Extension:TopicTags/Template-Tag

1. Browse the the link below on your wiki, to create a new page on your wiki:

YOUR-WIKI-URL/Template:Tag

2. Copy and paste the wikitext below into the source-editor of the new page, and save the page: __NOCACHE__

Explanation
Here's a breakdown of the code in Template:Tag. (note, the installation code provided here is minified, so here's a readable, de-minified breakdown):

' transcluded section

' LOGIC: If the transclude does NOT contain 2nd parameter (the pipe char):

' Non-transcluded section (for display on this template page)

' Transclude the tag-description, from the tag-specific page