Changes
per request on talk page, please revert if this causes a problem. Thanks!
{{#ifeq:{{FULLROOTPAGENAME}}|Wikipedia:Template messages|<!--Do not categorize-->|<!---->{{#ifexpr:{{#if:{{NAMESPACE}}|0|1}}+{{#ifeq:{{{onlyarticles|no}}}|yes|0|1}}
|{{#if:{{{3|}}}
|[[Category:{{{1}}} {{{2}}} {{{3}}}]]<!--
-->}}{{#if:{{{4|}}}
|[[Category:{{{4}}}]]}}<!--
-->}}<!----}}<noinclude>
{{documentation}}
</noinclude>