set with no field selected

ChangeLog

@@ -10,6 +10,8 @@ $Source$
 	  when displaying a TEXT field
 	* sql.php3, bug 448226 (Missing MySQL messages), correction from Loic.
 	* tbl_change.php3, bug 442778, Edit record with two similar SET fields 
+	* tbl_replace.php3, could not save a row with a set which has no
+  	  value selected
 
 2001-08-06  Steve Alberty  <alberty@nepunlabs.de>
 	* index.php3: remove warning under Apache 2.0.23-dev

tbl_replace.php3

@@ -8,7 +8,6 @@
 require('./grab_globals.inc.php3');
 require('./lib.inc.php3');
 
-
 /**
  * Initializes some variables
  */
@@ -90,14 +89,16 @@ if (isset($primary_key) && ($submit_type != $strInsertAsNewRow)) {
                 break;
         } // end switch
 
+        if (!empty($val)) {  
           if (empty($funcs[$key])) {
               $valuelist .= backquote($key) . ' = ' . $val . ', ';
           } else {
               $valuelist .= backquote($key) . " = $funcs[$key]($val), ";
           }
+        }
     } // end while
 
-    // Builds the sql upate query
+    // Builds the sql update query
     $valuelist = ereg_replace(', $', '', $valuelist);
     $query     = 'UPDATE ' . backquote($table) . " SET $valuelist WHERE $primary_key";
 } // end row update