Help:$smwgPlainList

is a configuration parameter that sets whether  should provide class attributes to HTML elements, e.g.  for result list items.CiteRef::gh:smw:4367 The configuration parameter was introduced in  and allows to disable the breaking changes to the list format, i.e. now providing class attributes, introduced with CiteRef::gh:smw:3130.

Default setting
This means that the list format will provide class attributes to HTML elements.

Changing the default setting
To modify the setting to this configuration parameter, add one of the following lines to your "LocalSettings.php" file after the  call:

This means that the list format will no longer provide class attributes to HTML elements.
 * Disables class attributes to HTML elements