1 files changed, 4 insertions, 0 deletions
diff --git a/vendor/league/html-to-markdown/src/Converter/HeaderConverter.php b/vendor/league/html-to-markdown/src/Converter/HeaderConverter.php
index d117e7d36..05d4fe81e 100644
--- a/vendor/league/html-to-markdown/src/Converter/HeaderConverter.php
+++ b/vendor/league/html-to-markdown/src/Converter/HeaderConverter.php
@@ -34,6 +34,10 @@ class HeaderConverter implements ConverterInterface, ConfigurationAwareInterface
         $level = (int) substr($element->getTagName(), 1, 1);
         $style = $this->config->getOption('header_style', self::STYLE_SETEXT);
 
+        if (strlen($element->getValue()) === 0) {
+            return '';
+        }
+
         if (($level === 1 || $level === 2) && !$element->isDescendantOf('blockquote') && $style === self::STYLE_SETEXT) {
             return $this->createSetextHeader($level, $element->getValue());
         }