https://archive.softwareheritage.org/swh:1:rev:f46bffcd6966d38a09023fb37ba9335214c9b959;origin=https://github.com/ArashPartow/exprtk;visit=swh:1:snp:0a7ed56e64f85ad6bf222c04fa0288c2af81d77a
Might want to have this project simply point to https://github.com/ArashPartow/exprtk/tree/release