docbook2mdoc: Make macro_addnode() more flexible: Iteratively descend

docbook2mdoc: Make macro_addnode() more flexible: Iteratively descend

[schwarze]

Log Message:
-----------
Make macro_addnode() more flexible:
Iteratively descend singleton children to find a singleton text node.

Modified Files:
--------------
    docbook2mdoc:
        macro.c

Revision Data
-------------
Index: macro.c
===================================================================
RCS file: /home/cvs/mdocml/docbook2mdoc/macro.c,v
retrieving revision 1.4
retrieving revision 1.5
diff -Lmacro.c -Lmacro.c -u -p -r1.4 -r1.5
--- macro.c
+++ macro.c
@@ -153,6 +153,7 @@ macro_argline(struct format *f, const ch
 void
 macro_addnode(struct format *f, struct pnode *pn, int flags)
 {
+	struct pnode	*nc;
 	int		 quote_now;
 
 	assert(f->linestate == LINE_MACRO);
@@ -162,10 +163,11 @@ macro_addnode(struct format *f, struct p
 	 * that text, letting macro_addarg() decide about quoting.
 	 */
 
-	if (pn->node == NODE_TEXT || pn->node == NODE_ESCAPE ||
-	    ((pn = TAILQ_FIRST(&pn->childq)) != NULL &&
-	     (pn->node == NODE_TEXT || pn->node == NODE_ESCAPE) &&
-	     TAILQ_NEXT(pn, child) == NULL)) {
+	while ((nc = TAILQ_FIRST(&pn->childq)) != NULL &&
+	    TAILQ_NEXT(nc, child) == NULL)
+		pn = nc;
+
+	if (pn->node == NODE_TEXT || pn->node == NODE_ESCAPE) {
 		macro_addarg(f, pn->b, flags);
 		return;
 	}
@@ -194,9 +196,9 @@ macro_addnode(struct format *f, struct p
 	 * inserting whitespace between nodes.
 	 */
 
-	while (pn != NULL) {
-		macro_addnode(f, pn, flags);
-		pn = TAILQ_NEXT(pn, child);
+	while (nc != NULL) {
+		macro_addnode(f, nc, flags);
+		nc = TAILQ_NEXT(nc, child);
 		flags |= ARG_SPACE;
 	}
 	if (quote_now)
--
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