Gives horrible system error upon loading of your wiki after installation. However, Description2 works beautifully for changing the meta description on 1.19. Craig131 (talk) 07:13, 5 August 2012 (UTC)
Topic on Extension talk:MetaDescriptionTag
I'm using this fine with 1.21.2 so either there was something specific to 1.19 or there was a problem with your setup.
This post was posted by Frug~mediawikiwiki, but signed as Frug.