Prepare release of lxml 5.3.1.

CHANGES.txt

@@ -2,7 +2,7 @@
 lxml changelog
 ==============
 
-5.3.1 (2025-02-??)
+5.3.1 (2025-02-05)
 ==================
 
 Bugs fixed
@@ -13,7 +13,7 @@ Bugs fixed
 
 * LP#2097175: ``DTD(external_id="…")`` erroneously required a byte string as ID value.
 
-* ``iterparse()`` internally triggered the `DeprecationWarning`` added in lxml 5.3.0 when parsing HTML.
+* GH#450: ``iterparse()`` internally triggered the `DeprecationWarning`` added in lxml 5.3.0 when parsing HTML.
 
 Other changes
 -------------

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 5.3.0`_, released 2024-08-10
-(`changes for 5.3.0`_).  `Older versions <#old-versions>`_
+The latest version is `lxml 5.3.1`_, released 2025-02-05
+(`changes for 5.3.1`_).  `Older versions <#old-versions>`_
 are listed below.
 
 Please take a look at the
@@ -260,7 +260,9 @@ See the websites of lxml
 ..
    and the `latest in-development version <https://lxml.de/dev/>`_.
 
-.. _`PDF documentation`: lxmldoc-5.3.0.pdf
+.. _`PDF documentation`: lxmldoc-5.3.1.pdf
+
+* `lxml 5.3.1`_, released 2025-02-05 (`changes for 5.3.1`_)
 
 * `lxml 5.3.0`_, released 2024-08-10 (`changes for 5.3.0`_)
 
@@ -282,6 +284,7 @@ See the websites of lxml
 
 * `older releases <https://lxml.de/5.0/#old-versions>`_
 
+.. _`lxml 5.3.1`: /files/lxml-5.3.1.tgz
 .. _`lxml 5.3.0`: /files/lxml-5.3.0.tgz
 .. _`lxml 5.2.2`: /files/lxml-5.2.2.tgz
 .. _`lxml 5.2.1`: /files/lxml-5.2.1.tgz
@@ -292,6 +295,7 @@ See the websites of lxml
 .. _`lxml 5.0.1`: /files/lxml-5.0.1.tgz
 .. _`lxml 5.0.0`: /files/lxml-5.0.0.zip
 
+.. _`changes for 5.3.1`: /changes-5.3.1.html
 .. _`changes for 5.3.0`: /changes-5.3.0.html
 .. _`changes for 5.2.2`: /changes-5.2.2.html
 .. _`changes for 5.2.1`: /changes-5.2.1.html

src/lxml/__init__.py

@@ -1,6 +1,6 @@
 # this is a package
 
-__version__ = "5.3.0"
+__version__ = "5.3.1"
 
 
 def get_include():