This is a copy of the "official" version of Astrolog 7.40 (released March 31, 2022) described at: http://www.astrolog.org/astrolog.htm
The files here were copied from: http://www.astrolog.org/ftp/ast74src.zip
The changes in version 7.40 are described at: http://www.astrolog.org/ftp/updat740.htm
No modifications have been made to any of these files, and the only addition is this GITHUB format README.