add comment about the brokeness of some termcap entires that require a

`%' to be just that...

make tput just warn about an unknown type modifier instead of breaking...
this allows you to `tput init' on a tek4107...

usr.bin/tput/tput.1

@@ -110,6 +110,14 @@ exits 2 if any error occurred.
 .Sh BUGS
 .Nm Tput
 can't really distinguish between different types of attributes.
+.Pp
+Some termcap entries depend upon having a
+.Sq %
+in them that is just a
+.Sq %
+and nothing more.  Right now we just warn about them if they don't
+have a valid type declaration.  These warnings are sent to
+stderr.
 .Sh HISTORY
 The
 .Nm

usr.bin/tput/tput.c

@@ -165,7 +165,7 @@ process(cap, str, argv)
 				/*
 				 * hpux has lot's of them, but we complain
 				 */
-				 errx(2, erresc, *cp, cap);
+				 warnx(erresc, *cp, cap);
 			    }
 
 	/* And print them. */