Correct some hard sentence breaks. Only those surrounding the previous

commit and those which cause ugly nroff output have been fixed, since
the purpose of the style guideline which they contravene is to reduce
the sizes of deltas.

Reported by:	bde

bin/csh/csh.1

@@ -55,8 +55,9 @@ job control facilities (see
 interactive file name
 and user name completion (see
 .Sx File Name Completion ) ,
-and a C-like syntax. It is used both as an interactive
+and a C-like syntax.
-login shell and a shell script command processor.
+It is used both as an interactive login shell and
+a shell script command processor.
 .Ss Argument list processing
 If the first argument (argument 0) to the shell is
 .Ql Fl \& ,
@@ -236,8 +237,9 @@ may be a component of a pipeline, etc.).
 It is also possible to separate pipelines with `\&|\&|' or `&&' showing,
 as in the C language,
 that the second is to be executed only if the first fails or succeeds
-respectively. (See
+respectively.
-.Em Expressions . )
+See
+.Sx Expressions .
 .Ss Jobs
 The shell associates a
 .Ar job
@@ -317,7 +319,8 @@ The job control mechanism requires that the
 .Xr stty 1
 option
 .Ic new
-be set. It is an artifact from a
+be set.
+It is an artifact from a
 .Em new
 implementation
 of the
@@ -568,8 +571,8 @@ Repeat the previous substitution.
 Apply the change once on each word, prefixing the above, e.g., `g&'.
 .It a
 Apply the change as many times as possible on a single word, prefixing
-the above. It can be used together with `g' to apply a substitution 
+the above.
-globally.
+It can be used together with `g' to apply a substitution globally.
 .It p
 Print the new command line but do not execute it.
 .It q

bin/echo/echo.1

@@ -62,8 +62,8 @@ by iBCS2 compatible systems.
 .Pp
 Some shells may provide a builtin
 .Nm
-command which is similar or identical to this utility. Consult
+command which is similar or identical to this utility.
-the
+Consult the
 .Xr builtin 1
 manual page.
 .Sh DIAGNOSTICS

bin/kill/kill.1

@@ -112,8 +112,8 @@ TERM (software termination signal)
 .Pp
 Some shells may provide a builtin
 .Nm
-command which is similar or identical to this utility. Consult
+command which is similar or identical to this utility.
-the
+Consult the
 .Xr builtin 1
 manual page.
 .Sh SEE ALSO

bin/pwd/pwd.1

@@ -50,8 +50,8 @@ the standard output.
 .Pp
 Some shells may provide a builtin
 .Nm
-command which is similar or identical to this utility. Consult
+command which is similar or identical to this utility.
-the
+Consult the
 .Xr builtin 1
 manual page.
 .Sh DIAGNOSTICS
@@ -75,7 +75,7 @@ In
 .Xr csh  1
 the command
 .Ic dirs
-is always faster because it is built into that shell. However,
+is always faster because it is built into that shell.
-it can give a different answer in the rare case
+However, it can give a different answer in the rare case
 that the current directory or a containing directory was moved after
 the shell descended into it.

bin/sh/sh.1

@@ -66,9 +66,9 @@ specification of the shell.
 .Ss Overview
 The shell is a command that reads lines from
 either a file or the terminal, interprets them, and
-generally executes other commands. It is the program that is running
+generally executes other commands.
-when a user logs into the system (although a user can select
+It is the program that is running when a user logs into the system
-a different shell with the
+(although a user can select a different shell with the
 .Xr chsh 1
 command).
 The shell
@@ -106,7 +106,8 @@ at login time in the
 .Pa .profile
 file, and commands that are executed for every shell inside the
 .Ev ENV
-file. To set the
+file.
+To set the
 .Ev ENV
 variable to some file, place the following line in your
 .Pa .profile
@@ -211,8 +212,10 @@ running (i.e. when set with the
 .Ic set
 command).
 .It Fl T Li asynctraps
-When waiting for a child, execute traps immediately. If this option is
+When waiting for a child, execute traps immediately.
-not set, traps are executed after the child exits, as specified in
+If this option is not set,
+traps are executed after the child exits,
+as specified in
 .St -p1003.2
 This nonstandard option is useful for putting guarding shells around
 children that block signals.  The surrounding shell may kill the child
@@ -302,9 +305,9 @@ An alias is a name and corresponding value set using the
 .Ic alias
 builtin command.  Whenever a reserved word may occur (see above),
 and after checking for reserved words, the shell
-checks the word to see if it matches an alias. If it does,
+checks the word to see if it matches an alias.
-it replaces it in the input stream with its value.  For example,
+If it does, it replaces it in the input stream with its value.
-if there is an alias called
+For example, if there is an alias called
 .Dq lf
 with the value
 .Dq ls -F ,
@@ -424,9 +427,10 @@ set to the arguments of the shell function.
 The variables which are explicitly placed in the environment of
 the command (by placing assignments to them before the
 function name) are made local to the function and are set
-to the values given. Then the command given in the function
+to the values given.
-definition is executed.   The positional parameters are
+Then the command given in the function definition is executed.
-restored to their original values when the command completes.
+The positional parameters are restored to their original values
+when the command completes.
 This all occurs within the current shell.
 .Pp
 Shell builtin commands are executed internally to the shell, without
@@ -436,8 +440,8 @@ Otherwise, if the command name does not match a function
 or builtin command, the command is searched for as a normal
 program in the filesystem (as described in the next section).
 When a normal program is executed, the shell runs the program,
-passing the arguments and the environment to the
+passing the arguments and the environment to the program.
-program. If the program is not a normal executable file
+If the program is not a normal executable file
 (i.e. if it does not begin with the
 .Qq magic number
 whose
@@ -446,11 +450,11 @@ representation is
 .Qq #! ,
 resulting in an ENOEXEC return value from
 .Fn execve )
-the shell
+the shell will interpret the program in a subshell.
-will interpret the program in a subshell.  The child shell
+The child shell will reinitialize itself in this case,
-will reinitialize itself in this case, so that the effect will
+so that the effect will be
-be as if a new shell had been invoked to handle the ad-hoc shell
+as if a new shell had been invoked to handle the ad-hoc shell script,
-script, except that the location of hashed commands located in
+except that the location of hashed commands located in
 the parent shell will be remembered by the child.
 .Pp
 Note that previous versions of this document
@@ -802,9 +806,10 @@ Tilde expansions, parameter expansions, command substitutions,
 arithmetic expansions, and quote removals that occur within
 a single word expand to a single field.  It is only field
 splitting or pathname expansion that can create multiple
-fields from a single word. The single exception to this
+fields from a single word.
-rule is the expansion of the special parameter @ within
+The single exception to this rule is
-double-quotes, as was described above.
+the expansion of the special parameter @ within double-quotes,
+as was described above.
 .Pp
 The order of word expansion is:
 .Bl -enum
@@ -884,7 +889,8 @@ parameter is unset or null, the expansion of
 word (or a message indicating it is unset if
 word is omitted) is written to standard
 error and the shell exits with a nonzero
-exit status. Otherwise, the value of
+exit status.
+Otherwise, the value of
 parameter is substituted.  An
 interactive shell need not exit.
 .It Li ${parameter:+word}
@@ -958,8 +964,8 @@ splitting, they may be translated into <space>s, depending on the value
 of IFS and quoting that is in effect.)
 .Ss Arithmetic Expansion
 Arithmetic expansion provides a mechanism for evaluating an arithmetic
-expression and substituting its value. The format for arithmetic
+expression and substituting its value.
-expansion is as follows:
+The format for arithmetic expansion is as follows:
 .Bd -literal -offset indent
 $((expression))
 .Ed
@@ -1012,11 +1018,11 @@ characters and they are turned into meta-characters.
 An asterisk
 .Dq *
 matches any string of characters.  A
-question mark matches any single character. A left
+question mark matches any single character.
-bracket
+A left bracket
 .Dq [
-introduces a character class.  The end of
+introduces a character class.
-the character class is indicated by a
+The end of the character class is indicated by a
 .Dq ] ;
 if the
 .Dq ]
@@ -1024,21 +1030,19 @@ is missing then the
 .Dq [
 matches a
 .Dq [
-rather than
+rather than introducing a character class.
-introducing a character class.  A character class matches
+A character class matches any of the characters between the square brackets.
-any of the characters between the square brackets.  A
+A range of characters may be specified using a minus sign.
-range of characters may be specified using a minus sign.
+The character class may be complemented
-The character class may be complemented by making an
+by making an exclamation point the first character of the character class.
-exclamation point the first character of the character
-class.
 .Pp
 To include a
 .Dq ]
-in a character class, make it the first
+in a character class, make it the first character listed
-character listed (after the
+(after the
 .Dq ! ,
-if any).  To include a
+if any).
-minus sign, make it the first or last character listed.
+To include a minus sign, make it the first or last character listed.
 .Ss Builtin Commands
 This section lists the commands which
 are builtin because they need to perform some operation
@@ -1090,16 +1094,16 @@ and the directory name does not begin with a slash (/),
 dot (.) or dot-dot (..),
 then the directories listed in CDPATH will be
 searched for the specified directory.  The format of
-CDPATH is the same as that of PATH. In an interactive shell,
+CDPATH is the same as that of PATH.
-the cd command will print out the name of
+In an interactive shell,
-the directory that it actually switched to if this is
+the cd command will print out the name of the directory
-different from the name that the user gave.  These
+that it actually switched to
-may be different either because the CDPATH mechanism
+if this is different from the name that the user gave.
+These may be different either because the CDPATH mechanism
 was used or because a symbolic link was crossed.
 .It eval string ...
-Concatenate all the arguments with spaces.  Then
+Concatenate all the arguments with spaces.
-re-parse and execute the
+Then re-parse and execute the command.
-command.
 .It exec [ command arg ...  ]
 Unless command is omitted, the shell process is
 replaced with the specified program (which must be a
@@ -1289,11 +1293,10 @@ to executing
 .El
 .Pp
 .It setvar variable value
-Assigns value to variable. (In general it is better
+Assigns value to variable.
-to write variable=value rather than using setvar.
+In general it is better to write variable=value rather than using setvar.
 Setvar is intended to be used in functions that
-assign values to variables whose names are passed as
+assign values to variables whose names are passed as parameters.
-parameters.)
 .It shift [ n ]
 Shift the positional parameters n times.  A shift
 sets the value of $1 to the value of $2, the value of
@@ -1312,7 +1315,8 @@ default action.  The trap command has no effect on
 signals that were ignored on entry to the shell.
 .It type [name] ...
 Interpret each name as a command and print the
-resolution of the command search. Possible resolutions are:
+resolution of the command search.
+Possible resolutions are:
 shell keyword, alias, shell builtin command, command, tracked alias
 and not found.  For aliases the alias expansion is printed;
 for commands and tracked aliases the complete pathname of
@@ -1374,8 +1378,8 @@ The maximal number of simultaneous processes for this user ID.
 Set the value of umask (see
 .Xr umask 2 )
 to the specified
-octal value. If the argument is omitted, the
+octal value.
-umask value is printed.
+If the argument is omitted, the umask value is printed.
 .It unalias [-a] [name]
 If
 .Dq name
@@ -1385,14 +1389,14 @@ If
 is specified, all aliases are removed.
 .It unset name ...
 The specified variables and functions are unset and
-unexported. If a given name corresponds to both a
+unexported.
-variable and a function, both the variable and the
+If a given name corresponds to both a variable and a function,
-function are unset.
+both the variable and the function are unset.
 .It wait [ job ]
 Wait for the specified job to complete and return the
-exit status of the last process in the job. If the
+exit status of the last process in the job.
-argument is omitted, wait for all jobs to complete
+If the argument is omitted, wait for all jobs to complete
-and the return an exit status of zero.
+and return an exit status of zero.
 .El
 .Ss Commandline Editing
 When

share/man/man1/builtin.1

@@ -125,8 +125,8 @@ any component of a pipeline except the last.
 If a command specified to the shell contains a slash 
 .Dq \&/ ,
 the shell will not execute a builtin command, even if the last component
-of the specified command matches the name of a builtin command. Thus,
+of the specified command matches the name of a builtin command.
-while specifying
+Thus, while specifying
 .Dq Ic echo
 causes a builtin command to be executed under shells that support the
 builtin echo command,
@@ -145,7 +145,8 @@ Only builtin commands for the
 .Xr csh 1
 and
 .Xr sh 1
-shells are listed here.  Consult the appropriate manual page for
+shells are listed here.
+Consult the appropriate manual page for
 details on the operation of any given builtin command under those shells.
 Users of other shells will need to consult the documentation supplied
 with the other shells.

usr.bin/login/login.1

@@ -145,8 +145,8 @@ a user's login environment.
 .Pp
 Some shells may provide a builtin
 .Nm
-command which is similar or identical to this utility. Consult
+command which is similar or identical to this utility.
-the
+Consult the
 .Xr builtin 1
 manual page.
 .Sh FILES

usr.bin/nice/nice.1

@@ -54,8 +54,8 @@ If
 is not given
 .Nm 
 assumed the value 10.
-The priority is a value in the range -20 to 20. The default priority
+The priority is a value in the range -20 to 20.
-is 0, priority 20 is the lowest possible. 
+The default priority is 0, priority 20 is the lowest possible. 
 .Nm Nice
 will execute
 .Ar command
@@ -76,8 +76,8 @@ command executed by
 .Pp
 Some shells may provide a builtin
 .Nm
-command which is similar or identical to this utility. Consult
+command which is similar or identical to this utility.
-the
+Consult the
 .Xr builtin 1
 manual page.
 .Sh EXAMPLES

usr.bin/nohup/nohup.1

@@ -54,7 +54,8 @@ with
 its arguments
 and at this time sets the signal
 .Dv SIGHUP
-to be ignored. The signal
+to be ignored.
+The signal
 .Dv SIGQUIT
 may also be set
 to be ignored.
@@ -71,8 +72,8 @@ exits 1 if an error occurs, otherwise the exit status is that of
 .Pp
 Some shells may provide a builtin
 .Nm
-command which is similar or identical to this utility. Consult
+command which is similar or identical to this utility.
-the
+Consult the
 .Xr builtin 1
 manual page.
 .Sh ENVIRONMENT

usr.bin/printf/printf.1

@@ -253,8 +253,8 @@ the actual width.
 .Pp
 Some shells may provide a builtin
 .Nm
-command which is similar or identical to this utility. Consult
+command which is similar or identical to this utility.
-the
+Consult the
 .Xr builtin 1
 manual page.
 .Sh RETURN VALUES

usr.bin/time/time.1

@@ -71,7 +71,8 @@ Available options:
 If the
 .Fl o
 flag is used, append to the specified file rather than overwriting
-it. Otherwise, this option has no effect.
+it.
+Otherwise, this option has no effect.
 .It Fl l
 The contents of the
 .Em rusage
@@ -92,14 +93,15 @@ output POSIX.2 compliant (each time is printed on its own line).
 .Pp
 Some shells may provide a builtin
 .Nm
-command which is similar or identical to this utility.  Consult
+command which is similar or identical to this utility.
-the
+Consult the
 .Xr builtin 1
 manual page. 
 .Sh DIAGNOSTICS
 If
 .Ar command
-could be timed successfully, its exit status is returned. In case
+could be timed successfully, its exit status is returned.
+If
 .Ar command
 terminated abnormally, a warning message is output to stderr.
 If the 

usr.bin/which/which.1

@@ -55,8 +55,8 @@ none are found.
 .Pp
 Some shells may provide a builtin
 .Nm
-command which is similar or identical to this utility.  Consult
+command which is similar or identical to this utility.
-the
+Consult the
 .Xr builtin 1
 manual page. 
 .Sh HISTORY