2021-05-28: David Anderson
    * CMakeLists.txt:Version string now 20210528
    * Makefile.am: Added scripts ChangeLogs for 2019,
      2020. Removed scripts items that were deleted
      from the source (no longer needed)
    * Makefile.in: Regenerated.
    * README.md: Removes reference to deleted script,
      references 'make dist' instead.
    * configure.ac: Version 20210528
    * configure: regenerated
2021-05-20: David Anderson
    * CMakeLists.txt, configure.ac: Now version
      20210520
    * configure: Regenerated.
2021-05-17: David Anderson
    * CMakeLists.txt: Removed test that has been
      irrelevant for quite a while (and had a serious
      misspelling too).
    * config.h.in.cmake: Added two missing header file
      checks and the associated cmakedefine lines.
      Removed cmakedefine NO_MINUS_C_MINUS_O as it
      only applies to configure (not to cmake).
2021-05-17: David Anderson
    * README: Removed obsolete reference to libelf source.
2021-05-14: David Anderson
    * bugxml/bugrecord.py, bugxml/readbugs.py: Reformatted
      to standard python style.
2021-05-14: David Anderson
    * CMakeLists.txt: Updateing version to match
      configure.ac and adding comment to keep these
      files in sync.
    * configure.ac: Added comment to keep the version
      here and in CMakeLists.txt in sync. 
      No other change.
2021-05-12: David Anderson
    * CMakeLists.txt: Fixing a disastrous error removing
      creation of libdwarf.h from the build. The mistake
      was made in a commit 24 November 2020.
      Now ctest -R passes again, with or without libelf.
2021-03-05: David Anderson
    * configure.ac: Now version 20210305.
    * configure: Regenerated.
2021-02-14: David Anderson
2021-02-19: David Anderson
    * scripts/ddbuild.sh: needed a -DSKIP_AF_CHECK
      to allow building a helper program that
      emits C source for dwarfdump.
2021-02-15: David Anderson
    * configure.ac: Now version 20210214.
    * configure: Regenerated.
2021-02-14: David Anderson
    * scripts/ddbuild.sh: Now also builds a table
      for initializing standard attr/form tables
      for checking attr/form combinations.
2021-01-19: David Anderson
    * scripts/conddef.py,scripts/find_pdfpages.py,
      scripts/funcfinderhdr.py,scripts/funcfindermm.py,
      scripts/funcfindersrcs.py,scripts/haveinclude.py:
      All now are fairly close to following the Python
      PEP 8 style guide.`


