Below is an example of both types of apostrophes and quotation marks in a pre-post composition AND the result after posting or previewing both:
OH! MY!
Your post is a tiny pic graphic that can’t be C&P...is that really kosher around here?
BTW, your statement “It’s the slanted...marks.” makes me want to call for the Asian-kid-JPG telling you - - -
You’re “laciss!”