Document input line length limit.

usr.bin/checknr/checknr.1

@@ -32,7 +32,7 @@
 .\"     @(#)checknr.1	8.1 (Berkeley) 6/6/93
 .\" $FreeBSD$
 .\"
-.Dd June 6, 1993
+.Dd January 26, 2005
 .Dt CHECKNR 1
 .Os
 .Sh NAME
@@ -161,3 +161,7 @@ There is no way to define a 1 character macro name using
 .Pp
 Does not correctly recognize certain reasonable constructs,
 such as conditionals.
+.Pp
+Input lines are limited to
+.Dv LINE_MAX
+(2048) bytes in length.

usr.bin/comm/comm.1

@@ -35,7 +35,7 @@
 .\"     From: @(#)comm.1	8.1 (Berkeley) 6/6/93
 .\" $FreeBSD$
 .\"
-.Dd July 3, 2004
+.Dd January 26, 2005
 .Os
 .Dt COMM 1
 .Sh NAME
@@ -118,3 +118,7 @@ A
 .Nm
 command appeared in
 .At v4 .
+.Sh BUGS
+Input lines are limited to
+.Dv LINE_MAX
+(2048) characters in length.

usr.bin/csplit/csplit.1

@@ -24,7 +24,7 @@
 .\"
 .\" $FreeBSD$
 .\"
-.Dd July 12, 2004
+.Dd January 26, 2005
 .Dt CSPLIT 1
 .Os
 .Sh NAME
@@ -151,3 +151,7 @@ utility conforms to
 A
 .Nm
 command appeared in PWB UNIX.
+.Sh BUGS
+Input lines are limited to
+.Dv LINE_MAX
+(2048) bytes in length.

usr.bin/nl/nl.1

@@ -34,7 +34,7 @@
 .\" ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 .\" POSSIBILITY OF SUCH DAMAGE.
 .\"
-.Dd July 13, 2004
+.Dd January 26, 2005
 .Dt NL 1
 .Os
 .Sh NAME
@@ -247,3 +247,7 @@ The
 .Nm
 utility first appeared in
 .At V.2 .
+.Sh BUGS
+Input lines are limited to
+.Dv LINE_MAX
+(2048) bytes in length.