Right single apostrophe vs. apostrophe?

Question

Right single quotation mark (U+2019) vs. Apostrophe (U+0027)

What is the difference between these two characters?

I ran into this issue where I us

Answer 1

Historically, single-quote and double-quote come in pairs, left (open) and right (close).

For many years the character sets of computers were limited, having a single form of each.

Now, with the advent of Unicode, the full forms are available, but support for them is still limited. Programming languages still use the simple forms, and the full forms can still cause problems.