+static int
+post_bf(struct mdoc *mdoc)
+{
+ char *p;
+ struct mdoc_node *head;
+
+ if (MDOC_BLOCK != mdoc->last->type)
+ return(1);
+ assert(MDOC_Bf == mdoc->last->tok);
+ head = mdoc->last->data.block.head;
+ assert(head);
+
+ if (0 == mdoc->last->data.block.argc) {
+ if (head->child) {
+ assert(MDOC_TEXT == head->child->type);
+ p = head->child->data.text.string;
+ if (xstrcmp(p, "Em"))
+ return(1);
+ else if (xstrcmp(p, "Li"))
+ return(1);
+ else if (xstrcmp(p, "Sm"))
+ return(1);
+ return(mdoc_nerr(mdoc, head->child, "invalid font mode"));
+ }
+ return(mdoc_err(mdoc, "macro expects an argument or parameter"));
+ }
+ if (head->child)
+ return(mdoc_err(mdoc, "macro expects an argument or parameter"));
+ if (1 == mdoc->last->data.block.argc)
+ return(1);
+ return(mdoc_err(mdoc, "macro expects an argument or parameter"));
+}
+
+