===================================================================
RCS file: /cvs/mandoc/tree.c,v
retrieving revision 1.85
retrieving revision 1.89
diff -u -p -r1.85 -r1.89
--- mandoc/tree.c	2020/01/11 16:03:42	1.85
+++ mandoc/tree.c	2020/04/08 11:56:04	1.89
@@ -1,7 +1,7 @@
-/*	$Id: tree.c,v 1.85 2020/01/11 16:03:42 schwarze Exp $ */
+/* $Id: tree.c,v 1.89 2020/04/08 11:56:04 schwarze Exp $ */
 /*
- * Copyright (c) 2008, 2009, 2011, 2014 Kristaps Dzonsons <kristaps@bsd.lv>
  * Copyright (c) 2013-2015, 2017-2020 Ingo Schwarze <schwarze@openbsd.org>
+ * Copyright (c) 2008, 2009, 2011, 2014 Kristaps Dzonsons <kristaps@bsd.lv>
  *
  * Permission to use, copy, modify, and distribute this software for any
  * purpose with or without fee is hereby granted, provided that the above
@@ -14,6 +14,9 @@
  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ *
+ * Formatting module to let mandoc(1) show
+ * a human readable representation of the syntax tree.
  */
 #include "config.h"
 
@@ -33,6 +36,7 @@
 #include "eqn.h"
 #include "main.h"
 
+static	void	print_attr(const struct roff_node *);
 static	void	print_box(const struct eqn_box *, int);
 static	void	print_cellt(enum tbl_cellt);
 static	void	print_man(const struct roff_node *, int);
@@ -188,28 +192,8 @@ print_mdoc(const struct roff_node *n, int indent)
 			if (argv[i].sz > 0)
 				printf(" ]");
 		}
-
-		putchar(' ');
-		if (n->flags & NODE_DELIMO)
-			putchar('(');
-		if (n->flags & NODE_LINE)
-			putchar('*');
-		printf("%d:%d", n->line, n->pos + 1);
-		if (n->flags & NODE_DELIMC)
-			putchar(')');
-		if (n->flags & NODE_EOS)
-			putchar('.');
-		if (n->flags & NODE_BROKEN)
-			printf(" BROKEN");
-		if (n->flags & NODE_NOFILL)
-			printf(" NOFILL");
-		if (n->flags & NODE_NOSRC)
-			printf(" NOSRC");
-		if (n->flags & NODE_NOPRT)
-			printf(" NOPRT");
-		putchar('\n');
+		print_attr(n);
 	}
-
 	if (n->eqn)
 		print_box(n->eqn->first, indent + 4);
 	if (n->child)
@@ -290,19 +274,9 @@ print_man(const struct roff_node *n, int indent)
 	} else {
 		for (i = 0; i < indent; i++)
 			putchar(' ');
-		printf("%s (%s) ", p, t);
-		if (n->flags & NODE_LINE)
-			putchar('*');
-		printf("%d:%d", n->line, n->pos + 1);
-		if (n->flags & NODE_DELIMC)
-			putchar(')');
-		if (n->flags & NODE_EOS)
-			putchar('.');
-		if (n->flags & NODE_NOFILL)
-			printf(" NOFILL");
-		putchar('\n');
+		printf("%s (%s)", p, t);
+		print_attr(n);
 	}
-
 	if (n->eqn)
 		print_box(n->eqn->first, indent + 4);
 	if (n->child)
@@ -310,6 +284,40 @@ print_man(const struct roff_node *n, int indent)
 		    (n->type == ROFFT_BLOCK ? 2 : 4));
 	if (n->next)
 		print_man(n->next, indent);
+}
+
+static void
+print_attr(const struct roff_node *n)
+{
+	putchar(' ');
+	if (n->flags & NODE_DELIMO)
+		putchar('(');
+	if (n->flags & NODE_LINE)
+		putchar('*');
+	printf("%d:%d", n->line, n->pos + 1);
+	if (n->flags & NODE_DELIMC)
+		putchar(')');
+	if (n->flags & NODE_EOS)
+		putchar('.');
+	if (n->flags & NODE_ID) {
+		printf(" ID");
+		if (n->flags & NODE_HREF)
+			printf("=HREF");
+	} else if (n->flags & NODE_HREF)
+		printf(" HREF");
+	else if (n->tag != NULL)
+		printf(" STRAYTAG");
+	if (n->tag != NULL)
+		printf("=%s", n->tag);
+	if (n->flags & NODE_BROKEN)
+		printf(" BROKEN");
+	if (n->flags & NODE_NOFILL)
+		printf(" NOFILL");
+	if (n->flags & NODE_NOSRC)
+		printf(" NOSRC");
+	if (n->flags & NODE_NOPRT)
+		printf(" NOPRT");
+	putchar('\n');
 }
 
 static void