Index: wp-includes/deprecated.php
===================================================================
--- wp-includes/deprecated.php	(revision 25620)
+++ wp-includes/deprecated.php	(working copy)
@@ -3390,3 +3390,31 @@
 	_deprecated_function( __FUNCTION__, '3.7' );
 	return trim( $t, "\"'\n\r " );
 }
+
+/**
+ * Formerly used to escape strings before INSERTing 
+ * into the DB.
+ *
+ * @since 0.71
+ *
+ * @deprecated 3.7.0
+ * @deprecated Original intent was to add slashes to POSTed data, use $wpdb::prepare instead
+ *
+ * @param string $content The text to pass through the filter.
+ * @return string Text returned from the 'format_to_post' filter.
+ */
+function format_to_post($content) {
+	_deprecated_function( __FUNCTION__, '3.7', '$wpdb::prepare' );
+	/**
+	 * Filter the string passed to format_to_post 
+	 *
+	 * @since 0.71
+	 * 
+	 * @deprecated 3.7.0
+	 * @deprecated Original intent was to add slashes to POSTed data, use $wpdb::prepare instead
+	 *
+	 * @param string $content The content to format.
+	 */
+	$content = apply_filters('format_to_post', $content);
+	return $content;
+}
Index: wp-includes/formatting.php
===================================================================
--- wp-includes/formatting.php	(revision 25620)
+++ wp-includes/formatting.php	(working copy)
@@ -1327,19 +1327,6 @@
 }
 
 /**
- * Holder for the 'format_to_post' filter.
- *
- * @since 0.71
- *
- * @param string $content The text to pass through the filter.
- * @return string Text returned from the 'format_to_post' filter.
- */
-function format_to_post($content) {
-	$content = apply_filters('format_to_post', $content);
-	return $content;
-}
-
-/**
  * Add leading zeros when necessary.
  *
  * If you set the threshold to '4' and the number is '10', then you will get