sclassen

yes. DoneFilter returns `D_OUT` which is then wrapped in a new `Promise`, where as DonePipe returns `Promise` So if we would apply the DonePipe as a map() we would get...

check out https://github.com/karakun/OpenWebStart

This sounds a lot like there are multiple versions of asciidoctorj on you classpath. Can you post configuration for the `asciidoctor-maven-plugin` in your pom.xml file.

OK, the problem was not do to multiple versions on the classpath but to a limitation of the PDF backend. See https://github.com/asciidoctor/asciidoctorj-pdf/issues/7 I implemented a workaround in the screenshot extension...

The exception is the following: ``` org.asciidoctor.internal.AsciidoctorCoreException: org.jruby.exceptions.RaiseException: (ArgumentError) asciidoctor: FAILED: : Failed to load AsciiDoc document - wrong number of arguments (1 for 0) at org.asciidoctor.internal.JRubyAsciidoctor.render(JRubyAsciidoctor.java:314) at org.asciidoctor.internal.JRubyAsciidoctor.render(JRubyAsciidoctor.java:422) at...

registering BlockProcessor and BlockMacroProcessor with passing the class and not an instance works

Thank you. I can confirm that the following constructor solves the problem: ``` java public MyPostProcessor(DocumentRuby documentRuby) { super() } ```

yes I do think so. Maybe you want to think about a better error message or some kind of check to tell the user which constructor is expected for a...