I used the existing anchors generated by Docbook, so the anchor part
should be a no-op. This could be useful depending on the
infrastructure we choose to use, and it is better to be explicit than
rely on Docbook's id generating algorithms.
I got rid of the metadata segments of the Markdown files, because they
are outdated, inaccurate, and could make people less willing to change
them without speaking with the author.
/build/doc/manual-full.xml:12764:35: error: ID "build-phase" has already been defined
/build/doc/manual-full.xml:9029:33: error: first occurrence of ID "build-phase"
