+/* ARGSUSED */
+static int
+mdoc_sm_pre(MDOC_ARGS)
+{
+
+ assert(n->child && MDOC_TEXT == n->child->type);
+ if (0 == strcmp("on", n->child->string)) {
+ /* FIXME: no p->col to check... */
+ h->flags &= ~HTML_NOSPACE;
+ h->flags &= ~HTML_NONOSPACE;
+ } else
+ h->flags |= HTML_NONOSPACE;
+
+ return(0);
+}
+
+