See Sum of $n$ consecutive numbers divided by $n$ for an example.
The title of this question has the variable $n$ in italics. When rendering in the browser title bar it is displayed as \$n\$. I am using Chrome 12.0.742.112 on Mac.
Open question: is there any sane way to reduce to a "pure ASCII" version of LaTeX? Obviously stripping
I am leaning toward "that is a crazy idea to even entertain", so perhaps what you're suggesting is not possible?
The HTML and XHTML standards specify that the title elements must contain only text strings and not other elements. In particular, there can be no formatting or mark-up specifications. So @Carl's suggestion of "parsing and stripping" is explicitly forbidden in an HTML document.
(For example, emphasized text in HTML looks like
Insofar as textual representations of mathematical strings go, I think leaving it as TeX style mark-up is perhaps most desirable. (Of course, one can always try to avoid using mathmode texts in the titles of questions.)