#ref_ in Wikipedia:Template:Note
Are you trying this on Wikipedia or a third-party MediaWiki installation? If just on Wikipedia, you may want to try that template's talk page for assistance. Generally this is a place for supporting the MediaWiki software that Wikipedia runs on.
The mediawiki note template is different. I am somewhat new at this but am going to guess that wikipedia has some proprietary parser similar to Extension:Ref that handles #ref_ ?
Sorry - meant the talk page on Wikipedia - my bad. :) Try this link instead. Wikipedia does not have any proprietary software of any kind. It's all available via this website. Looking at that template, it looks like a basic link format. What are you trying to do with it? Are you trying to use the <ref> tag? If so, that relate to citations, which you can find out more about here and here.
