diff --git a/src/r_tests/java/w2phtml/regressionTests/html5/GreenstoneHeadings.java b/src/r_tests/java/w2phtml/regressionTests/html5/GreenstoneHeadings.java
new file mode 100644
index 0000000..76bc96a
--- /dev/null
+++ b/src/r_tests/java/w2phtml/regressionTests/html5/GreenstoneHeadings.java
@@ -0,0 +1,30 @@
+package w2phtml.regressionTests.html5;
+
+import static org.junit.jupiter.api.Assertions.assertTrue;
+
+import java.io.File;
+import java.util.ArrayList;
+import java.util.List;
+
+import org.apache.commons.io.FileUtils;
+import org.junit.jupiter.api.DisplayName;
+import org.junit.jupiter.api.Test;
+
+public class GreenstoneHeadings {
+ @Test
+ @DisplayName("Greenstone3 tags headings")
+ void testExample() throws Exception {
+ String testName = "gs_headings";
+ List arguments = new ArrayList();
+ arguments.add("-page_break_style");
+ arguments.add("height:3em;margin-top:1em;margin-bottom:1em;background-color:red;");
+ arguments.add("-greenstone=true");
+ arguments.add("-html5");
+ arguments.add("./testdocuments/input/" + testName + ".odt");
+ arguments.add("./testdocuments/output/" + testName + ".html");
+ w2phtml.Application.main(arguments.toArray(new String[0]));
+ File result = new File("./testdocuments/output/" + testName + ".html");
+ File model = new File("./testdocuments/model/" + testName + ".html");
+ assertTrue(FileUtils.contentEquals(result, model), "The files differ!");
+ }
+}
diff --git a/testdocuments/input/gs_headings.odt b/testdocuments/input/gs_headings.odt
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index 0000000..7e7bdc4
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diff --git a/testdocuments/model/gs_headings.html b/testdocuments/model/gs_headings.html
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index 0000000..3219de3
--- /dev/null
+++ b/testdocuments/model/gs_headings.html
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