+# Specific things that are not expected to work.
+# - Uses a book class, but has no chapters (forbidden in DocBook).
+export/export/MissingEndLayoutBetweenTables_docbook5
+export/doc/DummyDocument.*_docbook5
+export/doc/de/DummyDocument.*_docbook5
+export/doc/es/DocumentoPostizo.*_docbook5
+export/doc/fr/DocumentBidon.*_docbook5
+export/doc/ja/DummyDocument.*_docbook5
+# - The AASTeX template is too complex for automatic conversion to work reliably.
+export/export/docbook/bibliography_precooked_aastex_docbook5
+# - This test is usually inverted, but it works with the DocBook backend.
+!export/export/latex/lyxbugs/3059-language-in-tables_docbook5
+
+Sublabel: docbook poster