The XSLT C library developed for the GNOME project
conda install -c conda-forge libxslt
conda install -c conda-forge/label/gcc7 libxslt
conda install -c conda-forge/label/cf201901 libxslt
"Libxslt is the XSLT C library developed for the GNOME project. XSLT itself is a an XML language to define transformation for XML. Libxslt is based on libxml2 the XML C library developed for the GNOME project. It also implements most of the EXSLT set of processor-portable extensions functions and some of Saxon's evaluate and expressions extensions."