On 3/11/2016 9:37 AM, Oren Watson wrote:
Ok, so let me see if I understand this correctly. Suppose I'm writing
a editor for math equations, and I want the user to be able to press a
"Doublestruck" button and then type an C or D to get a ℂ or 𝔻
respectively. There is apparently no official source containing a
machine-readable table of the doublestruck equivalents of each
character that has such an equivalent. Such a table might also include
{ -> ⦃ and such.
This seems like something that would be very convenient to have
centralized and standardized.
O.k., it is taking more time to talk about this than to just make the lists.
See attached list, which took about 5 minutes to cull.
That lists the 24 "unifications" mentioned on page 7 of UTR #25, Unicode
Support for Mathematics:
http://www.unicode.org/reports/tr25/
It matches the 24 explicit cross-references listed in the Unicode names
list.
If the ability to pull out such a list and make it "machine-readable" in
a few minutes
doesn't suffice, and you need something which counts as a more "official
source", then the best way forward would be to engage with the UTC during
the next update cycle for UTR #25, when its associated data table needs
to be checked for the 9.0 repertoire additions, and advocate that some
further documentation
be made explicitly for those 24 mappings.
BTW, all 24 *are* already present in MathClassEx-14.txt:
http://www.unicode.org/Public/math/revision-14/MathClassEx-14.txt
as commented-out entry lines. So an even faster way to get a centralized
(if not "official") list, is to take MathClassEx-14.txt and
% grep #1D MathClassEx-14.txt | grep reserved > maplistout.txt
See also attached.
As for starting down the road of suggesting additional equivalences,
e.g. for
double-struck parentheses, that is certainly something somebody could do,
and might be interesting content to add to UTR #25 -- but it goes beyond the
formal unification issue for the 24 mathematical alphabet letters already
encoded in the 2100 block.
--Ken
1D455 ; 210E # planck constant
1D49D ; 212C # script capital b
1D4A0 ; 2130 # script capital e
1D4A1 ; 2131 # script capital f
1D4A3 ; 210B # script capital h
1D4A4 ; 2110 # script capital i
1D4A7 ; 2112 # script capital l
1D4A8 ; 2133 # script capital m
1D4AD ; 211B # script capital r
1D4BA ; 212F # script small e
1D4BC ; 210A # script small g
1D4C4 ; 2134 # script small o
1D506 ; 212D # black-letter capital c
1D50B ; 210C # black-letter capital h
1D50C ; 2111 # black-letter capital i
1D515 ; 211C # black-letter capital r
1D51D ; 2128 # black-letter capital z
1D53A ; 2102 # double-struck capital c
1D53F ; 210D # double-struck capital h
1D545 ; 2115 # double-struck capital n
1D547 ; 2119 # double-struck capital p
1D548 ; 211A # double-struck capital q
1D549 ; 211D # double-struck capital r
1D551 ; 2124 # double-struck capital z
#1D455=210E;N;;;;;ITALIC SMALL H <reserved>
#1D49D=212C;A;;Bscr;ISOMSCR;;SCRIPT CAPITAL B <reserved>
#1D4A0=2130;A;;Escr;ISOMSCR;;SCRIPT CAPITAL E <reserved>
#1D4A1=2131;A;;Fscr;ISOMSCR;;SCRIPT CAPITAL F <reserved>
#1D4A3=210B;A;;Hscr;ISOMSCR;;SCRIPT CAPITAL H <reserved>
#1D4A4=2110;A;;Iscr;ISOMSCR;;SCRIPT CAPITAL I <reserved>
#1D4A7=2112;A;;Lscr;ISOMSCR;;SCRIPT CAPITAL L <reserved>
#1D4A8=2133;A;;Mscr;ISOMSCR;;SCRIPT CAPITAL M <reserved>
#1D4AD=211B;A;;Rscr;ISOMSCR;;SCRIPT CAPITAL R <reserved>
#1D4BA=212F;A;;escr;ISOMSCR;;SCRIPT SMALL E <reserved>
#1D4BC=210A;A;;gscr;ISOMSCR;;SCRIPT SMALL G <reserved>
#1D4C4=2134;A;;oscr;ISOMSCR;;SCRIPT SMALL O <reserved>
#1D506=212D;A;;Cfr;ISOMFRK;;FRAKTUR CAPITAL C <reserved>
#1D50B=210C;A;;Hfr;ISOMFRK;;FRAKTUR CAPITAL H <reserved>
#1D50C=2111;A;;Ifr;ISOMFRK;;FRAKTUR CAPITAL I <reserved>
#1D515=211C;A;;Rfr;ISOMFRK;;FRAKTUR CAPITAL R <reserved>
#1D51D=2128;A;;Zfr;ISOMFRK;;FRAKTUR CAPITAL Z <reserved>
#1D53A=2102;A;;Copf;ISOMOPF;;DOUBLE-STRUCK CAPITAL C <reserved>
#1D53F=210D;A;;Hopf;ISOMOPF;;DOUBLE-STRUCK CAPITAL H <reserved>
#1D545=2115;A;;Nopf;ISOMOPF;;DOUBLE-STRUCK CAPITAL N <reserved>
#1D547=2119;A;;Popf;ISOMOPF;;DOUBLE-STRUCK CAPITAL P <reserved>
#1D548=211A;A;;Qopf;ISOMOPF;;DOUBLE-STRUCK CAPITAL Q <reserved>
#1D549=211D;A;;Ropf;ISOMOPF;;DOUBLE-STRUCK CAPITAL R <reserved>
#1D551=2124;A;;Zopf;ISOMOPF;;DOUBLE-STRUCK CAPITAL Z <reserved>
