{@ $selected_var = $extra_keys[$selected_var_idx] }

{$XE_VALIDATOR_MESSAGE}

{$lang->extra_vars} {$selected_var_idx}

{$lang->about_extra_vars_eid_value}
{$lang->about_extra_vars_default_value}
{$lang->cmd_back}

{$lang->extra_vars}

{$lang->no} {$lang->eid} {$lang->column_name} {$lang->column_type} {$lang->is_required} {$lang->cmd_search}  
{$val->idx} {$val->eid} {$val->name} {$lang->column_type_list[$val->type]} {$lang->is_required}N {$lang->search_target}N {$lang->cmd_move_up} {$lang->cmd_move_down} {$lang->cmd_modify}... {$lang->cmd_delete}
{$lang->default_value} {$val->default} 
{$lang->description} {$val->desc} 
{$lang->cmd_insert}