Editing Template:TemplateData header

<div class="templatedata-header">{{#if:{{{noheader|}}}|<!--
 noheader:
-->{{Template parameter usage|based=y}}|<!--
 +header:
-->This is the {{#if:{{{nolink|}}}|<!--
  +header, nolink TD
  -->TemplateData|<!--
  +header,  +link [[TD]]; DEFAULT:
-->[[Wikipedia:TemplateData|TemplateData]]}}<!--
   e.o. #if:nolink; DEFAULT:
--> for this template used by [[mw:Extension:TemplateWizard|TemplateWizard]], [[Wikipedia:VisualEditor|VisualEditor]] and other tools. {{Template parameter usage|based=y}}<!--
   e.o. #if:noheader
-->}}

'''TemplateData for {{{1|{{BASEPAGENAME}}}}}'''
</div><includeonly><!--

 check parameters
-->{{#invoke:Check for unknown parameters|check
|unknown={{template other|1=[[Category:Pages using TemplateData header with unknown parameters|_VALUE_]]}}
|template=Template:TemplateData header
|1 |nolink |noheader
|preview=<div class="error" style="font-weight:normal">Unknown parameter '_VALUE_' in [[Template:TemplateData header]].</div>
}}<!--
-->{{template other|{{sandbox other||
[[Category:Templates using TemplateData]]

}}}}</includeonly><!--

--><noinclude>{{Documentation}}</noinclude>