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Block-drawing characters in Firefox. WTF ?

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Dmitry Dvoinikov

Posts: 253
Nickname: targeted
Registered: Mar, 2006

Dmitry Dvoinikov is a software developer who believes that common sense is the best design guide
Block-drawing characters in Firefox. WTF ? Posted: Jun 30, 2008 5:17 AM
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Original Post: Block-drawing characters in Firefox. WTF ?
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Unicode defines a family of characters shaped like boxes of increasing height. Presumably useful for drawing diagrams in text. Something like this
x
xx
xxx
only fancier. The exact 8 characters in discussion have code points 0x2581-0x2588, and range from 1/8th to 8/8ths, i.e. full block. Here is a sample:
▁▂▃▄▅▆▇█
Now, correct me if I'm wrong, but those characters are only useful as soon as they are aligned with each other. You can't draw a diagram if one box is slightly offset - it turns out ugly. And so, can anyone tell why Firefox 2 renders the 4/8ths (half-block, code point 0x2584) and the 8/8ths (full block, code point 0x2588) shifted down a little ? Here, have a look:
This glitch makes it practically useless. WTF ?

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