[XeTeX] Re: maths delimiter design

Peter Dyballa Peter_Dyballa at Web.DE
Fri Nov 25 12:27:53 CET 2005

Am 25.11.2005 um 04:16 schrieb Will Robertson:

> "x+y+z" in maths mode?
> Are we going to have to make every letter math-active?
> Or, now that I just think of it, will font mappings come to our rescue?

x, y, and z are no math symbols, they are, seldomly, used in a math 
context, in which some programmes tend to 'emphasise' them 
artificially. + is some US-ASCII character too. (If you want to have 
the same emphasised look of your copy you need some extra work to add.)

Ross thought of the Unicode blocks starting at U+2150 or at U+27C0, 
i.e. Number Forms, Arrows, Mathematical Operators, Miscellaneous Math 
Symbols-A, Supplemental Arrows-A, Supplemental Arrows-B, Miscellaneous 
Math Symbols-B, Miscellaneous Math Operators, for example ∅, √, ∫, ≈, 
≰, ...



A common mistake that people make when trying to design something 
completely foolproof is to underestimate the ingenuity of complete 

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