From: Murray Sargent (murrays@exchange.microsoft.com)
Date: Thu Nov 06 2008 - 00:10:26 CST
For the vertical bar overlay, see U+20D2..U+20D3 and for the double vertical bar overlay see U+20E6. They are useful for mathematics as you suspect.
Murray
-----Original Message-----
From: unicode-bounce@unicode.org [mailto:unicode-bounce@unicode.org] On Behalf Of verdy_p
Sent: Wednesday, November 05, 2008 9:17 PM
To: Mark Davis; Unicode; UTC
Subject: Re: Mirrored ASCII
> De : "Mark Davis" <mark@macchiato.com>
> > The table of mappings that I used above is at:
> > http://spreadsheets.google.com/pub?key=pA-jnsSQQRcY3IFcweX3GOg I would
> > appreciate any feedback on better choices that I can incorporate into that
> > table. Some of the above above could definitely stand improvement:
> > especially the capitals K, P, L, and G, and lowercase t, k, g, and h. I also
> > need to add digits and common punctuation.
Some suggestions for the "pixel-mirrored" versions of:
- "G" : use a capital open O (U+0186) and short horizontal stroke overlay (U+0335)
- "g" : use a subscript 9 digit (U+2089)
- "h" : use a greek lambda "λ" (U+03BB)
- "K" : use a ">" and, either a combining vertical bar overlay (not encoded? see below), or two combining vertical
ticks above and below (U+02C8 U+02CC)
- "k" : same thing using a single guillemot right "›" (U+203A) instead of ">"
- "L" : use a box-drawing character (U+2518), or very low tone letter modifier (U+02E9)
- "P" : use a paragraph sign "¶" (U+00B6)
- "t" : use a lower half of integral (U+2321), and a combining short bar (U+0335)
I think it's strange that the vertical bar overlay (and the double vertical bar overlay) is not encoded at all as a
diacritic, when there are two horizontal stroke overlays and two oblique stroke overlays. I think it has
applications at least in mathematics symbols, and in some locally customized currency units. May be I have missed
it?
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