Jan 10, 2024: version 2.3.1

    * minor updates to build system

Dec 30, 2023: version 2.3.0

    * major change to build system: by Markus Mützel
    * SPEX_version: added to return version of SPEX

Sept 18, 2023: version 2.2.1

    * cmake update: add "None" build type, from Antonio Rojas, for Arch Linux

Sept 8, 2023: version 2.2.0

    * cmake updates: SuiteSparse:: namespace by Markus Muetzel

June 16, 2023: version 2.0.4

    * cmake build system updates: update by Markus Muetzel.
        Includes changes to FindMPFR.cmake and FindGMP.cmake.

Jan 17, 2023: version 2.0.3

    * SuiteSparse_config: now v7.0.0

Dec 9, 2022: version 2.0.2

    * minor change to build system

Nov 12, 2022: version 2.0.0

    * using CMake build system
    * SuiteSparse_long: replaced with int64_t
    * SPEX.h: single include file
    * SPEX_VERSION: single set of version and date macros

July 7, 2022: version 1.1.5

    * version published in ACM TOMS

