deletions | additions       diff --git a/_layouts/katex.html b/_layouts/katex.html  index b8cc7ca..1d3b01e 100644  --- a/_layouts/katex.html  +++ b/_layouts/katex.html 
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      href="https://cdnjs.cloudflare.com/ajax/libs/KaTeX/0.2.0/katex.min.css"> href="https://cdnjs.cloudflare.com/ajax/libs/KaTeX/0.7.1/katex.min.css">   src="https://cdnjs.cloudflare.com/ajax/libs/KaTeX/0.7.1/katex.min.js">