diff options
| -rw-r--r-- | app/lib/toc_generator.rb | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/app/lib/toc_generator.rb b/app/lib/toc_generator.rb index 351675a5c..0c8f766ca 100644 --- a/app/lib/toc_generator.rb +++ b/app/lib/toc_generator.rb @@ -45,7 +45,7 @@ class TOCGenerator parsed_html.traverse do |node| next unless TARGET_ELEMENTS.include?(node.name) - anchor = node['id'] || node.text.parameterize + anchor = node['id'] || node.text.parameterize.presence || 'sec' @slugs[anchor] += 1 anchor = "#{anchor}-#{@slugs[anchor]}" if @slugs[anchor] > 1 |