cvs-mode-diff-1cvs-mode-diff-1 is an interactive compiled Lisp function in `
pcvs.el'. (cvs-mode-diff-1 FLAGS) Diff the selected files against the repository. This command compares the files in your working area against the revision which they are based upon. See also `cvs-diff-ignore-marks'. This function only works within a *cvs* buffer. For interactive use, use `cvs-mode-diff' instead.