There is no way for strmode(3) to append '+' if the file has ACL,

because there is no way to figure that out based on the file mode
itself.  Make the manual page match reality.

lib/libc/string/strmode.3

@@ -128,9 +128,7 @@ The file is executable or the directory is searchable.
 None of the above apply.
 .El
 .Pp
-The last character is a plus sign ``+'' if any there are any alternate
-or additional access control methods associated with the inode, otherwise
-it will be a space.
+The last character will always be a space.
 .Sh SEE ALSO
 .Xr chmod 1 ,
 .Xr find 1 ,

lib/libc/string/strmode.c

@@ -143,6 +143,6 @@ strmode(/* mode_t */ int mode, char *p)
 		*p++ = 't';
 		break;
 	}
-	*p++ = ' ';		/* will be a '+' if ACL's implemented */
+	*p++ = ' ';
 	*p = '\0';
 }