We read '(.+1)z N' Scrolls N lines at a time starting at addressed line. If N is not specified, then the current window size is used. The current address is set to the last line printed. also 'n' does the same.
But where does it get the current window size? $ infocmp # Reconstructed via infocmp from file: /lib/terminfo/d/dumb dumb|80-column dumb tty, am, cols#80, bel=^G, cr=^M, cud1=^J, ind=^J, Well apparently there is a default of 24. So document it, and give an easy way to change it via e.g., $LINES. $ ed --version GNU Ed 1.10 _______________________________________________ bug-ed mailing list bug-ed@gnu.org https://lists.gnu.org/mailman/listinfo/bug-ed