Use a separate node->tag attribute rather than abusing the node->string

attribute for the purpose.  No functional change intended.
The purpose is to make it possible to later attach tags to text nodes.

1 files changed, 2 insertions, 4 deletions

diff --git a/term_tag.c b/term_tag.c
index f6203a6c..201471c5 100644
--- a/term_tag.c
+++ b/term_tag.c
@@ -1,4 +1,4 @@
-/* $Id: term_tag.c,v 1.2 2020/04/02 22:12:55 schwarze Exp $ */
+/* $Id: term_tag.c,v 1.3 2020/04/08 11:56:04 schwarze Exp $ */
 /*
  * Copyright (c) 2015,2016,2018,2019,2020 Ingo Schwarze <schwarze@openbsd.org>
  *
@@ -129,9 +129,7 @@ term_tag_write(struct roff_node *n, size_t line)
 
 	if (tag_files.tfs == NULL)
 		return;
-	if (n->string == NULL)
-		n = n->child;
-	cp = n->string;
+	cp = n->tag == NULL ? n->child->string : n->tag;
 	if (cp[0] == '\\' && (cp[1] == '&' || cp[1] == 'e'))
 		cp += 2;
 	len = strcspn(cp, " \t\\");