Changes
Trim any leading or trailing spaces in parameter 1. Tested with /sandbox and /testcases.
{{cmbox
|type=notice
|text=For convenience, ''all'' {{#if:1|{{{1}}}}} should be included in this category. This includes all {{#if:{{{2<includeonly>|</includeonly>}}}|{{{2}}}|{{{1}}}}} that can also be found in the subcategories.
}}<noinclude>
{{Documentation}}
</noinclude>
|type=notice
|text=For convenience, ''all'' {{#if:1|{{{1}}}}} should be included in this category. This includes all {{#if:{{{2<includeonly>|</includeonly>}}}|{{{2}}}|{{{1}}}}} that can also be found in the subcategories.
}}<noinclude>
{{Documentation}}
</noinclude>