Identify areas of text to be marked with changebars with the
\cbstart and \cbend commands; the bars may be coloured. The
package uses 'drivers' to place the bars; the available drivers
can work with dvitoln03, dvitops, dvips, the emTeX and TeXtures
DVI drivers, and VTeX and PDFTeX.
date: 2011-09-30 20:51:09 +0200
