there is another issue with these symbols -- they appear among the mathematical symbols but, in the reference given, they are used as delimiters
I know of no other application for these symbols other than as delimiters -- are they used as mathematical operators? and how, in general, would one define the properties for characters which may sometimes be operators, and sometimes be delimiters? /phil -------------------------------------------- On Wed, 10/8/16, Asmus Freytag (c) <[email protected]> wrote: Subject: Re: less-than or equal to with dot in the less-than part? To: [email protected] Date: Wednesday, 10 August, 2016, 4:16 PM On 8/10/2016 5:06 AM, Andrew West wrote: > On 10 August 2016 at 12:21, Costello, Roger L. <[email protected]> wrote: >> Do you know if there is another version of the symbol, but with a straight equals sign rather than a slanted equals sign? (The book that I referred to uses a straight equals sign not a slanted equals sign) > No, but there are lots of standardized variants for mathematical glyph > variants of this sort (see first section of > http://www.unicode.org/Public/UNIDATA/StandardizedVariants.txt), so > you could ask the UTC to define two more mathematical standardized > variants: > > 2A7F FE00; with straight equal; # LESS-THAN OR SLANTED EQUAL TO WITH DOT INSIDE > 2A80 FE00; with straight equal; # GREATER-THAN OR SLANTED EQUAL TO > WITH DOT INSIDE > > Then all you would need is to get someone to support the new > standardized variants in a math font. > Unicode does not use standardized variants for that particular distinctions in the undotted part of that family of symbols. A./

