An RCS file’s contents are described by the grammar below3.
Overall, the format is free–format text.
In most environments RCS uses the ISO 8859/1 encoding: visible graphic
characters are (octal) codes 041–176 and 240–377, and whitespace
characters are codes 010–015 and 040.
TODO: Discuss or point to encoding compatibility issues.
|• comma-v grammar:|
|• comma-v particulars:|
This section is adapted from the ‘rcsfile(5)’ manpage, written by Walter F. Tichy.