If you want a little background on Ted's answer, the keywords and their use are described in the RCS docs¹. TIL, RCS still gets releases² ;) ¹ https://www.gnu

If you want a little background on Ted's answer, the keywords and their use are described in the RCS docs¹. TIL, RCS still gets releases² ;) ¹ https://www.gnu.org/software/rcs/manual/html_node/Concepts.html#Fundamental-operations https://www.gnu.org/software/rcs/manual/html_node/Concepts.h... ² https://lists.gnu.org/archive/html/info-gnu/2022-02/msg00001.html https://lists.gnu.org/archive/html/info-gnu/2022-02/msg00001...