Example: `"The man was 5'6" and 120 lbs."` returns `“The man was 5'6” and 120 lbs."` Should return `“The man was 5'6" and 120 lbs.”` We must have something more specific than protectedTag (cf. [reddit comment](https://www.reddit.com/r/PHP/comments/617u6z/a_php_lib_to_fix_the_typography_of_your_text/dfd0uj5/))