Editing Template:Xtag

<code class="nowrap">{{#switch:{{{2|pair}}}
 |c|close  = <!--nothing-->
 |s|single
 |o|open
 |p|pair   = &lt;{{#switch:{{{1|}}}
 |categorytree=[[mw:Extension:CategoryTree|categorytree]]
 |charinsert=[[mw:Extension:CharInsert|charinsert]]
 |ce=[[Help:Displaying a formula#Chemistry|ce]]
 |chem=[[Help:Displaying a formula#Chemistry|chem]]
 |gallery=[[Help:Gallery tag|gallery]]
 |graph=[[Help:Graph|graph]]
 |hiero=[[mw:Extension:WikiHiero|hiero]]
 |includeonly=[[Help:Template#Noinclude, includeonly, and onlyinclude|includeonly]]
 |indicator=[[mw:Help:Page status indicators|indicator]]
 |imagemap=[[mw:Extension:ImageMap|imagemap]]
 |inputbox=[[mw:Extension:InputBox|inputbox]]
 |mapframe=[[mw:Extension:Kartographer|mapframe]]
 |maplink=[[mw:Extension:Kartographer#<maplink>|maplink]]
 |math=[[mw:Extension:Math|math]]
 |math chem=[[Help:Displaying a formula#Chemistry|math chem]]
 |noinclude=[[Help:Template#Noinclude, includeonly, and onlyinclude|noinclude]]
 |nowiki=[[Help:Nowiki|nowiki]]
 |onlyinclude=[[Help:Template#Noinclude, includeonly, and onlyinclude|onlyinclude]]
 |poem=[[mw:Extension:Poem|poem]]
 |pre=[[WP:PRE|pre]]
 |ref=[[mw:Extension:Cite/Cite.php|ref]]
 |references=[[mw:Extension:Cite/Cite.php|references]]
 |score=[[Help:Score|score]]
 |section=[[mw:Extension:Labeled Section Transclusion|section]]
 |source=[[mw:Extension:SyntaxHighlight|source]]
 |syntaxhighlight=[[mw:Extension:SyntaxHighlight|syntaxhighlight]]
 |templatedata=[[Wikipedia:TemplateData/Tutorial|templatedata]]
 |templatestyles=[[mw:Extension:TemplateStyles|templatestyles]]
 |timeline=[[mw:Extension:EasyTimeline|timeline]]
 |#default={{{1|}}}[[Category:Pages using xtag template with unsupported tag name]]
}}{{#if:{{{params|}}}|&#32;{{{params}}}}}
}}{{#switch:{{{2|open}}}
 |c|close  = {{{content|}}}
 |s|single =  &#32;/&gt;
 |o|open   = &gt;{{{content|}}}
 |p|pair   = &gt;{{{content|...}}}
}}{{#switch:{{{2|open}}}
 |s|single
 |o|open   = <!--nothing-->
 |c|close
 |p|pair   = &lt;/{{{1|tag}}}&gt;
}}</code><noinclude>
{{documentation}}
</noinclude>