Deal with double whitespace.

bin/date/date.1

@@ -93,7 +93,7 @@ is non-zero, future calls
 to
 .Xr gettimeofday 2
 will return a non-zero for
-.Fa tz_dsttime  .
+.Fa tz_dsttime .
 .It Fl f
 Use
 .Ar input_fmt
@@ -284,7 +284,8 @@ will display:
 .Pp
 .Dl "Sun Jan  4 04:15:24 GMT 1998"
 .Pp
-where it is currently Mon Aug  4 04:15:24 BST 1997.
+where it is currently
+.Li "Mon Aug  4 04:15:24 BST 1997" .
 .Pp
 The command:
 .Pp
@@ -302,7 +303,8 @@ will display the last Friday of the month:
 .Pp
 .Dl "Fri Aug 29 04:31:11 BST 1997"
 .Pp
-where it is currently Mon Aug  4 04:31:11 BST 1997.
+where it is currently
+.Li "Mon Aug  4 04:31:11 BST 1997" .
 .Pp
 The command:
 .Pp

bin/kill/kill.1

@@ -153,5 +153,5 @@ command appeared in
 A replacement for the command
 .Dq Li kill 0
 for
-.Xr csh  1
+.Xr csh 1
 users should be provided.

bin/ln/ln.1

@@ -126,22 +126,22 @@ Hard links may not normally refer to directories and may not span file systems.
 A symbolic link contains the name of the file to
 which it is linked.
 The referenced file is used when an
-.Xr open  2
+.Xr open 2
 operation is performed on the link.
 A
-.Xr stat  2
+.Xr stat 2
 on a symbolic link will return the linked-to file; an
-.Xr lstat  2
+.Xr lstat 2
 must be done to obtain information about the link.
 The
-.Xr readlink  2
+.Xr readlink 2
 call may be used to read the contents of a symbolic link.
 Symbolic links may span file systems and may refer to directories.
 .Pp
 Given one or two arguments,
 .Nm
 creates a link to an existing file
-.Ar source_file  .
+.Ar source_file .
 If
 .Ar target_file
 is given, the link has that name;
@@ -150,7 +150,7 @@ may also be a directory in which to place the link;
 otherwise it is placed in the current directory.
 If only the directory is specified, the link will be made
 to the last component of
-.Ar source_file  .
+.Ar source_file .
 .Pp
 Given more than two arguments,
 .Nm

bin/mkdir/mkdir.1

@@ -41,7 +41,7 @@
 .Nm
 .Op Fl pv
 .Op Fl m Ar mode
-.Ar directory_name  ...
+.Ar directory_name ...
 .Sh DESCRIPTION
 The
 .Nm
@@ -49,7 +49,7 @@ utility creates the directories named as operands, in the order specified,
 using mode
 .Li rwxrwxrwx (\&0777)
 as modified by the current
-.Xr umask  2  .
+.Xr umask 2 .
 .Pp
 The options are as follows:
 .Pp

bin/pax/pax.1

@@ -731,9 +731,9 @@ Pathnames stored by this format must be 100 characters or less in length.
 Only
 .Em regular
 files,
-.Em  hard links , soft links ,
+.Em hard links , soft links ,
 and
-.Em  directories
+.Em directories
 will be archived (other file system types are not supported).
 For backwards compatibility with even older tar formats, a
 .Fl o

bin/pwd/pwd.1

@@ -86,7 +86,7 @@ utility conforms to
 .Xr getcwd 3
 .Sh BUGS
 In
-.Xr csh  1
+.Xr csh 1
 the command
 .Ic dirs
 is always faster because it is built into that shell.

bin/rcp/rcp.1

@@ -79,12 +79,12 @@ Cause
 .Nm
 to attempt to preserve (duplicate) in its copies the modification
 times and modes of the source files, ignoring the
-.Ar umask  .
+.Ar umask .
 By default, the mode and owner of
 .Ar file2
 are preserved if it already existed; otherwise the mode of the source file
 modified by the
-.Xr umask  2
+.Xr umask 2
 on the destination host is used.
 .It Fl r
 If any of the source files are directories,
@@ -108,7 +108,7 @@ is not a full path name, it is interpreted relative to
 the login directory of the specified user
 .Ar ruser
 on
-.Ar rhost  ,
+.Ar rhost ,
 or your current user name if no other remote user name is specified.
 A
 .Ar path
@@ -119,7 +119,7 @@ The
 .Nm
 utility does not prompt for passwords; it performs remote execution
 via
-.Xr rsh  1  ,
+.Xr rsh 1 ,
 and requires the same authorization.
 .Pp
 The

bin/sh/bltin/echo.1

@@ -100,7 +100,7 @@ Output a backslash.
 Remember that backslash is special to the shell and needs to be escaped.
 To output a message to standard error, say
 .Pp
-.D1  echo message >&2
+.D1 echo message >&2
 .Sh BUGS
 The octal character escape mechanism
 .Pq Li \e0 Ns Ar digits

bin/stty/stty.1

@@ -427,7 +427,7 @@ Enable parenb and cs7; disable
 parodd.
 .It Cm oddp
 Enable parenb, cs7, and parodd.
-.It Fl parity , evenp ,  oddp
+.It Fl parity , evenp , oddp
 Disable parenb, and set cs8.
 .It Cm \&nl Pq Fl \&nl
 Enable (disable) icrnl.

libexec/bootpd/bootptab.5

@@ -381,7 +381,7 @@ entry may be extended over multiple lines if the lines end with a backslash
 (\\).
 It is also acceptable for lines to be longer than 80 characters.
 Tags
-may appear in any order, with the following exceptions:  the hostname must be
+may appear in any order, with the following exceptions: the hostname must be
 the very first field in an entry, and the hardware type must precede the
 hardware address.
 .Pp