+<!--
+ - The docbook stylesheet injects empty anchor tags into generated HTML, identified by an auto-generated ID.
+ - Ask the docbook stylesheet to generate reproducible output when generating (these) ID values.
+ - This makes the output of this stylesheet reproducible across identical invocations on the same input,
+ - which is an easy and significant win for achieving reproducible builds.
+ -
+ - It may be even better to strip the empty anchors from the document output in addition to turning on consistent IDs,
+ - for this stylesheet contains its own custom ID logic (for generating permalinks) already.
+ -->
+<xsl:param name="generate.consistent.ids" select="1"/>