Fixed problem with interpreting '0' as '' - link text was misinterpreted.

extension/config.qfq.example.ini

@@ -132,4 +132,4 @@ WKHTMLTOPDF = /opt/wkhtmltox/bin/wkhtmltopdf
 ; thumbnailDirSecure = fileadmin/protected/qfqThumbnail
 ; thumbnailDirPublic = typo3temp/qfqThumbnail
 ; cmdInkscape = inkscape
-; cmdConvert = convert
\ No newline at end of file
+; cmdConvert = convert

extension/qfq/qfq/report/Link.php

@@ -947,31 +947,12 @@ class Link {
 
         $order = ($vars[NAME_RIGHT] === "l") ? [FINAL_SYMBOL, FINAL_THUMBNAIL, NAME_TEXT] : [NAME_TEXT, FINAL_THUMBNAIL, FINAL_SYMBOL];
         foreach ($order as $key) {
-            if (!empty($vars[$key])) {
+            if (isset($vars[$key]) && $vars[$key] != '') { // empty() is wrong here, cause '0' would be recognized as empty.
                 $arr[] = $vars[$key];
             }
         }
         $content = implode(' ', $arr);
 
-        // Compose Image & Text
-//        if ($htmlImage === '') {
-//            $content = $vars[NAME_TEXT];
-//        } elseif ($vars[NAME_TEXT] === '') {
-//            $content = $htmlImage;
-//        } else {
-//            if ($vars[NAME_RIGHT] === "l") {
-//                $content = implode(' ', [$htmlImage, $vars[NAME_TEXT]]);
-//            } else {
-//                $content = implode(' ', [$vars[NAME_TEXT], $htmlImage]);
-//            }
-//        }
-
-//        if ($vars[NAME_RIGHT] === "l") {
-//            $content = implode(' ', [$htmlImage, $vars[NAME_TEXT]]);
-//        } else {
-//            $content = implode(' ', [$vars[NAME_TEXT], $htmlImage]);
-//        }
-
         if ($vars[NAME_EXTRA_CONTENT_WRAP] != '') {
             $content = Support::wrapTag($vars[NAME_EXTRA_CONTENT_WRAP], $content);
         }