doc: render nixpkgs manual with nrd

also updates nixdoc to 2.3.0. the nixdoc update is not a separate commit
because that would leave the manual build broken for one commit,
potentially breaking bisects and rebases.

2 files changed, 5 insertions, 14 deletions

diff --git a/doc/functions/library.md.in b/doc/functions/library.md.in
new file mode 100644
index 0000000000000..e17de86feb8ae
--- /dev/null
+++ b/doc/functions/library.md.in
@@ -0,0 +1,5 @@
+# Nixpkgs Library Functions {#sec-functions-library}
+
+Nixpkgs provides a standard library at `pkgs.lib`, or through `import <nixpkgs/lib>`.
+
+<!-- nixdoc-generated documentation must be appended here during build! -->
diff --git a/doc/functions/library.xml b/doc/functions/library.xml
deleted file mode 100644
index 788ea0b94f1fe..0000000000000
--- a/doc/functions/library.xml
+++ /dev/null
@@ -1,14 +0,0 @@
-<section xmlns="http://docbook.org/ns/docbook"
-         xmlns:xlink="http://www.w3.org/1999/xlink"
-         xmlns:xi="http://www.w3.org/2001/XInclude"
-         xml:id="sec-functions-library">
- <title>Nixpkgs Library Functions</title>
-
- <para>
-  Nixpkgs provides a standard library at <varname>pkgs.lib</varname>, or through <code>import &lt;nixpkgs/lib&gt;</code>.
- </para>
-
- <!-- The index must have a root element to declare namespaces, but we
-      don't want to include it, so we select all of its children. -->
- <xi:include href="./library/generated/index.xml" xpointer="xpointer(/root/*)" />
-</section>