Template:MediaWiki URL rules

From EcoliseWiki

URLs must begin with a supported URI scheme. http:// and https:// will be supported by all browsers; however, ftp://, gopher://, irc://, ircs://, mailto: and news: may require a plug-in or an external application and should normally be avoided. IPv6 host-names are currently not supported.

If URLs in citation template parameters contain certain characters, then they will not display and link correctly. Those characters need to be percent-encoded. For example, a space must be replaced by %20. To encode the URL, replace the following characters with:

sp " ' < > [ ] { | }
%20 %22 %27 %3c %3e %5b %5d %7b %7c %7d

Single apostrophes do not need to be encoded; however, unencoded multiples will be parsed as italic or bold markup. Single curly closing braces also do not need to be encoded; however, an unencoded pair will be parsed as the double closing braces for the template transclusion. {{#switch:<translate></translate> | = Script error: No such module "documentation". | #default=

 Script error: No such module "Template translation".

}}{{#if:| [[Category:Template documentation pages{{#translation:}}]] }}