libjs-katex 0.13.11+~cs6.0.0-3 (s390x binary) in ubuntu kinetic

 KaTeX is a fast, easy-to-use JavaScript library for TeX math rendering on the
 web.
 .
 KaTeX supports all major browsers, including Chrome, Safari, Firefox, Opera,
 Edge, and IE 9 - IE 11.
 .
 This package provides files targeted at browsers.