Punctuation and Glyphs — CSS Wizardry — CSS, Web Standards, Typography and Grids
http://csswizardry.com/toybox/punctuation-glyphs/

When it comes to typography on the web, there seens to be very little proper use or variation of particular glyphs and punctuation marks. For example, an abundant use of three periods (...) for an ellipsis instead of … (…), or - in place of — (—).

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