What are the HTML entity character codes for this up arrow (▲) and its downward-facing dog version (▼) ?
I've been using GIFs to represent these arrows since I don't know their codes.
Answer
I usually use the excellent Gucharmap to look up Unicode characters. It's installed on all recent Linux installations with Gnome under the name "Character Map". I don't know of any equivalent tools for Windows or Mac OS X, but its homepage lists a few.
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