Smartquote postprocessing using cmark CLI utility to overcome Goldmark's typographer limitation

[kaushalmodi]

• https://discourse.gohugo.io/t/anyone-have-a-good-smartypants-for-markdown-solution/34216
• https://gist.github.com/jgreely/8529abfefb5312f38cf263fc9646321d

[kaushalmodi]

From a recent test, Hugo/Goldmark's typographer (Hugo v0.92.0) is doing a great job at smart quote conversion for both single and double quotes. So the above CLI utility is not needed.

#532 (comment):