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diff --git a/lib/willora_pdf_converter.rb b/lib/willora_pdf_converter.rb
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+#
+# WilloraPDF
+# Charlotte Koch <dressupgeekout@gmail.com>
+#
+
+# With guidance from:
+# - https://docs.asciidoctor.org/pdf-converter/latest/extend/create-converter/
+# - https://docs.asciidoctor.org/pdf-converter/latest/extend/use-cases/#custom-thematic-break
+class WilloraPDFConverter < Asciidoctor::Converter.for('pdf')
+  register_for 'pdf'
+
+  # My custom thematic break, which is just a blank space the size of the main
+  # font. (The default thematic break draws a horizontal rule.)
+  def convert_thematic_break(node)
+    theme_margin(:thematic_break, :top)
+    move_down(theme.base_font_size)
+    theme_margin(:thematic_break, ((block_next = next_enclosed_block node) ? :bottom : :top), block_next || true)
+  end
+end