- // TODO: make the facet themable, I have no clue why this won't work
-// case 'mkdru_sources':
-// $block['subject'] = t('Source');
-// $block['content'] = theme('mkdru_block_facet', 'mkdru-sources');
-// return $block;
-// case 'mkdru_subjects':
-// $block['subject'] = t('Subject');
-// $block['content'] = theme('mkdru_block_facet', 'mkdru-subjects');
-// return $block;
-// case 'mkdru_authors':
-// $block['subject'] = t('Author');
-// $block['content'] = theme('mkdru_block_facet', 'mkdru-authors');
-// return $block;