Math Entities and Real Browsers

Math entities as defined for use with HTML and real browsers don't always work well together. I took a quick survey on the Doc-SIG in 2001, and am presenting the results here instead of letting the collected data rot in a text file in my working directory.

Of particular interest at the time were the entities ± (for the "plus or minus" sign, usually typeset as a little plus sign hovering over a little minus sign), and ∞ (the "infinity" sign; typeset as a lazy-eight).

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