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**To**:*ion@ams.org, vieth@thphy.uni-duesseldorf.de, thierry.bouche@ujf-grenoble.fr, taco.hoekwater@wkap.nl, pault@mathtype.com, bnb@ams.org, n.poppelier@elsevier.nl, rey@ams.org***Subject**:**Springer-Verlag's comments on STIX****From**:*Joerg Knappen <KNAPPEN@ALPHA.NTP.SPRINGER.DE>***Date**: Fri, 07 Aug 1998 13:25:59 +0000 (CE)- Content-Length: 5533

Here are the comments from Springer-Verlag on STIX. It took me some time to recherche all the information. I hope the comments are helpfull to the STIX efforts. Yours, J"org Knappen Electronic Technologies Springer-Verlag Heidelberg Tiergartenstrasse 17 D-69121 Heidelberg The following characters have special Springer-Verlag TeX names. The names predate probably the AMS font distributions. The names and Unicode values are taken from stix-tbl.asc26MR98. Springer AMS STIX Unicode \grole \gtrless gl 2277 \leogr \lessgtr lg 2276 \ga \gtrsim gsim 2273 \la \lesssim lsim 2272 \cor wedgeq 2259 \gid \geqq gE 2267 \lid \leqq lE 2266 \sog simg E30C \sol siml E30B \gse gsime E334 \lse lsime E333 \goa \gtrapprox gap E2F4 \loa \lessapprox lap E2F8 \getsto \leftrightarrows larr 21C6 \sun 2609 \degree deg 00B0 \diameter 2300 \sq \square square 25A1 \fd dotday EA2C \fh dothour EA2D \fm dotmin EA2E \fs dotsec EA30 \fp dotper EA2F \arcmin prime 2032 \farcmin arcmin EA04 \arcsec Prime 2033 \farcsec arcsec EA06 \bbbc Copf 2102 \bbbf Fopf E505 \bbbh Hopf 2100 \bbbk Kopf E50A \bbbm Mopf E50C \bbbn Nopf 2115 \bbbp Popf 2119 \bbbr Ropf 211D \bbbt Topf E513 \bbbs Sopf E512 \bbbz Zopf 2124 \bbbone \bbone opf1 E803 The following ones used as SGML entities: &dotb; 0323 C. dot below ¨b; 0324 C. umlaut below &breveb; 032E C. breve below &lineb; 0331 C. macron below &envelop; 2709 Envelope More characters, needed by Springer-Verlag a) Mathematical and scientific symbols: Name Type Description \dsold B Dot-Slash-Dot, \textdiscount of LaTeX2e package textcomp \windschief B Straight rising line crossing falling broken line Meaning: skew (of two lines), see e. g. Dubbel, Taschenbuch fuer den Maschinenbau, 19th printing, page A-27. \Slashint L Integral with two slashes (Hermite-Integral) \boxbar B Vertical Bar in Box (in TeX's stmaryrd font) \boxbox B Box in Box (in TeX's stmaryrd font) \oddot - Two dots in circle, botanical: bi-annual b) Geometric shapes The geometric shapes have no special names (yet). We distinguish different fill patterns, -- dense (usually shown as five lines in a square), this is the one used in the UNicode standard -- sparse (usually shown as three lines in a square) -- bold (black and white lines are of the same width, usually three white and two black lines) In addition to the shapes already in UNicode, we also use the following ones: Group 1: Squares Square with sparse upper right to lower left fill Square with sparse upper left to lower right fill Square with sparse diagonal crosshatch Square with bold horizontal fill Square with bold vertical fill Square with light gray shading Square with medium gray shading Square with dark grey shading Group 2: Rightangles Rightangle with upper right to lower left fill Rightangle with upper left to lower right fill Rightangle with sparse upper right to lower left fill Rightangle with sparse upper left to lower right fill Rightangle with bold upper right to lower left fill Rightangle with bold upper left to lower right fill Rightangle with horizontal fill Rightangle with sparse horizontal fill Rightangle with light grey shading Rightangle with medium grey shading Rightangle with dark grey shading Group 3: Circles Circle with horizontal fill Circle with vertical fill Circle with diagonal crosshatch Group 4: Symbols on a horizontal line Those symbols are placed on a horizontal line such that this line is partially covered by the symbol, e. g. diamond on a horizontal line looks like the following ASCII graphic: -<>- Black up-pointing triangle on a horzontal line Black down-pointing triangle on a horzontal line Black square on a horizontal line Square on a horizontal line Black circle on a horizontal line Circle on a horizontal line Black diamond on a horizontal line Diamond on a horizontal line Hourglass on a horizontal line Times on a horizontal line Some comments: 1) On Alphabetics -- Fraktur It is not clear wheather 𝔰 is a short s or a long s. I propose the following solution (the sharp s is in there only for completeness, the long s can occur in old style math indentifiers): sfr Fraktur short s longsfr Fraktur long s szligfr Fraktur sharp s 2) On ``not partial differential'' (npart, E390, Table 27) Can someone give more information on this symbol? It looks like a mistake to me. It does indeed occur quite frequently with the meaning ``partial with Dirac slash'', but than a whole latin alphabet A-Za-z with Dirac slash is needed as well as a small greek epsilon with Dirac slash. On the other hand, my feeling is that Dirac slash is treated as a diacritical mark within UNicode. 3) On Astronomical symbols Shall the symbols for the four major asteroids be added? Ceres Juno Pallas Vesta 4) On Zapf Dingbats The UNicode standard covers the Zapf Dingbats completely. However, there is a strange anomaly: All arrows and arrow-like symbols are right-pointing only. This is fine for a postscript font, since postscript can rotate and reflect characters. Other technologies (like SGML, HTML etc.) cannot. Therefore all mirror images should be added to UNicode. A named entity set for the Zapf Dingbats (tentative name: ISOZAPFD) is also nice to have. --J"org Knappen

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