trying antora

doc/antora/code/my_app.rb

@@ -0,0 +1,21 @@
+# This file represents "software".
+# This file helps show that documentation files can be in the same repository as software.
+
+rescue => ex
+  begin
+    context = %(asciidoctor: FAILED: #{attrs['docfile'] || '<stdin>'}: Failed to load AsciiDoc document)
+    if ex.respond_to? :exception
+      # The original message must be explicitely preserved when wrapping a Ruby exception
+      wrapped_ex = ex.exception %(#{context} - #{ex.message})
+      # JRuby automatically sets backtrace, but not MRI
+      wrapped_ex.set_backtrace ex.backtrace
+    else
+      # Likely a Java exception class
+      wrapped_ex = ex.class.new context, ex
+      wrapped_ex.stack_trace = ex.stack_trace
+    end
+  rescue
+    wrapped_ex = ex
+  end
+  raise wrapped_ex
+end