docbook2mdoc: Improve <link linkend="..."> formatting.

[schwarze@mandoc.bsd.lv]

Log Message:
-----------
Improve <link linkend="..."> formatting.
Take markup of the content into account. 
Do not break a partial implicit macro line, if one is open.
Do not let the parentheses extend too far.

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

Revision Data
-------------
Index: docbook2mdoc.c
===================================================================
RCS file: /home/cvs/mdocml/docbook2mdoc/docbook2mdoc.c,v
retrieving revision 1.108
retrieving revision 1.109
diff -Ldocbook2mdoc.c -Ldocbook2mdoc.c -u -p -r1.108 -r1.109
--- docbook2mdoc.c
+++ docbook2mdoc.c
@@ -573,24 +573,34 @@ pnode_printauthor(struct format *f, stru
 static void
 pnode_printlink(struct format *f, struct pnode *n)
 {
+	struct pnode	*nc;
 	const char	*uri, *text;
 
 	uri = pnode_getattr_raw(n, ATTRKEY_LINKEND, NULL);
 	if (uri != NULL) {
 		if (TAILQ_FIRST(&n->childq) != NULL) {
-			print_textnode(f, n);
+			TAILQ_FOREACH(nc, &n->childq, child)
+				pnode_print(f, nc);
 			text = "";
-		} else {
-			text = pnode_getattr_raw(n, ATTRKEY_ENDTERM, NULL);
-			if (text != NULL)
+		} else if ((text = pnode_getattr_raw(n,
+		    ATTRKEY_ENDTERM, NULL)) != NULL) {
+			if (f->linestate == LINE_MACRO && f->flags & FMT_ARG)
+				macro_addarg(f, text, ARG_SPACE);
+			else
 				print_text(f, text, ARG_SPACE);
 		}
 		if (text != NULL) {
-			macro_open(f, "Pq");
-			f->flags |= FMT_CHILD;
+			if (f->flags & FMT_IMPL)
+				macro_open(f, "Po");
+			else {
+				macro_open(f, "Pq");
+				f->flags |= FMT_CHILD;
+			}
 		}
 		macro_open(f, "Sx");
 		macro_addarg(f, uri, ARG_SPACE);
+		if (text != NULL && f->flags & FMT_IMPL)
+			macro_open(f, "Pc");
 		pnode_unlinksub(n);
 		return;
 	}
--
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