WYSIWYG:

The single note to the left of Jim's "signature" and the double note on the right both paste into Word with ANSI value 63, if you pick them up and paste them one at a time. That's because Word doesn't recognize "character entity values" outside the normal ASCII - or with later versions, outside the normal ANSI range. (ASCI = 0 thru 127, ANSI = 0 thru 255)

This character value would normally paste back into the post window and paint the ? question mark glyph.

Actually, what I see in your post is a blank rectangle, indicating an unidentified/untranslatable character, followed by the lower case o-caron, and then the rest of it.

What I found in your post is (something with char value 129, that on my screen is a dud - an open rectangle) (char value 244, which is a valid o-circumflex)(Oh you kid!♫)

My guess would be that Word recognized the first character's code, but couldn't read it, so it punted. It thought the end of line code was just normal text, so it pasted it. (You evidently copied more than just the end character).

The characters Jim actually posted are ♪ & ♫.

Neither of these characters is included in the HTML 4 Specification as "legal" for use in html, but that doesn't necessarily mean they won't work, as can be seen.
The "conscience burn" I get from using the Insert-Special-Characters function in Word is that it does, fairly frequently, use out-of-legal-range characters and often "uncharacters" whose composition is known only to mickeysoft.

I don't know that this causes any humongous problems in html, but it can really screw up a prepress layout.

John