+ * Update support for Asciidoctor documentation toolchain.
+ (merge 83b0b8953e ma/asciidoctor-refmiscinfo later to maint).
+
+ * Start using DocBook 5 (instead of DocBook 4.5) as Asciidoctor 2.0
+ no longer works with the older one.
+ (merge f6461b82b9 bc/doc-use-docbook-5 later to maint).
+
+ * The markup used in user-manual has been updated to work better with
+ asciidoctor.
+ (merge c4d2f6143a ma/user-manual-markup-update later to maint).
+
+ * Make sure the grep machinery does not abort when seeing a payload
+ that is not UTF-8 even when JIT is not in use with PCRE1.
+ (merge ad7c543e3b cb/skip-utf8-check-with-pcre1 later to maint).
+