GUIDE
Open editor
to open editor use tool link
highlight code to desired lang
to highlight code to desired language
add filename with universal language extension
Have a rtf or image output
turn image output to true and paste the image or rtf in 
Add a watermark
to add watermark override previous watermark with your own 
Print a pdf
first list your current code to printing list and then click print
Paste code block in ms word
click on copy
and then paste (ctrl+v) in word processor

Nothing found in list error
When you’re trying to open https://sgi-capp-at2.github.io/code-highlight-n-print/tool/print.html without listing in current browser session then error is thrown
without listing
print list is NULL