I am running into a duplicate meta code problem when using the NoNumber Sourcerer plugin to execute addCustomTag via the K2 Category text.

My Post to the Developer:
www.nonumber.nl/forum/sourcerer/27270-adding-meta-tags-code-to-joomla-article-head-section#41245

Developer Response:
www.nonumber.nl/forum/sourcerer/27270-adding-meta-tags-code-to-joomla-article-head-section#41246

Note: It works with the item full text, but not the category text. I need it for the category.