block--system--main.tpl.php

Note: this list is generated by looking for the string for this theme hook, so it may include some references that are not actually using this theme hook.

system_theme in core/modules/system/system.module

Implements hook_theme().

<?php
/**
 * @file
 * Template for outputting the main content block.
 *
 * This template overrides block.tpl.php to remove all wrappers if there are
 * no custom classes specified.
 */
?>
<?php if ($classes): ?>
<div class="<?php print implode(' ', $classes); ?>">
<?php endif; ?>
<?php print render($content); ?>
<?php if ($classes): ?>
</div>
<?php endif; ?>