javadoc crashes:

java.lang.ExceptionInInitializerError
        at jdk.internal.md/jdk.internal.org.commonmark.internal.inline.EntityInlineParser.entity(EntityInlineParser.java:85)
        at jdk.internal.md/jdk.internal.org.commonmark.internal.inline.EntityInlineParser.tryParse(EntityInlineParser.java:76)
        at jdk.internal.md/jdk.internal.org.commonmark.internal.InlineParserImpl.parseInline(InlineParserImpl.java:210)
        at jdk.internal.md/jdk.internal.org.commonmark.internal.InlineParserImpl.parse(InlineParserImpl.java:152)
        at jdk.internal.md/jdk.internal.org.commonmark.internal.ParagraphParser.parseInlines(ParagraphParser.java:97)
        at jdk.internal.md/jdk.internal.org.commonmark.internal.DocumentParser.processInlines(DocumentParser.java:516)
        at jdk.internal.md/jdk.internal.org.commonmark.internal.DocumentParser.finalizeAndProcess(DocumentParser.java:563)
        at jdk.internal.md/jdk.internal.org.commonmark.internal.DocumentParser.parse(DocumentParser.java:162)
        at jdk.internal.md/jdk.internal.org.commonmark.parser.Parser.parse(Parser.java:102)
        at jdk.internal.md/jdk.internal.markdown.MarkdownTransformer$DCTransformer.transform(MarkdownTransformer.java:250)