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Document that Braille patterns may require font overrides #198

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ssb22 opened this issue Aug 19, 2020 · 0 comments
Open

Document that Braille patterns may require font overrides #198

ssb22 opened this issue Aug 19, 2020 · 0 comments

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@ssb22
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ssb22 commented Aug 19, 2020

As discussed on cjbassi/ytop#79 the use of Braille patterns to plot graphs may require the terminal to be set to use a font like Symbola for that part of the Unicode range. Some other fonts also display the “off” dots (for example as empty circles)—Braille patterns are somewhat less useful for graph plotting if a font like that is selected. I'd like to propose that this be mentioned somewhere in the documentation so that developers using this library know they might have to warn their users that the Braille patterns might not show as intended, depending on one's choice of fonts. (See screenshots on the ytop issue linked above.)

The Braille Patterns block was originally designed for representing Braille, for example in books that teach sighted readers how to transcribe things into Braille. It was not originally designed just for graphical patterns. So it's understandable if some fonts show the “off” dots and others do not.

Thanks.

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