Switch from markdownj to flexmark

Author: imagejan

pom.xml

@@ -5,7 +5,7 @@
 	<parent>
 		<groupId>org.scijava</groupId>
 		<artifactId>pom-scijava</artifactId>
-		<version>26.0.0</version>
+		<version>29.2.1</version>
 		<relativePath />
 	</parent>
 
@@ -84,6 +84,8 @@ Wisconsin-Madison.</license.copyrightOwners>
 
 		<!-- NB: Deploy releases to the SciJava Maven repository. -->
 		<releaseProfiles>deploy-to-scijava</releaseProfiles>
+
+		<flexmark.version>0.62.2</flexmark.version>
 	</properties>
 
 	<dependencies>
@@ -95,9 +97,9 @@ Wisconsin-Madison.</license.copyrightOwners>
 
 		<!-- Third-party dependencies -->
 		<dependency>
-			<groupId>org.markdownj</groupId>
-			<artifactId>markdownj</artifactId>
-			<version>0.3.0-1.0.2b4</version>
+			<groupId>com.vladsch.flexmark</groupId>
+			<artifactId>flexmark-all</artifactId>
+			<version>${flexmark.version}</version>
 		</dependency>
 
 		<!--  Test scope dependencies -->

src/main/java/org/scijava/plugins/text/markdown/MarkdownTextFormat.java

@@ -30,18 +30,18 @@
 
 package org.scijava.plugins.text.markdown;
 
-import com.petebevin.markdown.MarkdownProcessor;
-
+import com.vladsch.flexmark.util.ast.Node;
+import com.vladsch.flexmark.html.HtmlRenderer;
+import com.vladsch.flexmark.parser.Parser;
 import java.util.Arrays;
 import java.util.List;
-
 import org.scijava.plugin.Plugin;
 import org.scijava.text.AbstractTextFormat;
 import org.scijava.text.TextFormat;
 
 /**
- * Text format for <a
- * href="http://daringfireball.net/projects/markdown/">Markdown</a>.
+ * Text format for
+ * <a href="http://daringfireball.net/projects/markdown/">Markdown</a>.
  * 
  * @author Curtis Rueden
  */
@@ -55,8 +55,11 @@ public List<String> getExtensions() {
 
 	@Override
 	public String asHTML(final String text) {
-		final MarkdownProcessor markdown = new MarkdownProcessor();
-		return markdown.markdown(text);
+		Parser parser = Parser.builder().build();
+		HtmlRenderer renderer = HtmlRenderer.builder().build();
+
+		Node node = parser.parse(text);
+		return renderer.render(node);
 	}
 
 }