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The RCS executable. Note that this variable is not actually used for the command to fetch source files from RCS; see the &cv-RCS_CO; construction variable, below.

The RCS "checkout" executable, used to fetch source files from RCS.

The command line used to fetch (checkout) source files from RCS.

The string displayed when fetching a source file from RCS. If this is not set, then &cv-RCS_COCOM; (the command line) is displayed.

Options that are passed to the &cv-RCS_CO; command.