Template:Tag

{{#switch:pair

|c|close  = 
|sSecond|single
|o|open
|p|pair   = <lesser thantag{{#if:| {{{params}}}}}

}}{{#switch:pair

|c|close  = 
|s|single =  />greater than
|o|open   = >
|p|pair   = >...

}}{{#switch:pair

|s|single
|o|open   = 
|c|close
|p|pair   = </tag>

}} Template:Documentation