Changes in version 0.2.3 (2025-04-01)                  

  - Documentation fixes for HTML manuals on CRAN.

                 Changes in version 0.2.2 (2021-04-30)                  

  - Tweaks to fix R CMD check.
  - Fixed a warning in anim.arrows().

                 Changes in version 0.2.1 (2019-05-16)                  

  - Added a NEWS.md file to track changes to the package.
  - Moved full vignette to a subdirectory of doc/ to satisfy CRAN
    checks.