\subsection{\ttfamily\bfseries framerule} The following examples show the use of frames and backgrounds. Every table is typeset by |ctable| with a frame around it, but the frame is, by default, drawn with a zero width line, and is therefore invisible. You can make it visible by either changing the linewidth to a positive value or by giving it a background color, which will be used to fill the frame. Here is a simple table without a frame, followed by one with a red, 1pt thick frame: $Id: 08,v 1.1 2007/07/22 15:30:56 wybo Exp $