Prepare release of 5.1.0.

CHANGES.txt

@@ -2,7 +2,7 @@
 lxml changelog
 ==============
 
-Under development
+5.1.0 (2024-01-05)
 ==================
 
 Features added

doc/main.txt

@@ -160,8 +160,8 @@ Index <http://pypi.python.org/pypi/lxml/>`_ (PyPI).  It has the source
 that compiles on various platforms.  The source distribution is signed
 with `this key <pubkey.asc>`_.
 
-The latest version is `lxml 5.0.1`_, released 2024-01-05
-(`changes for 5.0.1`_).  `Older versions <#old-versions>`_
+The latest version is `lxml 5.1.0`_, released 2024-01-05
+(`changes for 5.1.0`_).  `Older versions <#old-versions>`_
 are listed below.
 
 Please take a look at the
@@ -258,7 +258,9 @@ See the websites of lxml
 ..
    and the `latest in-development version <https://lxml.de/dev/>`_.
 
-.. _`PDF documentation`: lxmldoc-5.0.1.pdf
+.. _`PDF documentation`: lxmldoc-5.1.0.pdf
+
+* `lxml 5.1.0`_, released 2024-01-05 (`changes for 5.1.0`_)
 
 * `lxml 5.0.1`_, released 2024-01-05 (`changes for 5.0.1`_)
 
@@ -276,6 +278,7 @@ See the websites of lxml
 
 * `older releases <https://lxml.de/4.9/#old-versions>`_
 
+.. _`lxml 5.1.0`: /files/lxml-5.1.0.tgz
 .. _`lxml 5.0.1`: /files/lxml-5.0.1.tgz
 .. _`lxml 5.0.0`: /files/lxml-5.0.0.zip
 .. _`lxml 4.9.4`: /files/lxml-4.9.4.tgz
@@ -284,6 +287,7 @@ See the websites of lxml
 .. _`lxml 4.9.1`: /files/lxml-4.9.1.tgz
 .. _`lxml 4.9.0`: /files/lxml-4.9.0.tgz
 
+.. _`changes for 5.1.0`: /changes-5.1.0.html
 .. _`changes for 5.0.1`: /changes-5.0.1.html
 .. _`changes for 5.0.0`: /changes-5.0.0.html
 .. _`changes for 4.9.4`: /changes-4.9.4.html

src/lxml/__init__.py

@@ -1,6 +1,6 @@
 # this is a package
 
-__version__ = "5.1.0a0"
+__version__ = "5.1.0"
 
 
 def get_include():