Web Tooltip “universally accepted” linebreak character?

Question

I use \\n to create a linebreak in web tooltip. This works in IE and in Chrome. But Firefox ignores it.

What will work universally as linebreak character in tooltip?

Answer 1

Update: This has been cleared up in HTML5 using the title attribute. Now Firefox 12 supports it. Try this:

Test

Bad news: Firefox does not line break tooltips. This is actually a non-standard html extension, ie a bug in MSIE that may cause problem with certain pages.

See this bug on the firefox issue tracker.