock
 nests.
 This should be considered a consequence of the implementation

lib/libc/sys/send.2

@@ -108,7 +108,7 @@ The flag
 .Dv MSG_OOB
 is used to send
 .Dq out-of-band
-data on sockets that support this notion (e.g.
+data on sockets that support this notion (e.g.\&
 .Dv SOCK_STREAM ) ;
 the underlying protocol must also support
 .Dq out-of-band

lib/libcam/cam_cdbparse.3

@@ -170,7 +170,7 @@ layer.
 These functions may be used in new applications, but users may find it
 easier to use the various SCSI CCB building functions included with the
 .Xr cam 3
-library.  (e.g.
+library.  (e.g.\&
 .Fn cam_fill_csio ,
 .Fn scsi_start_stop ,
 and

lib/libdisk/libdisk.3

@@ -180,7 +180,7 @@ values for a
 .It CHUNK_PAST_1024
 This chunk cannot be booted from because it extends past cylinder 1024.
 .It CHUNK_BSD_COMPAT
-This chunk is in the BSD-compatibility, and has a short name too, i.e.
+This chunk is in the BSD-compatibility, and has a short name too, i.e.\&
 .Ql wd0s4f -> wd0f .
 .It CHUNK_ALIGN
 This chunk should be aligned.

lib/libedit/editrc.5

@@ -156,7 +156,7 @@ can contain control characters of the form
 .Sm off
 .Sq No ^ Ar character
 .Sm on
-(e.g.
+(e.g.\&
 .Sq ^A ) ,
 and the following backslashed escape sequences:
 .Pp

lib/libm/common_source/infnan.3

@@ -99,7 +99,7 @@ variable
 .Va errno ,
 and allows computation to resume.
 Alternatively, the Reserved Operand Fault Handler could be
-changed to respond by returning that plausible value, etc.
+changed to respond by returning that plausible value, etc.\&
 instead of aborting.
 .Pp
 In the table below, the first two columns show various

lib/libutil/login_ok.3

@@ -93,7 +93,7 @@ is in its canonical form.
 No hostname or address lookups are attempted.
 .Pp
 It is possible to call this function with either the hostname or
-the IP address missing (i.e.
+the IP address missing (i.e.\&
 .Dv NULL )
 and matching will be performed
 only on the basis of the parameter given.

libexec/bootpd/bootptab.5

@@ -32,7 +32,7 @@ default values used by other entries via the
 .Em tc=.dummy-entry
 mechanism.  Most tags must be followed by an equals-sign
 and a value as above.  Some may also appear in a boolean form with no
-value (i.e.
+value (i.e.\&
 .Em :tg: ) .
 The currently recognized tags are:
 .Pp

libexec/fingerd/fingerd.8

@@ -79,7 +79,7 @@ returns a
 report that lists all people logged into
 the system at that moment.
 .Pp
-If a user name is specified (e.g.
+If a user name is specified (e.g.\&
 .Pf eric Aq Tn CRLF )
 then the
 response lists more extended information for only that particular user,

sbin/fdisk/fdisk.8

@@ -123,7 +123,7 @@ is given.
 .Pp
 The final disk name can be provided as a
 .Sq bare
-disk name only, e.g.
+disk name only, e.g.\&
 .Ql da0 ,
 or as a full pathname.
 If omitted,

sbin/fdisk_pc98/fdisk.8

@@ -123,7 +123,7 @@ is given.
 .Pp
 The final disk name can be provided as a
 .Sq bare
-disk name only, e.g.
+disk name only, e.g.\&
 .Ql da0 ,
 or as a fully qualified device node under
 .Pa /dev .

sbin/i386/fdisk/fdisk.8

@@ -123,7 +123,7 @@ is given.
 .Pp
 The final disk name can be provided as a
 .Sq bare
-disk name only, e.g.
+disk name only, e.g.\&
 .Ql da0 ,
 or as a full pathname.
 If omitted,

sbin/init/init.8

@@ -263,7 +263,7 @@ will time out after 30 seconds and print a warning message.
 will cease creating new processes
 and allow the system to slowly die away, if it is sent a terminal stop
 .Pq Dv TSTP
-signal, i.e.
+signal, i.e.\&
 .Dq Li "kill \-TSTP 1" .
 A later hangup will resume full
 multi-user operations, or a terminate will start a single-user shell.
@@ -276,7 +276,7 @@ and
 will terminate all possible processes (again, it will not wait
 for deadlocked processes) and reboot the machine if sent the interrupt
 .Pq Dv INT
-signal, i.e.
+signal, i.e.\&
 .Dq Li "kill \-INT 1".
 This is useful for shutting the machine down cleanly from inside the kernel
 or from X when the machine appears to be hung.

sbin/pc98/fdisk/fdisk.8

@@ -123,7 +123,7 @@ is given.
 .Pp
 The final disk name can be provided as a
 .Sq bare
-disk name only, e.g.
+disk name only, e.g.\&
 .Ql da0 ,
 or as a fully qualified device node under
 .Pa /dev .

sbin/setkey/setkey.8

@@ -484,7 +484,7 @@ If the SA is not available in every level, the kernel will request
 getting SA to the key exchange daemon.
 .Li default
 means the kernel consults to the system wide default against protocol you
-specified, e.g.
+specified, e.g.\&
 .Li esp_trans_deflev
 sysctl variable, when the kernel processes the packet.
 .Li use

share/man/man4/netgraph.4

@@ -1359,7 +1359,7 @@ common networking problems, solved using
 .Sh HISTORY
 The
 .Nm
-system was designed and first implemented at Whistle Communications, Inc.
+system was designed and first implemented at Whistle Communications, Inc.\&
 in a version of
 .Fx 2.2
 customized for the Whistle InterJet.

share/man/man4/scsi.4

@@ -204,7 +204,7 @@ There are currently four debugging flags that may be turned on:
 This debugging flag enables general informational printfs for the device
 or devices in question.
 .It Dv CAM_DEBUG_TRACE
-This debugging flag enables function-level command flow tracing.  i.e.
+This debugging flag enables function-level command flow tracing.  i.e.\&
 kernel printfs will happen at the entrance and exit of various functions.
 .It Dv CAM_DEBUG_SUBTRACE
 This debugging flag enables debugging output internal to various functions.

share/man/man4/splash.4

@@ -89,7 +89,7 @@ either by statically linking the VESA module or by loading the VESA module
 you can load bitmaps up to a resolution of 1024x768, depending on the VESA
 BIOS and the amount of video memory on the video card.
 .Ss Screen saver
-The screen saver will activate when the system is considered idle: i.e.
+The screen saver will activate when the system is considered idle: i.e.\&
 when the user has not typed a key or moved the mouse for a specified period
 of time.
 As the screen saver is an optional module,

share/man/man4/usb.4

@@ -88,7 +88,7 @@ such as descriptors, from the device.
 Each endpoint, except the control endpoint, is unidirectional.
 .Pp
 The endpoints in a device are grouped into interfaces.
-An interface is a logical unit within a device; e.g.
+An interface is a logical unit within a device; e.g.\&
 a compound device with both a keyboard and a trackball would present
 one interface for each.
 An interface can sometimes be set into different modes,
@@ -245,7 +245,7 @@ struct usb_device_stats {
 .Pp
 The
 .Va requests
-field is indexed by the transfer kind, i.e.
+field is indexed by the transfer kind, i.e.\&
 .Va UE_* ,
 and indicates how many transfers of each kind that has been completed
 by the controller.

share/man/man5/rc.conf.5

@@ -130,7 +130,7 @@ set it to melody mode.
 .Pq Vt str
 Path to the configuration file for the
 .Xr pccardd 8
-daemon (e.g.
+daemon (e.g.\&
 .Pa /etc/pccard.conf.sample ) .
 .It Va pccardd_flags
 .Pq Vt str

share/man/man5/resolver.5

@@ -170,7 +170,7 @@ If more than one instance of these keywords is present,
 the last instance will override.
 .Pp
 The keyword and value must appear on a single line, and the keyword
-(e.g.
+(e.g.\&
 .Sy nameserver )
 must start the line.  The value follows
 the keyword, separated by white space.

share/man/man5/sysctl.conf.5

@@ -38,7 +38,7 @@ settings for the kernel.  The
 .Pa /etc/sysctl.conf
 is in the format of the
 .Xr sysctl 8
-command, i.e.
+command, i.e.\&
 .Bd -literal -offset indent
 sysctl_mib=value
 .Ed

share/man/man7/security.7

@@ -539,7 +539,7 @@ It is a very good idea to protect internal services from external access
 by firewalling them off at your border routers.  The idea here is to prevent
 saturation attacks from outside your LAN, not so much to protect internal
 services from network-based root compromise.  Always configure an exclusive
-firewall, i.e.
+firewall, i.e.\&
 .So
 firewall everything *except* ports A, B, C, D, and M-Z
 .Sc .

share/man/man7/tuning.7

@@ -193,7 +193,7 @@ case of a crash but could very easily be several seconds (even a minute!)
 behind updating the physical disk.  If you crash you may lose more work
 than otherwise.  Secondly, softupdates delays the freeing of filesystem
 blocks.  If you have a filesystem (such as the root filesystem) which is
-close to full, doing a major update of it, e.g.
+close to full, doing a major update of it, e.g.\&
 .Em make installworld,
 can run it out of space and cause the update to fail.
 .Pp
@@ -226,7 +226,7 @@ and
 utilities may be used to create simple striped filesystems.  Generally
 speaking, striping smaller partitions such as the root and /var/tmp,
 or essentially read-only partitions such as /usr is a complete waste of
-time.  You should only stripe partitions that require serious I/O performance...
+time.  You should only stripe partitions that require serious I/O performance,
 typically /var, /home, or custom partitions used to hold databases and web
 pages.  Choosing the proper stripe size is also
 important.  Filesystems tend to store meta-data on power-of-2 boundaries

share/man/man9/DRIVER_MODULE.9

@@ -53,7 +53,7 @@ or
 .Li char * .
 .Pp
 .Fa busname
-is the parent bus of the driver (PCI, ISA, PPBUS and others), e.g.
+is the parent bus of the driver (PCI, ISA, PPBUS and others), e.g.\&
 .Ql pci ,
 .Ql isa ,
 or

share/man/man9/bus_release_resource.9

@@ -47,7 +47,7 @@
 Free a resource allocated by
 .Xr bus_alloc_resource 9 .
 The resource must not be in use on release, i.e. call an appropriate function
-before (e.g.
+before (e.g.\&
 .Xr bus_teardown_intr 9
 for IRQs).
 .Bl -item

share/man/man9/devstat.9

@@ -176,7 +176,7 @@ number is currently only a 32-bit integer, but it could be enlarged if
 someone has a system with more than four billion device arrival events.
 .It device_name
 The device name is a text string given by the registering driver to
-identify itself.  (e.g.
+identify itself.  (e.g.\&
 .Dq da ,
 .Dq cd ,
 .Dq sa ,

share/man/man9/style.9

@@ -220,7 +220,7 @@ Functions used from other parts of the kernel are prototyped in the
 relevant include file.
 .Pp
 Functions that are used locally in more than one module go into a
-separate header file, e.g.
+separate header file, e.g.\&
 .Pa extern.h .
 .Pp
 Only use the __P macro from the include file <sys/cdefs.h> if the source
@@ -242,7 +242,7 @@ void	function(int fd);
 In header files visible to userland applications, prototypes that are
 visible must use either protected names or no names with the types.  It
 is preferable to use protected names.
-e.g., use:
+E.g., use:
 .Bd -literal
 void	function(int);
 .Ed

share/man/man9/vnode.9

@@ -185,7 +185,7 @@ and
 .Xr close 2
 system calls.
 .Pp
-Any call which returns a vnode (e.g.
+Any call which returns a vnode (e.g.\&
 .Xr VFS_GET 9 ,
 .Xr VOP_LOOKUP 9
 etc.)

usr.bin/file/magic.5

@@ -121,7 +121,7 @@ If the character is omitted,
 it is assumed to be
 .Em = .
 .It ""
-Numeric values are specified in C form; e.g.
+Numeric values are specified in C form; e.g.\&
 .Em 13
 is decimal,
 .Em 013

usr.bin/ftp/ftp.1

@@ -1175,7 +1175,7 @@ then forks a shell, using
 with the argument supplied, and reads (writes) from the stdin
 (stdout).
 If the shell command includes spaces, the argument
-must be quoted; e.g.
+must be quoted; e.g.\&
 \*(Lq" ls -lt"\*(Rq.
 A particularly
 useful example of this mechanism is: \*(Lqdir \&|more\*(Rq.
@@ -1191,7 +1191,7 @@ c.f. the
 command.
 If the
 .Nm
-command expects a single local file (e.g.
+command expects a single local file (e.g.\&
 .Ic put  ) ,
 only the first filename generated by the "globbing" operation is used.
 .It

usr.bin/mail/mail.1

@@ -601,7 +601,7 @@ Arguments are of the form
 (no space before or after =) or
 .Ar option .
 Quotation marks may be placed around any part of the assignment statement to
-quote blanks or tabs, i.e.
+quote blanks or tabs, i.e.\&
 .Dq Li "set indentprefix=\*q->\*q"
 .It Ic saveignore
 .Ic Saveignore

usr.bin/make/make.1

@@ -452,7 +452,7 @@ variables:
 .It Va \&$
 A single dollar sign
 .Ql \&$ ,
-i.e.
+i.e.\&
 .Ql \&$$
 expands to a single dollar
 sign.

usr.bin/soelim/soelim.1

@@ -65,7 +65,7 @@ Note that inclusion can be suppressed by using
 .Ql \e'
 instead of
 .Ql \e. ,
-i.e.
+i.e.\&
 .Pp
 .Dl \'so /usr/lib/tmac.s
 .Pp

usr.bin/tip/tip/tip.1

@@ -172,7 +172,7 @@ refer to
 for a full description.
 Each system has a default baud rate with which to
 establish a connection.  If this value is not suitable, the baud rate
-to be used may be specified on the command line, e.g.
+to be used may be specified on the command line, e.g.\&
 .Ql "tip -300 mds" .
 .Pp
 When

usr.sbin/lpr/lprm/lprm.1

@@ -80,7 +80,7 @@ is useful only to the super-user.
 A user may dequeue an individual job by specifying its job number.
 This number may be obtained from the
 .Xr lpq  1
-program, e.g.
+program, e.g.\&
 .Pp
 .Bd -literal -offset indent
 \&% lpq \-l

usr.sbin/moused/moused.8

@@ -176,7 +176,7 @@ information are:
 .Pp
 .Bl -tag -compact -width modelxxx
 .It Ar port
-Port (device file) name, i.e.
+Port (device file) name, i.e.\&
 .Pa /dev/cuaa0 ,
 .Pa /dev/mse0
 and

usr.sbin/nghook/nghook.8

@@ -98,7 +98,7 @@ there's no way to control the packetization of the input.
 .Sh HISTORY
 The
 .Em netgraph
-system was designed and first implemented at Whistle Communications, Inc.
+system was designed and first implemented at Whistle Communications, Inc.\&
 in a version of
 .Fx 2.2
 customized for the Whistle InterJet.

usr.sbin/pkg_install/add/pkg_add.1

@@ -184,7 +184,7 @@ package (these usually ending with the
 .Dq .tgz
 suffix) or a
 URL pointing at a file available on an ftp site.  Thus you may
-extract files directly from their anonymous ftp locations (e.g.
+extract files directly from their anonymous ftp locations (e.g.\&
 .Nm
 ftp://ftp.freebsd.org/pub/FreeBSD/packages/shells/bash-1.14.4.tgz).
 Note:  If you wish to use

usr.sbin/sade/sade.8

@@ -193,7 +193,7 @@ loading any required 3rd-party routing daemons as necessary.
 .Bl -tag -width indent
 .It router
 can be set to the name of the desired routing daemon,
-e.g.
+e.g.\&
 .Dq routed
 or
 .Dq gated ,
@@ -751,7 +751,7 @@ The netmask for the selected host interface (non-optional).
 .It _ftpPath
 The fully qualified URL of the FTP site containing the
 .Fx
-distribution you're interested in, e.g.
+distribution you're interested in, e.g.\&
 .Ar ftp://ftp.FreeBSD.org/pub/FreeBSD/ .
 .El
 .It mediaSetFTPActive

usr.sbin/setkey/setkey.8

@@ -484,7 +484,7 @@ If the SA is not available in every level, the kernel will request
 getting SA to the key exchange daemon.
 .Li default
 means the kernel consults to the system wide default against protocol you
-specified, e.g.
+specified, e.g.\&
 .Li esp_trans_deflev
 sysctl variable, when the kernel processes the packet.
 .Li use

usr.sbin/sysinstall/sysinstall.8

@@ -193,7 +193,7 @@ loading any required 3rd-party routing daemons as necessary.
 .Bl -tag -width indent
 .It router
 can be set to the name of the desired routing daemon,
-e.g.
+e.g.\&
 .Dq routed
 or
 .Dq gated ,
@@ -751,7 +751,7 @@ The netmask for the selected host interface (non-optional).
 .It _ftpPath
 The fully qualified URL of the FTP site containing the
 .Fx
-distribution you're interested in, e.g.
+distribution you're interested in, e.g.\&
 .Ar ftp://ftp.FreeBSD.org/pub/FreeBSD/ .
 .El
 .It mediaSetFTPActive

usr.sbin/vidcontrol/vidcontrol.1

@@ -93,10 +93,10 @@ below.
 .It Ar foreground Op Ar background
 Change colors when displaying text.
 Specify the foreground color
-(e.g.
+(e.g.\&
 .Dq vidcontrol white ) ,
 or both a foreground and background colors
-(e.g.
+(e.g.\&
 .Dq vidcontrol yellow blue ) .
 Use the
 .Cm show