The following section details changes that can affect programs originally written for the Version 2.0 ACUCOBOL-85 compiler.
The -Ca compiler flag was still available in Version 2.0, but was not documented. (It was synonymous with the -Va flag.) Since Version 2.1, -Ca has a new and different meaning. So, you must now use -Va to cause opposite video intensities to be used for ACCEPT and DISPLAY statements.