ref: c1d40df49550393f3afe53fb6e6d500dfa8eb7a8
dir: /sys/src/cmd/eqn/mark.c/
#include "e.h" void mark(int p1) { markline = 1; printf(".ds %d \\k(09\\*(%d\n", p1, p1); yyval = p1; dprintf(".\tmark %d\n", p1); } void lineup(int p1) { markline = 2; if (p1 == 0) { yyval = salloc(); printf(".ds %d \\h'|\\n(09u'\n", yyval); } dprintf(".\tlineup %d\n", p1); }