{strip}
    {assign var = 'cellValue' value = $params|@current}
    {assign var = 'columnName' value = $params|@key}
    {parse_cell_params params = $column.key data = $row}
    {if '' != $cellValue }
        <a href="{$column.url|htmlspecialchars}column={$columnName}&amp;{$params|@http_build_query|htmlspecialchars}">{$column.values[$cellValue]}</a>
    {/if}
    {/parse_cell_params}
{/strip}