Nachtrag:
@all - für alle, welche in eine ähnliche Situation kommen. Das Problem lässt sich mit dem Command grep lösen... Und voilà, hier sind sie!
PHP
yuna@debian:~$ grep -rn Unattached Downloads/wordpress Downloads/wordpress/wp-admin/includes/class-wp-media-list-table.php:69: $type_links['detached'] = '<a href="upload.php?detached=1"' . ( $this->detached ? ' class="current"' : '' ) . '>' . sprintf( _nx( 'Unattached <span class="count">(%s)</span>', 'Unattached <span class="count">(%s)</span>', $total_orphans, 'detached files' ), number_format_i18n( $total_orphans ) ) . '</a>'; Downloads/wordpress/wp-admin/includes/class-wp-media-list-table.php:314: <td <?php echo $attributes ?>><?php _e( '(Unattached)' ); ?><br /> Downloads/wordpress/wp-includes/post.php:575: // Unattached attachments are assumed to be published Übereinstimmungen in Binärdatei Downloads/wordpress/wp-content/languages/de_DE.mo. Downloads/wordpress/wp-content/languages/de_DE.po:10329:msgid "Unattached <span class=\"count\">(%s)</span>" Downloads/wordpress/wp-content/languages/de_DE.po:10330:msgid_plural "Unattached <span class=\"count\">(%s)</span>" Downloads/wordpress/wp-content/languages/de_DE.po:10373:msgid "(Unattached)" yuna@debian:~$