This is an initial whitespace cleanup commit, new content to follow.

Adding hard line breaks at the end of sentences.

Approved by:	rwatson (mentor)

usr.sbin/pkg_install/add/pkg_add.1

@@ -47,10 +47,12 @@ or other subtle
 attacks from miscreants who create dangerous package files.
 .Pp
 You are advised to verify the competence and identity of those who
-provide installable package files.  For extra protection, use the
+provide installable package files.
+For extra protection, use the
 .Fl M
 flag to extract the package file, and inspect its contents and scripts to
-ensure it poses no danger to your system's integrity.  Pay particular
+ensure it poses no danger to your system's integrity.
+Pay particular
 attention to any +INSTALL, +POST-INSTALL, +DEINSTALL, +POST-DEINSTALL,
 +REQUIRE or +MTREE_DIRS files, and inspect the +CONTENTS file for
 .Cm @cwd ,
@@ -68,7 +70,8 @@ command to examine the package file.
 The following command line arguments are supported:
 .Bl -tag -width indent
 .It Ar pkg-name Op Ar pkg-name ...
-The named packages are installed.  A package name of - will cause
+The named packages are installed.
+A package name of - will cause
 .Nm
 to read from stdin.
 If the packages are not found in the current
@@ -85,7 +88,8 @@ package, do not execute them.
 Don't actually install a package, just report the steps that
 would be taken if it was.
 .It Fl R
-Do not record the installation of a package.  This means
+Do not record the installation of a package.
+This means
 that you cannot deinstall it later, so only use this option if
 you know what you are doing!
 .It Fl r
@@ -94,7 +98,8 @@ This will determine the appropriate
 objformat and release and then fetch and install the package.
 .It Fl f
 Force installation to proceed even if prerequisite packages are not
-installed or the requirements script fails.  Although
+installed or the requirements script fails.
+Although
 .Nm
 will still try to find and auto-install missing prerequisite packages,
 a failure to find one will not be fatal.
@@ -103,12 +108,14 @@ Set
 .Ar prefix
 as the directory in which to extract files from a package.
 If a package has set its default directory, it will be overridden
-by this flag.  Note that only the first
+by this flag.
+Note that only the first
 .Cm @cwd
 directive will be replaced, since
 .Nm
 has no way of knowing which directory settings are relative and
-which are absolute.  It is rare in any case to see more than one
+which are absolute.
+It is rare in any case to see more than one
 directory transition made, but when such does happen and you wish
 to have control over *all* directory transitions, then you
 may then wish to look into the use of
@@ -132,7 +139,8 @@ By default, this is the string
 but it may be necessary to override it in the situation where
 space in your
 .Pa /var/tmp
-directory is limited.  Be sure to leave some number of `X' characters
+directory is limited.
+Be sure to leave some number of `X' characters
 for
 .Xr mktemp 3
 to fill in with a unique ID.
@@ -145,11 +153,13 @@ file installation; often this is
 .It Fl M
 Run in
 .Cm MASTER
-mode.  This is a very specialized mode for running
+mode.
+This is a very specialized mode for running
 .Nm
 and is meant to be run in conjunction with
 .Cm SLAVE
-mode.  When run in this mode,
+mode.
+When run in this mode,
 .Nm
 does no work beyond extracting the package into a temporary staging
 area (see the
@@ -165,15 +175,18 @@ before acting on its contents.
 .It Fl S
 Run in
 .Cm SLAVE
-mode.  This is a very specialized mode for running
+mode.
+This is a very specialized mode for running
 .Nm
 and is meant to be run in conjunction with
 .Cm MASTER
-mode.  When run in this mode,
+mode.
+When run in this mode,
 .Nm
 expects the release contents to be already extracted and waiting
 in the staging area, the location of which is read as a string
-from stdin.  The complete packing list is also read from stdin,
+from stdin.
+The complete packing list is also read from stdin,
 and the contents then acted on as normal.
 .El
 .Pp
@@ -183,7 +196,8 @@ arguments may be specified, each being either a file containing the
 package (these usually end with a
 .Dq .tbz
 suffix) or a
-URL pointing at a file available on an ftp site.  Thus you may
+URL pointing at a file available on an ftp site.
+Thus you may
 extract files directly from their anonymous ftp locations (e.g.\&
 .Nm
 .Li ftp://ftp.FreeBSD.org/pub/FreeBSD/ports/packages/shells/bash-1.14.7.tbz ) .
@@ -196,8 +210,10 @@ the variable
 .Bf -emphasis
 FTP_PASSIVE_MODE
 .Ef
-to some value in your environment.  Otherwise, the more standard
-ACTIVE mode may be used.  If
+to some value in your environment.
+Otherwise, the more standard
+ACTIVE mode may be used.
+If
 .Nm
 consistently fails to fetch a package from a site known to work,
 it may be because you have a firewall that demands the usage of
@@ -379,7 +395,8 @@ All the scripts are called with the environment variable
 .Ev PKG_PREFIX
 set to the installation prefix (see the
 .Fl p
-option above).  This allows a package author to write a script
+option above).
+This allows a package author to write a script
 that reliably performs some action on the directory where the package
 is installed, even if the user might change it with the
 .Fl p
@@ -388,8 +405,10 @@ flag to
 .Sh ENVIRONMENT
 The value of the
 .Ev PKG_PATH
-is used if a given package can't be found.  The environment variable
-should be a series of entries separated by colons.  Each entry
+is used if a given package can't be found.
+The environment variable
+should be a series of entries separated by colons.
+Each entry
 consists of a directory name.
 The current directory may be indicated
 implicitly by an empty directory name, or explicitly by a single