Index: sites/all/modules/site_map/site_map.module
===================================================================
--- sites/all/modules/site_map/site_map.module	(revision 4101)
+++ sites/all/modules/site_map/site_map.module	(working copy)
@@ -123,7 +123,14 @@
     '#maxlength' => 10,
     '#description' => t('Specify how many subcategories should be included on the categorie page. Enter "all" to include all subcategories,"0" to include no subcategories, or "-1" not to append the depth at all.'),
   );
-
+  $form['site_map_content_options']['site_map_count_threshold'] = array(
+    '#type' => 'textfield',
+    '#title' => t('Tag node count threshold'),
+    '#default_value' => variable_get('site_map_count_threshold', -1),
+    '#size' => 3,
+    '#description' => t('Only show tags whose node counts are greater than this threshold. Set to -1 to disable')
+  );
+  
   $form['site_map_rss_options'] = array(
     '#type' => 'fieldset',
     '#title' => t('RSS settings'),
@@ -379,10 +386,10 @@
  */
 function _site_map_taxonomys() {
   if (module_exists('taxonomy') && $vids = variable_get('site_map_show_vocabularies', array())) {
-    $result = db_query('SELECT vid, name, description 
+    $result = db_query('SELECT vid, name, description, tags 
       FROM {vocabulary} WHERE vid IN (%s) ORDER BY weight ASC, name', implode(',', $vids));
     while ($t = db_fetch_object($result)) {
-      $output .= _site_map_taxonomy_tree($t->vid, $t->name, $t->description);
+      $output .= _site_map_taxonomy_tree($t->vid, $t->name, $t->description, $t->tags);
     }
   }
 
@@ -397,7 +404,7 @@
  * @param $description An optional description of the tree. (Default: NULL)
  * @return A string representing a rendered tree.
  */
-function _site_map_taxonomy_tree($vid, $name = NULL, $description = NULL) {
+function _site_map_taxonomy_tree($vid, $name = NULL, $description = NULL, $tags = 0) {
   if ($vid == variable_get('forum_nav_vocabulary', '')) {
     $title = l($name, 'forum');
   }
@@ -421,46 +428,55 @@
   $output .= '<div class="tree">';
   // taxonomy_get_tree() honors access controls
   $tree = taxonomy_get_tree($vid);
+  
+  if ($tags) {
+    $threshold_count = variable_get('site_map_count_threshold', -1);
+  }
+  else {
+    $threshold_count = -1;
+  }
   foreach ($tree as $term) {
     // Adjust the depth of the <ul> based on the change
     // in $term->depth since the $last_depth.
-    if ($term->depth > $last_depth) {
-      for ($i = 0; $i < ($term->depth - $last_depth); $i++) {
-        $output .= '<ul>';
+    $term->count = taxonomy_term_count_nodes($term->tid);
+    if ($term->count > $threshold_count) {
+      if ($term->depth > $last_depth) {
+        for ($i = 0; $i < ($term->depth - $last_depth); $i++) {
+          $output .= '<ul>';
+        }
       }
-    }
-    else if ($term->depth < $last_depth) {
-      for ($i = 0; $i < ($last_depth - $term->depth); $i++) {
-        $output .= '</ul>';
+      else if ($term->depth < $last_depth) {
+        for ($i = 0; $i < ($last_depth - $term->depth); $i++) {
+          $output .= '</ul>';
+        }
       }
-    }
-    // Display the $term.
-    $output .= '<li>';
-    $term->count = taxonomy_term_count_nodes($term->tid);
-    if ($term->count) {
-      if ($cat_depth < 0) {
-        $output .= l($term->name, taxonomy_term_path($term), array('title' => $term->description));
+    
+      // Display the $term.
+      $output .= '<li>';
+    
+      if ($term->count) {
+        if ($cat_depth < 0) {
+          $output .= l($term->name, taxonomy_term_path($term), array('title' => $term->description));
+        }
+        else {
+          $output .= l($term->name, "taxonomy/term/$term->tid/$cat_depth", array('title' => $term->description));
+        }
       }
       else {
-        $output .= l($term->name, "taxonomy/term/$term->tid/$cat_depth", array('title' => $term->description));
+         $output .= check_plain($term->name);
       }
-    }
-    else {
-       $output .= check_plain($term->name);
-    }
-    if (variable_get('site_map_show_count', 1)) {
-      $output .= " ($term->count)";
+      if (variable_get('site_map_show_count', 1)) {
+        $output .= " ($term->count)";
+      }
+      if (variable_get('site_map_show_rss_links', 1)) {
+        $output .= ' '. theme('site_map_feed_icon', url("taxonomy/term/$term->tid/$rss_depth/feed"));
+        $output .= (module_exists('commentrss') ? ' '. theme('site_map_feed_icon', url("crss/term/$term->tid"), 'comment') : '');
+      }
+
+      $output .= "</li>\n";
+      // Reset $last_depth in preparation for the next $term.
+      $last_depth = $term->depth;
     }
-    if (variable_get('site_map_show_rss_links', 1)) {
-      $output .= ' '. theme('site_map_feed_icon', url("taxonomy/term/$term->tid/$rss_depth/feed"));
-      $output .= (module_exists('commentrss') ? ' '. theme('site_map_feed_icon', url("crss/term/$term->tid"), 'comment') : '');
-    }
-
-
-
-    $output .= "</li>\n";
-    // Reset $last_depth in preparation for the next $term.
-    $last_depth = $term->depth;
   }
 
   // Bring the depth back to where it began, -1.