===================================================================
RCS file: /cvs/mandoc/term_tab.c,v
retrieving revision 1.3
retrieving revision 1.4
diff -u -p -r1.3 -r1.4
--- mandoc/term_tab.c	2017/06/14 17:51:15	1.3
+++ mandoc/term_tab.c	2017/06/17 14:55:30	1.4
@@ -1,4 +1,4 @@
-/*	$OpenBSD: term_tab.c,v 1.3 2017/06/14 17:51:15 schwarze Exp $ */
+/*	$OpenBSD: term_tab.c,v 1.4 2017/06/17 14:55:30 schwarze Exp $ */
 /*
  * Copyright (c) 2017 Ingo Schwarze <schwarze@openbsd.org>
  *
@@ -86,6 +86,21 @@ term_tab_set(const struct termp *p, const char *arg)
 	if (add && tl->n)
 		tl->t[tl->n] += tl->t[tl->n - 1];
 	tl->n++;
+}
+
+/*
+ * Simplified version without a parser,
+ * never incremental, never periodic, for use by tbl(7).
+ */
+void
+term_tab_iset(size_t inc)
+{
+	if (tabs.a.n >= tabs.a.s) {
+		tabs.a.s += 8;
+		tabs.a.t = mandoc_reallocarray(tabs.a.t, tabs.a.s,
+		    sizeof(*tabs.a.t));
+	}
+	tabs.a.t[tabs.a.n++] = inc;
 }
 
 size_t