This escapsulated plugin enables a site to use shortcodes when generating links to products or categories within a product or category description. The shortcode text is replaced by a link to the respective product or category, making maintenance of those descriptions less time-consuming.
Zen Cart support-thread: https://www.zen-cart.com/showthread.php?230256-Shortcodes-for-Zen-Cart&p=1402497
Zen Cart download link: https://www.zen-cart.com/downloads.php?do=file&id=2394