Update version numbers etc for v1.4.2

Author: james-d-mitchell

CITATION.cff

@@ -41,5 +41,5 @@ abstract: >-
   A Python package that wraps the functionality of the C++
   library libsemigroups.
 license: GPL-3.0+
-version: 1.4.1
-date-released: "2026-03-17"
+version: 1.4.2
+date-released: "2026-03-20"

README.md

@@ -57,7 +57,7 @@ presented, semigroups and monoids. The main algorithms implemented in
 [Efficient Testing of Equivalence of Words in a Free Idempotent Semigroup]: https://link.springer.com/chapter/10.1007/978-3-642-11266-9_55
 [Applications of automata theory to presentations of monoids and inverse monoids]: https://digitalcommons.unl.edu/dissertations/AAI8803771/
 [Todd-Coxeter algorithm]: https://en.wikipedia.org/wiki/Todd%E2%80%93Coxeter_algorithm
-[The Todd-Coxeter algorithm for semigroups and monoids]: https://doi.org/10.1007/s00233-024-10431-z
+[The Todd-Coxeter algorithm for semigroups and monoids]: https://doi.org/10.1007/s00233-024-1.4.2-z
 [Schreier-Sims algorithm]: https://en.wikipedia.org/wiki/Schreier%E2%80%93Sims_algorithm
 [Expository Slides]: https://www.irif.fr/~jep/PDF/Exposes/StAndrews.pdf
 [Semigroupe 2.01]: https://www.irif.fr/~jep/Logiciels/Semigroupe2.0/semigroupe2.html
@@ -150,10 +150,10 @@ uv pip install .
 To build `libsemigroups_pybind11` from a release archive:
 
 ```console
-curl -L -O https://github.com/libsemigroups/libsemigroups_pybind11/releases/latest/download/libsemigroups_pybind11-1.4.1.tar.gz
-tar -xf libsemigroups_pybind11-1.4.1.tar.gz
-rm -f libsemigroups_pybind11-1.4.1.tar.gz
-cd libsemigroups_pybind11-1.4.1
+curl -L -O https://github.com/libsemigroups/libsemigroups_pybind11/releases/latest/download/libsemigroups_pybind11-1.4.2.tar.gz
+tar -xf libsemigroups_pybind11-1.4.2.tar.gz
+rm -f libsemigroups_pybind11-1.4.2.tar.gz
+cd libsemigroups_pybind11-1.4.2
 pip install .
 ```
 

docs/source/changelog-v1.rst

@@ -8,6 +8,18 @@
 Changelog - version 1
 =====================
 
+v1.4.2 (released 20/03/2026)
+----------------------------
+
+This a minor release which contains a number of minor improvements to the
+documentation, and some fixes to the return types of the ``ToddCoxeter``
+methods related to lookahead and lookbehind.
+
+* Todd coxeter rtypes by @james-d-mitchell in
+  https://github.com/libsemigroups/libsemigroups_pybind11/pull/406
+* Doc fixes by @james-d-mitchell in
+  https://github.com/libsemigroups/libsemigroups_pybind11/pull/407
+
 v1.4.1 (released 17/03/2026)
 ----------------------------
 
@@ -20,15 +32,15 @@ v1.4.0 (released 25/02/2026)
 
 This is a minor release including some improvements and new features:
 
-* Update to libsemigroups v3.5.0 and add the new features it contains.
+* Update to libsemigroups_ v3.5.0 and add the new features it contains.
 * transf: future proof ``__getitem__`` by @james-d-mitchell in https://github.com/libsemigroups/libsemigroups_pybind11/pull/382
 * todd-coxeter: update for changes in libsemigroups by @james-d-mitchell in https://github.com/libsemigroups/libsemigroups_pybind11/pull/388
 
 
 v1.3.0 (released 18/01/2026)
 ----------------------------
 
-* Update to libsemigroups v3.4.0 and add features introduced there by
+* Update to libsemigroups_ v3.4.0 and add features introduced there by
   @james-d-mitchell in
   https://github.com/libsemigroups/libsemigroups_pybind11/pull/380
 

docs/source/install.rst

@@ -101,10 +101,10 @@ To build ``libsemigroups_pybind11`` from a release archive:
 
 ::
 
-    $ curl -L -O https://github.com/libsemigroups/libsemigroups_pybind11/releases/latest/download/libsemigroups_pybind11-1.4.1.tar.gz
-    $ tar -xf libsemigroups_pybind11-1.4.1.tar.gz
-    $ rm -f libsemigroups_pybind11-1.4.1.tar.gz
-    $ cd libsemigroups_pybind11-1.4.1
+    $ curl -L -O https://github.com/libsemigroups/libsemigroups_pybind11/releases/latest/download/libsemigroups_pybind11-1.4.2.tar.gz
+    $ tar -xf libsemigroups_pybind11-1.4.2.tar.gz
+    $ rm -f libsemigroups_pybind11-1.4.2.tar.gz
+    $ cd libsemigroups_pybind11-1.4.2
     $ pip install .
 
 Building the documentation