Index: functions.php
===================================================================
--- functions.php	(revision 15031)
+++ functions.php	(working copy)
@@ -249,8 +249,18 @@
 add_filter( 'excerpt_length', 'twentyten_excerpt_length' );
 
 /**
- * Replaces "[...]" (appended to automatically generated excerpts) with an ellipsis.
+ * Returns a "Continue Reading" link for excerpts
  *
+ * @since Twenty Ten 1.0
+ * @return string "Continue Reading" link
+ */
+function twentyten_continue_reading_link() {
+	return ' <a href="'. get_permalink() . '">' . __( 'Continue reading <span class="meta-nav">&rarr;</span>', 'twentyten' ) . '</a>';
+}
+
+/**
+ * Replaces "[...]" (appended to automatically generated excerpts) with an ellipsis and twentyten_continue_reading_link().
+ *
  * To override this in a child theme, remove the filter and add your own
  * function tied to the excerpt_more filter hook.
  *
@@ -258,12 +268,12 @@
  * @return string An ellipsis
  */
 function twentyten_auto_excerpt_more( $more ) {
-	return ' &hellip;';
+	return ' &hellip;' . twentyten_continue_reading_link();
 }
 add_filter( 'excerpt_more', 'twentyten_auto_excerpt_more' );
 
 /**
- * Adds a pretty "Continue Reading" link to post excerpts.
+ * Adds a pretty "Continue Reading" link to custom post excerpts.
  *
  * To override this link in a child theme, remove the filter and add your own
  * function tied to the get_the_excerpt filter hook.
@@ -272,7 +282,10 @@
  * @return string Excerpt with a pretty "Continue Reading" link
  */
 function twentyten_custom_excerpt_more( $output ) {
-	return $output . ' <a href="'. get_permalink() . '">' . __( 'Continue reading <span class="meta-nav">&rarr;</span>', 'twentyten' ) . '</a>';
+	if ( has_excerpt() ) {
+		$output .= twentyten_continue_reading_link();
+	}
+	return $output;
 }
 add_filter( 'get_the_excerpt', 'twentyten_custom_excerpt_more' );