[6437] don't forget that anchor tags are for anchors

[Gavin D. Smith]

Revision: 6437
          http://svn.sv.gnu.org/viewvc/?view=rev&root=texinfo&revision=6437
Author:   gavin
Date:     2015-07-20 16:53:56 +0000 (Mon, 20 Jul 2015)
Log Message:
-----------
don't forget that anchor tags are for anchors

Modified Paths:
--------------
    trunk/ChangeLog
    trunk/info/nodes.c

Modified: trunk/ChangeLog
===================================================================
--- trunk/ChangeLog     2015-07-18 08:59:52 UTC (rev 6436)
+++ trunk/ChangeLog     2015-07-20 16:53:56 UTC (rev 6437)
@@ -1,3 +1,9 @@
+2015-07-19  Gavin Smith  <address@hidden>
+
+       * info/nodes.c (find_node_from_tag) <resetting tag table>: Don't
+       forget that tags for anchors refer to anchors.  Report from
+       Eli Zaretskii.
+
 2015-07-18  Eli Zaretskii  <address@hidden>
 
        * info/nodes.c (find_node_from_tag, info_node_of_tag): Use

Modified: trunk/info/nodes.c
===================================================================
--- trunk/info/nodes.c  2015-07-18 08:59:52 UTC (rev 6436)
+++ trunk/info/nodes.c  2015-07-20 16:53:56 UTC (rev 6437)
@@ -1204,13 +1204,15 @@
       if (!FILENAME_CMP ((*t)->filename, fb->fullpath))
         {
           NODE *n = &(*t)->cache;
+          int is_anchor = n->nodelen == 0;
           (*t)->nodestart_adjusted = -1;
           if (n->flags & N_WasRewritten)
             free (n->contents);
           info_free_references (n->references);
           free (n->next); free (n->prev); free (n->up);
           memset (n, 0, sizeof (NODE));
-          n->nodelen = -1;
+          if (!is_anchor)
+            n->nodelen = -1;
         }
     }