Binary package “libxslt1-dev” in ubuntu focal

XSLT 1.0 processing library - development kit

 XSLT is an XML language for defining transformations of XML files from
 XML to some other arbitrary format, such as XML, HTML, plain text, etc.
 using standard XSLT stylesheets. libxslt is a C library which
 implements XSLT version 1.0.
 .
 This package contains the development files for libxslt.