I'd rather this were corrected in the uploading process as requested on MSO, but fixing this might be easier and let us pop the height in after the img tag rather than having to scroll past the image src to find the the insertion point for modifying the width or height of an inline image.
Automatically resize high-resolution screenshots
I'm using Firefox 22.0 on my Mac and I can confirm this defect. It's also an issue with Firefox on Windows. FWIW, I've also seen this behavior with previous versions of the browser.
And yet: I've only witnessed this defect at Ask Different. I'm a moderator at the Personal Finance & Money Stack Exchange and spend enough time there and I've never seen ...
Firefox (22.0). When I write:
within a new Firefox window I see it is immediatly rewritten as:
And the debugger of Firefox tells me that ...
I wanted to show how the current design looks on Safari Version 6.0.5 (8536.30.1):
My cursor at the time was the hand outline with a pointing finger and it was hovering over the 50 in both cases. It looks like the meta design is very close to your proposed coloring already.
My initial analysis is the correct characters are stored in the database, yet the rendered code strips html entities and changes the standard quote into smart (or dumb depending on your outlook) quotes.
My guess is this transformation of text in question titles is intentional and might even have a technical reason relating to URL encoding or other database ...
Actually more tooltips are like this, thus it's by design and not a bug.
If you hover on the Upvote it displays:
This question shows research effort; it is useful and clear
If you hover on the Downvote it displays:
This question does not show any research effort; it is unclear or not
It does explain you what happens when you click it, thus ...