User blog comment:Phuocphuc46/Operation Deleting-Useless-Similiar-One-time Used Categories/@comment-26429063-20151113113852

Everyone, I've created this point to light everyone's awareness of creating useless categories and how to delete it. Yet it seems like no one care about it. I'm not saying this so that the blog post could get lots of comments, I'm just saying this so people could know more about wiki editing.