ref: 2e9835e771c54cb9a0c9cd81012e7b4b75f878f7
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); }