Changes
Back to Izno's version; removing support for 2= completely after instances cleaned up.
<includeonly>{{#if:{{{1|}}}|{{div col <!-- Support for previous parameter 1= aka cols= has been removed after being deprecated for compatibility reasons; use the more accessible parameter colwidth= instead. -->
| colwidth = {{{colwidth|30em}}}
| gap = {{{gap|}}}
| rules = {{{rules|}}}
| small = {{{small|}}}
| class = {{{class|}}}
| style = {{{style|}}}
| content = {{{1|}}}
}}}}</includeonly>{{#invoke:Check for unknown parameters|check|unknown={{main other|[[Category:Pages using columns-list with unknown parameters|_VALUE_{{PAGENAME}}]]}}|preview=Page using [[Template:Columns-list]] with unknown parameter "_VALUE_"|ignoreblank=y| 1 | class | colwidth | gap | rules | small | style }}<noinclude>
{{documentation}}
</noinclude>
| colwidth = {{{colwidth|30em}}}
| gap = {{{gap|}}}
| rules = {{{rules|}}}
| small = {{{small|}}}
| class = {{{class|}}}
| style = {{{style|}}}
| content = {{{1|}}}
}}}}</includeonly>{{#invoke:Check for unknown parameters|check|unknown={{main other|[[Category:Pages using columns-list with unknown parameters|_VALUE_{{PAGENAME}}]]}}|preview=Page using [[Template:Columns-list]] with unknown parameter "_VALUE_"|ignoreblank=y| 1 | class | colwidth | gap | rules | small | style }}<noinclude>
{{documentation}}
</noinclude>