Remove single-space hard sentence breaks. These degrade the quality

of the typeset output, tend to make diffs harder to read and provide
bad examples for new-comers to mdoc.

9 files changed, 76 insertions, 38 deletions

diff --git a/usr.sbin/pcvt/cursor/cursor.1 b/usr.sbin/pcvt/cursor/cursor.1
index e396d33..88cb223 100644
--- a/usr.sbin/pcvt/cursor/cursor.1
+++ b/usr.sbin/pcvt/cursor/cursor.1
@@ -52,7 +52,8 @@ The options are as follows:
 .It Fl d
 Specifies a device for which the cursor shape is set.
 .It Fl n
-Sets the virtual screen number to apply the following parameters to. Not
+Sets the virtual screen number to apply the following parameters to.
+Not
 specifying this parameter implies the current virtual screen or the screen
 referenced by the -d parameter.
 .It Fl s
diff --git a/usr.sbin/pcvt/ispcvt/ispcvt.8 b/usr.sbin/pcvt/ispcvt/ispcvt.8
index 19b46a1..d98c206 100644
--- a/usr.sbin/pcvt/ispcvt/ispcvt.8
+++ b/usr.sbin/pcvt/ispcvt/ispcvt.8
@@ -44,7 +44,8 @@
 The
 .Nm ispcvt
 utility allows the user to check whether the current video driver compiled
-into the kernel is a pcvt driver. The major and minor release numbers of
+into the kernel is a pcvt driver.
+The major and minor release numbers of
 the driver are also checked.
 Furthermore
 .Nm ispcvt
@@ -58,13 +59,15 @@ The options are as follows:
 .It Fl d
 Specifies a device for which the check is done.
 .It Fl v
-Specifies being verbose. On success the name and revision is reported, on
+Specifies being verbose.
+On success the name and revision is reported, on
 failure which comparison failed.
 .It Fl c
 This options prints out the values of all
 .Dq Ar PCVT_XXXXXX
 #defines which were given to the compiler at the time the currently running
-kernel was compiled. Specifying
+kernel was compiled.
+Specifying
 .Fl v
 with the
 .Fl c
diff --git a/usr.sbin/pcvt/kcon/kcon.1 b/usr.sbin/pcvt/kcon/kcon.1
index 3f35193..6f60a40 100644
--- a/usr.sbin/pcvt/kcon/kcon.1
+++ b/usr.sbin/pcvt/kcon/kcon.1
@@ -56,7 +56,8 @@ The available options are:
 .Bl -tag -width flag
 .It Fl d Ar delay
 Specifies the delay after which the last key entered will be repeated by the
-Keyboard. Valid values are 0..3 corresponding to delays of 250, 500, 750 and
+Keyboard.
+Valid values are 0..3 corresponding to delays of 250, 500, 750 and
 1000 milliseconds.
 .It Fl l
 Displays the current keyboard map in use by the driver.
@@ -76,7 +77,8 @@ octal or hexadecimal and not as 'ESC'. To be used in conjunction with the
 .Fl l
 option.
 .It Fl r Ar rate
-Specifies the character repetition rate. Valid argument values are 0...31
+Specifies the character repetition rate.
+Valid argument values are 0...31
 corresponding to rates of 30 characters/second ... 2 characters/second.
 .It Fl R
 Reset the Keyboard.
@@ -92,7 +94,8 @@ Specify this option to enable (
 Switches display of control codes to hexadecimal in the listing of the current map.
 To be used in conjunction with the
 .Fl l
-option. This is the default behaviour.
+option.
+This is the default behaviour.
 .Sh FILES
 .Bl -tag -width /usr/share/misc/keycap.pcvt -compact
 .It Pa /usr/share/misc/keycap.pcvt
@@ -104,10 +107,13 @@ Keyboard raw device.
 .Xr keycap 5
 .Sh BUGS
 .Nm kcon
-detects several inconsistencies in the keycap database. In case of errors
+detects several inconsistencies in the keycap database.
+In case of errors
 .Nm kcon
-exits with an error message. If this happens, the keyboard may remain in
-an undefined state. To recover from such situation, execute
+exits with an error message.
+If this happens, the keyboard may remain in
+an undefined state.
+To recover from such situation, execute
 .Nm kcon -m default
 .Sh EXAMPLES
 The command
diff --git a/usr.sbin/pcvt/keycap/man5/keycap.5 b/usr.sbin/pcvt/keycap/man5/keycap.5
index cb3342b..cb4dfbb 100644
--- a/usr.sbin/pcvt/keycap/man5/keycap.5
+++ b/usr.sbin/pcvt/keycap/man5/keycap.5
@@ -102,7 +102,8 @@ tt\||test\||Test entry which swaps y and z:\e
 .Ed
 .Pp
 Entries may continue onto multiple lines by giving a \e as the last
-character of a line. Comments may be included on lines beginning with
+character of a line.
+Comments may be included on lines beginning with
 .Dq # .
 .Sh FILES
 .Bl -tag -width /usr/share/misc/keycap.pcvt -compact
diff --git a/usr.sbin/pcvt/loadfont/loadfont.1 b/usr.sbin/pcvt/loadfont/loadfont.1
index 866f8ed..04e82a7 100644
--- a/usr.sbin/pcvt/loadfont/loadfont.1
+++ b/usr.sbin/pcvt/loadfont/loadfont.1
@@ -51,7 +51,8 @@ VT220 driver on EGA and VGA boards into the font ram of this boards.
 The options are as follows:
 .Bl -tag -width Ds
 .It Fl c
-Specifies the slot, the font is to load into. EGA boards have four 
+Specifies the slot, the font is to load into.
+EGA boards have four 
 slots and VGA boards have eight slots available for downloading fonts.
 .It Fl d
 Specifies the devicefile to use.
diff --git a/usr.sbin/pcvt/mcon/mcon.1 b/usr.sbin/pcvt/mcon/mcon.1
index 47581ba..11134ce 100644
--- a/usr.sbin/pcvt/mcon/mcon.1
+++ b/usr.sbin/pcvt/mcon/mcon.1
@@ -62,10 +62,12 @@ Either way, the
 .Nm
 program must be called with an argument
 .Ar device
-that specifies the device node used for the mouse emulation. This is
+that specifies the device node used for the mouse emulation.
+This is
 usually the first device node of the
 .Xr pcvt 4
-driver not being used as a virtual terminal device. E.\ g., if you
+driver not being used as a virtual terminal device.
+E.\ g., if you
 have configured eight virtual terminals
 .Pq the default value ,
 named
@@ -91,7 +93,8 @@ Maps the named
 .Ar button key
 to emulate either the left, middle, or right mouse button.
 .Ar Button key
-is the usual name for that key. Normal ASCII keys are denoted by the
+is the usual name for that key.
+Normal ASCII keys are denoted by the
 character they're labeled with, function keys are named
 .Em f1
 through
@@ -108,8 +111,10 @@ it only allows basic PC-scancode keys to be used.
 .It Fl a Ar accel-time
 Set the time limit for the internal accelerator to
 .Ar accel-time
-milliseconds. Key events occurring after a longer time than this limit
-will move the mouse cursor in single steps. Key events arriving more
+milliseconds.
+Key events occurring after a longer time than this limit
+will move the mouse cursor in single steps.
+Key events arriving more
 frequently will move the cursor accelerated by a factor of 6. Note that
 despite of
 .Em milliseconds
@@ -121,9 +126,11 @@ granularity of 10 milliseconds.
 .It Fl s Ar 1 | true | yes
 The first form disables, the second form enables the
 .Em sticky
-behaviour of the mouse buttons. Sticky mouse keys behave much like
+behaviour of the mouse buttons.
+Sticky mouse keys behave much like
 toggle-buttons: on first press, they become active, on second press,
-they're deactivated. Pressing another button will deactivate any
+they're deactivated.
+Pressing another button will deactivate any
 other sticky button anyway.
 
 Sticky buttons might be more convenient since you don't need 20 fingers
@@ -144,7 +151,8 @@ mouse emulator:
 .Sh BUGS
 The key names used to map the button-emulating keys to scan codes
 .Pq and vica verse
-are based on the American keyboard layout. This would usually not
+are based on the American keyboard layout.
+This would usually not
 cause any trouble since the
 .Dq button-of-choice
 is certainly some function key that should be equal for any national
diff --git a/usr.sbin/pcvt/scon/scon.1 b/usr.sbin/pcvt/scon/scon.1
index 6f8bc6e..d2511de 100644
--- a/usr.sbin/pcvt/scon/scon.1
+++ b/usr.sbin/pcvt/scon/scon.1
@@ -89,12 +89,15 @@ Specify the device filename (i.e. /dev/ttyv2) further operations specified on
 the command line should be applied to.
 .It Fl f
 Some programs which silently assume 24 lines when they run on a VT220 show
-incorrect behaviour when the terminal has really 25 lines. To support full
+incorrect behaviour when the terminal has really 25 lines.
+To support full
 VT220 behaviour, it is possible to force pcvt to select only 24 lines when
-it is running in 25-lines pure VT mode and/or in 28-lines HP-mode. The
+it is running in 25-lines pure VT mode and/or in 28-lines HP-mode.
+The
 .Fl f
 option requires one additional parameter, the string 'on' or 'off' to switch
-this mode for a virtual screen on or off respectively. This mode has no effect
+this mode for a virtual screen on or off respectively.
+This mode has no effect
 if any other vertical resolutions are selected than the two above mentioned.
 .It Fl h
 Prints a usage/help text.
@@ -112,14 +115,17 @@ Specify verbose operation of the program.
 Switch the specified/current screen into a pure VT220 mode without recognizing
 any HP escape sequences and without displaying function key labels.
 .It Fl H
-Switch the specified/current screen into a mixed HP/VT220 mode. That is, that
+Switch the specified/current screen into a mixed HP/VT220 mode.
+That is, that
 in addition to the full VT220 emulation, the HP function key labels and the
 escape sequences for handling the labels are available to the user.
 .It Fl s
-Specify the number of character lines on the screen. Possible parameters are
+Specify the number of character lines on the screen.
+Possible parameters are
 25, 28, 35, 40, 43 or 50. To use all this screen sizes, the fonts required
 for proper operation of a desired size have to be downloaded to the EGA/VGA
-font ram. This option is available only for EGA and VGA boards.
+font ram.
+This option is available only for EGA and VGA boards.
 .It Fl p
 Modify VGA palette
 .Pq DAC .
@@ -132,7 +138,8 @@ and
 .Fl V .
 Naturally, option
 .Fl p
-is available only for VGA boards. Three flavors are available.
+is available only for VGA boards.
+Three flavors are available.
 
 If used with argument
 .Dq Ar default ,
@@ -143,13 +150,17 @@ as installed by VGA ROM BIOS after hardware reset
 
 If used with argument
 .Dq Ar list ,
-the current VGA DAC palette entries are listed. Each entry contains
+the current VGA DAC palette entries are listed.
+Each entry contains
 the table index, values for red, green, and blue, and if there's a
-known name for this entry, the color name. Trailing empty table
+known name for this entry, the color name.
+Trailing empty table
 slots (RGB values all zero) are omitted.
 
-Otherwise, four comma-separated arguments are expected. The first
-denotes the number of palette entry to be modified. This may be either
+Otherwise, four comma-separated arguments are expected.
+The first
+denotes the number of palette entry to be modified.
+This may be either
 a number between 0 and 255, or the usual name of an associated color
 .Pq case-insensitive .
 The following values for red, green and blue are restricted to 0 through 63
@@ -166,11 +177,13 @@ options may be specified if unambiguous.
 .It Fl t
 Specifying
 .Fl t
-will activate the screen saver. The behaviour depends on
+will activate the screen saver.
+The behaviour depends on
 .Ar timeout :
 if
 .Ar timeout
-is given as 0, the screen saver is turned off. Otherwise,
+is given as 0, the screen saver is turned off.
+Otherwise,
 .Ar timeout
 is taken as a number of seconds to wait until activating the
 screen saver.
diff --git a/usr.sbin/pcvt/userkeys/vt220keys.1 b/usr.sbin/pcvt/userkeys/vt220keys.1
index 65e596a..d4df9aa 100644
--- a/usr.sbin/pcvt/userkeys/vt220keys.1
+++ b/usr.sbin/pcvt/userkeys/vt220keys.1
@@ -13,7 +13,8 @@ vt220keys \- define SHIFTED function keys on VT220 terminal
 .SH DESCRIPTION
 .I Vt220keys
 sets up a "vt220 terminal" in vt200 mode to allow user
-definition of the SHIFTED function keys. Each
+definition of the SHIFTED function keys.
+Each
 \f2keyname\f1 specified on the command line will be loaded with
 the corresponding \f2keystring\f1.  
 A \f2keyname\f1 is one of the  following "words":
@@ -114,7 +115,8 @@ This will require you
 to press the SHIFT key and ESC to generate the escape sequence.
 .sp
 Some editors, allow other character(s) to be substituted for the 
-escape character. For example with 
+escape character.
+For example with 
 .B emacs
 include this line in your .emacs_pro:
 .br
diff --git a/usr.sbin/pcvt/vgaio/vgaio.8 b/usr.sbin/pcvt/vgaio/vgaio.8
index 4736b57..d5d3285 100644
--- a/usr.sbin/pcvt/vgaio/vgaio.8
+++ b/usr.sbin/pcvt/vgaio/vgaio.8
@@ -61,8 +61,10 @@ Turn on the grammar parser debugger.
 .Ss Command language
 The command language of
 .Nm
-constitutes of some very simple tokens and rules. Commands are executed
-line by line as they are entered. Each line may contain any number of
+constitutes of some very simple tokens and rules.
+Commands are executed
+line by line as they are entered.
+Each line may contain any number of
 semicolon-separated input/output commands.
 
 Symbolic register names look like:
@@ -115,7 +117,8 @@ Spaces or Tabs between the
 .Aq Em reggroup ,
 the
 .Aq Em regnumber ,
-or any of the other tokens are ignored. They are not required anyway.
+or any of the other tokens are ignored.
+They are not required anyway.
 
 The 
 .Dq Em mi