V7M/src/cmd/tbl/tf.c

 /* tf.c: save and restore fill mode around table */
# include "t..c"
savefill()
{
/* remembers various things: fill mode, vs, ps in mac 35 (SF) */
fprintf(tabout, ".de %d\n",SF);
fprintf(tabout, ".ps \\n(.s\n");
fprintf(tabout, ".vs \\n(.vu\n");
fprintf(tabout, ".in \\n(.iu\n");
fprintf(tabout, ".if \\n(.u .fi\n");
fprintf(tabout, ".if \\n(.j .ad\n");
fprintf(tabout, ".if \\n(.j=0 .na\n");
fprintf(tabout, "..\n");
fprintf(tabout, ".nf\n");
/* set obx offset if useful */
fprintf(tabout, ".nr #~ 0\n");
fprintf(tabout, ".if n .nr #~ 0.6n\n");
}
rstofill()
{
fprintf(tabout, ".%d\n",SF);
}
endoff()
{
int i;
	for(i=0; i<MAXHEAD; i++)
		if (linestop[i])
			fprintf(tabout, ".nr #%c 0\n", 'a'+i);
	for(i=0; i<texct; i++)
		fprintf(tabout, ".rm %c+\n",texstr[i]);
fprintf(tabout, "%s\n", last);
}
ifdivert()
{
fprintf(tabout, ".ds #d .d\n");
fprintf(tabout, ".if \\(ts\\n(.z\\(ts\\(ts .ds #d nl\n");
}
saveline()
{
fprintf(tabout, ".if \\n+(b.=1 .nr d. \\n(.c-\\n(c.-1\n");
linstart=iline;
}
restline()
{
fprintf(tabout,".if \\n-(b.=0 .nr c. \\n(.c-\\n(d.-%d\n", iline-linstart);
linstart = 0;
}
cleanfc()
{
fprintf(tabout, ".fc\n");
}