Stack Overflow - Collapsed answer with code block shows wrong characters

[btv2018]

> character is shown as &g if StackOverflow answer with a code block is collapsed.
See the screenshot please:

"boost check throw" query was used.
Original StackOverflow answer http://stackoverflow.com/questions/15133259/boost-check-no-throw-how-to-get-exception-message-printed#16701468

[zachthompson]

Thanks, noted for fixing.