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+FONTLOG
+STIX Two font family
+========================
+
+This file provides detailed information on the STIX Two family of
+fonts.  This information should be distributed along with the STIX Two
+fonts and any derivative works.
+
+Please direct any questions or general comments to the STIX Fonts
+project.  Bug reports and technical support issues should be submitted
+through
+
+    https://github.com/stipub/stixfonts
+
+where you can also find a list of known issues.
+
+Basic Font Information
+----------------------
+
+INTRODUCTION
+
+The Scientific and Technical Information eXchange (STIX) fonts are
+intended to satisfy the demanding needs of authors, publishers,
+printers, and others working in the scientific, medical, and technical
+fields.  They combine a comprehensive Unicode-based collection of
+mathematical symbols and alphabets with a set of text faces suitable
+for professional publishing.  The fonts are available royalty-free
+under the SIL Open Font License.
+
+Version 2.0.0 of the STIX fonts, now known as "STIX Two", is a
+thorough revision undertaken by the renowned type house Tiro Typeworks
+Ltd. (https://www.tiro.com).  The STIX Two fonts consist of one Math
+font, two variable text fonts (STIXTwoTextVF-Roman and
+STIXTwoTextVF-Italic), and eight static text fonts (Regular, Italic,
+Medium, Medium Italic, SemiBold, SemiBold Italic, Bold, and Bold
+Italic) derived from the variable fonts.  Together, they provide a
+uniform set of fonts that can be used throughout the production
+process, whether that be a traditional print-only process, an entirely
+electronic one, or a combination of the two.
+
+The STIX project began through the joint efforts of American
+Mathematical Society (AMS), American Institute of Physics (AIP),
+American Physical Society (APS), American Chemical Society (ACS),
+Institute of Electrical and Electronic Engineers (IEEE), and Elsevier.
+These companies are collectively known as the STI Pub companies.
+
+A FRESH TAKE ON TIMES ROMAN
+
+The original version of STIX was based on Times Roman, which has now
+been updated for the digital age.
+
+As is well known, Times Roman was originally intended for printing the
+London Times.  What is not generally appreciated is that the
+production quality of the *Times* was atypically high: It was printed
+on unusually high-quality paper on presses that operated more slowly
+than most newspaper presses.  This allowed for the design of a
+typeface that could exploit this level of care: serifs could be much
+finer and counters (enclosed areas such as that in the lowercase e)
+could be much smaller than in other newspaper typefaces.  These
+features of the font have not always fared well in less exacting
+environments.  At the same time, a notable quirk of the Times Roman
+family is that the bold font is, in many respects, strikingly
+dissimilar to the roman font.
+
+Tiro Typeworks explain their approach to updating the Times Roman
+basis of STIX as follows:
+
+    "Our principal goal in approaching STIX Two was to address several
+    inherent deficiencies in the Times New Roman model as well as
+    expand the typographic features.  This process necessarily
+    involved diverging somewhat from Times, given that many features
+    of that typeface are either incompatible with current printing
+    methods and electronic reading environments, and some others too
+    esoteric to repeat.  That said, the essential 'Times-ness'
+    remains, we believe, and such changes won't distract readers and
+    users in any negative way.
+
+    "At the core of Times' problems was inappropriate digitization,
+    using an optical size model too large to be scaled down to text
+    sizes, with compensations appropriate to its original purpose and
+    printing technique, but not for 21st century conditions.  We have
+    also re-thought somewhat overall proportions and spacing, with
+    changes made in varying degrees to both the Roman and the Italic
+    (and we have begun to harmonize the Bold, which has always been a
+    major shortcoming with Times New Roman)."
+
+ChangeLog
+---------
+
+13 January 2021, STIX Two, version 2.11
+
+* Changed "Semibold" to "SemiBold" in all font and file names.
+
+* Fixed various technical issues required for compatibility with the
+  Google Fonts platform.  There were no changes to font metrics or
+  glyph shapes.
+
+-----------------------------------
+
+18 December 2020, STIX Two, version 2.10
+
+For compatibility with the internal major/minor versioning convention
+used by the OpenType font format, the public version number was
+switched from the three-part semantic versioning convention to a
+two-part number.
+
+All non-variable fonts are now available in both OTF and TTF formats.
+
+The WOFF format is no longer distributed.
+
+COMPATIBILITY BETWEEN 2.0.2 AND 2.10
+
+There have been extensive changes to both glyph shapes and font
+metrics in this release.  These could affect the layout of documents
+prepared with previous versions of these fonts.
+
+UPDATES TO MATH AND TEXT FONTS
+
+The following changes apply to both the text and math fonts:
+
+* Removed the Macintosh platform entries from the name table as they
+  are now considered obsolete.
+
+* Completed U+2100..214F Letterlike Symbols by adding
+
+  U+2100 ACCOUNT OF
+  U+2101 ADDRESSED TO THE SUBJECT
+  U+2103 DEGREE CELSIUS
+  U+2104 CENTRE LINE SYMBOL
+  U+2106 CADA UNA
+  U+2108 SCRUPLE
+  U+2109 DEGREE FAHRENHEIT
+
+  U+2114 L B BAR SYMBOL
+  U+211F RESPONSE
+
+  U+2120 SERVICE MARK
+  U+2121 TELEPHONE SIGN
+  U+2123 VERSICLE
+  U+212A KELVIN SIGN
+
+  U+2139 INFORMATION SOURCE
+  U+213A ROTATED CAPITAL Q
+  U+213B ROTATED CAPITAL Q
+
+  U+214C PER SIGN
+  U+214D AKTIESELSKAB
+  U+214E TURNED SMALL F
+  U+214F SYMBOL FOR SAMARITAN SOURCE
+
+* Extended U+2000..206F General Punctuation by adding
+
+  U+2000 EN QUAD
+  U+2001 EM QUAD
+  U+2002 EN SPACE
+  U+2003 EM SPACE
+  U+2004 THREE-PER-EM SPACE
+  U+2005 FOUR-PER-EM SPACE
+  U+2006 SIX-PER-EM SPACE
+  U+2007 FIGURE SPACE
+  U+2008 PUNCTUATION SPACE
+  U+2009 THIN SPACE
+  U+200A HAIR SPACE
+  U+200B ZERO WIDTH SPACE
+  U+200C ZERO WIDTH NON-JOINER
+  U+200D ZERO WIDTH JOINER
+  U+202F NARROW NO-BREAK SPACE
+
+  In addition, U+2026 HORIZONTAL ELLIPSIS was redrawn.
+
+UPDATES TO TEXT FONTS
+
+* 2.10 includes OpenType variable font builds for the Text fonts
+  (STIXTwoTextVF-Roman.ttf and STIXTwoTextVF-Italic.ttf). For more
+  information about variable fonts see:
+
+      https://medium.com/variable-fonts/https-medium-com-tiro-introducing-opentype-variable-fonts-12ba6cd2369
+
+  The STIX Two Text variable fonts support a weight interpolation axis
+  between the regular and bold weights, with named instances for
+  medium and semibold.  New static fonts for these instances are
+  derived from the variable fonts.  Development of the variable fonts
+  was funded by Google Fonts.
+
+* New static weights: Medium and Semibold
+
+* Add anchor mark-to-base and mark-to-mark positioning for Unicode
+  combining mark characters,  to provide positioning for arbitrary
+  diacritic marks
+
+UPDATES TO MATH FONT
+
+* Added lowercase chancery script set to correspond to new default
+  uppercase script style (U+1D4B6..1D4CF, U+212F, U+U+210A, U+2134).
+  Mapped existing roundhand glyphs to Stylistic Set 1 (ss01).
+
+* Added bold chancery script characters (U+1D4D0..U+1D503), also
+  activated by Stylistic Set 1 (ss01).
+
+* Refined/replaced existing roundhand script style variant glyphs,
+  presuming that these may be preferred by some users to the new
+  chancery default.
+
+* Extended set of 'ssty' super- and subscript scaling variants.
+
+* Restored STIX 1 Italic Double Struck mathematical alphabet (PUA
+  U+E154..E17B, U+E1B4..E1BB).
+
+* Restored STIX 1 Greek Sans Serif Italic mathematical alphabet (PUA
+  U+E1BE..E1F5).
+
+* Completed U+2300..U+23FF Unicode Miscellaneous Technical by adding
+
+  U+2301 ELECTRIC ARROW
+  U+2303 UP ARROWHEAD
+  U+2304 DOWN ARROWHEAD
+  U+2307 WAVY LINE
+  U+2314 SECTOR
+  U+231B HOURGLASS
+  U+2324 UP ARROWHEAD BETWEEN TWO HORIZONTAL BARS
+  U+2325 OPTION KEY
+  U+2326 ERASE TO THE RIGHT
+  U+2327 X IN A RECTANGLE BOX
+  U+2328 KEYBOARD
+  U+232B ERASE TO THE LEFT
+  U+232F SYMMETRY
+  U+2330 TOTAL RUNOUT
+  U+2331 DIMENSION ORIGIN
+  U+2333 SLOPE
+  U+2334 COUNTERBORE
+  U+2335 COUNTERSINK
+  U+233B APL FUNCTIONAL SYMBOL QUAD JOT
+  U+233C APL FUNCTIONAL SYMBOL QUAD CIRCLE
+  U+2343 APL FUNCTIONAL SYMBOL QUAD LESS-THAN
+  U+2344 APL FUNCTIONAL SYMBOL QUAD GREATER-THAN
+  U+2345 APL FUNCTIONAL SYMBOL LEFTWARDS VANE
+  U+2346 APL FUNCTIONAL SYMBOL RIGHTWARDS VANE
+  U+234A APL FUNCTIONAL SYMBOL DOWN TACK UNDERBAR
+  U+234C APL FUNCTIONAL SYMBOL QUAD DOWN CARET
+  U+234D APL FUNCTIONAL SYMBOL QUAD DELTA
+  U+234F APL FUNCTIONAL SYMBOL UPWARDS VANE
+  U+2351 APL FUNCTIONAL SYMBOL UP TACK OVERBAR
+  U+2354 APL FUNCTIONAL SYMBOL QUAD DEL
+  U+2356 APL FUNCTIONAL SYMBOL DOWNWARDS VANE
+  U+2358 APL FUNCTIONAL SYMBOL QUOTE UNDERBAR
+  U+235A APL FUNCTIONAL SYMBOL DIAMOND UNDERBAR
+  U+235B APL FUNCTIONAL SYMBOL JOT UNDERBAR
+  U+235C APL FUNCTIONAL SYMBOL CIRCLE UNDERBAR
+  U+2361 APL FUNCTIONAL SYMBOL UP TACK DIAERESIS
+  U+2362 APL FUNCTIONAL SYMBOL DEL DIAERESIS
+  U+2367 APL FUNCTIONAL SYMBOL LEFT SHOE STILE
+  U+2369 APL FUNCTIONAL SYMBOL GREATER-THAN DIAERESIS
+  U+236E APL FUNCTIONAL SYMBOL SEMICOLON UNDERBAR
+  U+236F APL FUNCTIONAL SYMBOL QUAD NOT EQUAL
+  U+2376 APL FUNCTIONAL SYMBOL ALPHA UNDERBAR
+  U+2379 APL FUNCTIONAL SYMBOL OMEGA UNDERBAR
+  U+237B NOT CHECK MARK
+  U+237D SHOULDERED OPEN BOX
+  U+237E BELL SYMBOL
+  U+237F VERTICAL LINE WITH MIDDLE DOT
+  U+2380 INSERTION SYMBOL
+  U+2381 CONTINUOUS UNDERLINE SYMBOL
+  U+2382 DISCONTINUOUS UNDERLINE SYMBOL
+  U+2383 EMPHASIS SYMBOL
+  U+2384 COMPOSITION SYMBOL
+  U+2385 WHITE SQUARE WITH CENTRE VERTICAL LINE
+  U+2386 ENTER SYMBOL
+  U+2387 ALTERNATIVE KEY SYMBOL
+  U+2388 HELM SYMBOL
+  U+2389 CIRCLED HORIZONTAL BAR WITH NOTCH
+  U+238A CIRCLED TRIANGLE DOWN
+  U+238B BROKEN CIRCLE WITH NORTHWEST ARROW
+  U+238C UNDO SYMBOL
+  U+238D MONOSTABLE SYMBOL
+  U+238E HYSTERESIS SYMBOL
+  U+238F OPEN-CIRCUIT-OUTPUT H-TYPE SYMBOL
+  U+2390 OPEN-CIRCUIT-OUTPUT L-TYPE SYMBOL
+  U+2391 PASSIVE-PULL-DOWN-OUTPUT SYMBOL
+  U+2392 PASSIVE-PULL-UP-OUTPUT SYMBOL
+  U+2396 DECIMAL SEPARATOR KEY SYMBOL
+  U+2397 PREVIOUS PAGE
+  U+2398 NEXT PAGE
+  U+2399 PRINT SCREEN SYMBOL
+  U+239A CLEAR SCREEN SYMBOL
+  U+23BA HORIZONTAL SCAN LINE-1
+  U+23BB HORIZONTAL SCAN LINE-3
+  U+23BC HORIZONTAL SCAN LINE-7
+  U+23BD HORIZONTAL SCAN LINE-9
+  U+23BE DENTISTRY SYMBOL LIGHT VERTICAL AND TOP RIGHT
+  U+23BF DENTISTRY SYMBOL LIGHT VERTICAL AND BOTTOM RIGHT
+  U+23C0 DENTISTRY SYMBOL LIGHT VERTICAL WITH CIRCLE
+  U+23C1 DENTISTRY SYMBOL LIGHT DOWN AND HORIZONTAL WITH CIRCLE
+  U+23C2 DENTISTRY SYMBOL LIGHT UP AND HORIZONTAL WITH CIRCLE
+  U+23C3 DENTISTRY SYMBOL LIGHT VERTICAL WITH TRIANGLE
+  U+23C4 DENTISTRY SYMBOL LIGHT DOWN AND HORIZONTAL WITH TRIANGLE
+  U+23C5 DENTISTRY SYMBOL LIGHT UP AND HORIZONTAL WITH TRIANGLE
+  U+23C6 DENTISTRY SYMBOL LIGHT VERTICAL AND WAVE
+  U+23C7 DENTISTRY SYMBOL LIGHT DOWN AND HORIZONTAL WITH WAVE
+  U+23C8 DENTISTRY SYMBOL LIGHT UP AND HORIZONTAL WITH WAVE
+  U+23C9 DENTISTRY SYMBOL LIGHT DOWN AND HORIZONTAL
+  U+23CA DENTISTRY SYMBOL LIGHT UP AND HORIZONTAL
+  U+23CB DENTISTRY SYMBOL LIGHT VERTICAL AND TOP LEFT
+  U+23CC DENTISTRY SYMBOL LIGHT VERTICAL AND BOTTOM LEFT
+  U+23CD SQUARE FOOT
+  U+23CF EJECT SYMBOL
+  U+23D1 METRICAL BREVE
+  U+23D2 METRICAL LONG OVER SHORT
+  U+23D3 METRICAL SHORT OVER LONG
+  U+23D4 METRICAL LONG OVER TWO SHORTS
+  U+23D5 METRICAL TWO SHORTS OVER LONG
+  U+23D6 METRICAL TWO SHORTS JOINED
+  U+23D7 METRICAL TRISEME
+  U+23D8 METRICAL TETRASEME
+  U+23D9 METRICAL PENTASEME
+  U+23DA EARTH GROUND
+  U+23DB FUSE
+  U+23E8 DECIMAL EXPONENT SYMBOL
+  U+23E9 BLACK RIGHT-POINTING DOUBLE TRIANGLE
+  U+23EA BLACK LEFT-POINTING DOUBLE TRIANGLE
+  U+23EB BLACK UP-POINTING DOUBLE TRIANGLE
+  U+23EC BLACK DOWN-POINTING DOUBLE TRIANGLE
+  U+23ED BLACK RIGHT-POINTING DOUBLE TRIANGLE WITH VERTICAL BAR
+  U+23EE BLACK LEFT-POINTING DOUBLE TRIANGLE WITH VERTICAL BAR
+  U+23EF BLACK RIGHT-POINTING TRIANGLE WITH DOUBLE VERTICAL BAR
+  U+23F0 ALARM CLOCK
+  U+23F1 STOPWATCH
+  U+23F2 TIMER CLOCK
+  U+23F3 HOURGLASS WITH FLOWING SAND
+  U+23F4 BLACK MEDIUM LEFT-POINTING TRIANGLE
+  U+23F5 BLACK MEDIUM RIGHT-POINTING TRIANGLE
+  U+23F6 BLACK MEDIUM UP-POINTING TRIANGLE
+  U+23F7 BLACK MEDIUM DOWN-POINTING TRIANGLE
+  U+23F8 DOUBLE VERTICAL BAR
+  U+23F9 BLACK SQUARE FOR STOP
+  U+23FA BLACK CIRCLE FOR RECORD
+  U+23FB POWER SYMBOL
+  U+23FC POWER ON-OFF SYMBOL
+  U+23FD POWER ON SYMBOL
+  U+23FE POWER SLEEP SYMBOL
+  U+23FF OBSERVER EYE SYMBOL
+
+* Completed U+2600..U+26FF Unicode Miscellaneous Symbols by adding
+
+  U+2600 BLACK SUN WITH RAYS
+  U+2601 CLOUD
+  U+2602 UMBRELLA
+  U+2603 SNOWMAN
+  U+2604 COMET
+  U+2607 LIGHTNING
+  U+2608 THUNDERSTORM
+  U+260A ASCENDING NODE
+  U+260B DESCENDING NODE
+  U+260D OPPOSITION
+  U+260F WHITE TELEPHONE
+  U+2610 BALLOT BOX
+  U+2611 BALLOT BOX WITH CHECK
+  U+2613 SALTIRE
+  U+2614 UMBRELLA WITH RAIN DROPS
+  U+2615 HOT BEVERAGE
+  U+2616 WHITE SHOGI PIECE
+  U+2617 BLACK SHOGI PIECE
+  U+2618 SHAMROCK
+  U+2619 REVERSED ROTATED FLORAL HEART BULLET
+  U+261A BLACK LEFT POINTING INDEX
+  U+261B BLACK RIGHT POINTING INDEX
+  U+261C WHITE LEFT POINTING INDEX
+  U+261D WHITE UP POINTING INDEX
+  U+261E WHITE RIGHT POINTING INDEX
+  U+261F WHITE DOWN POINTING INDEX
+  U+2620 SKULL AND CROSSBONES
+  U+2622 RADIOACTIVE SIGN
+  U+2623 BIOHAZARD SIGN
+  U+2624 CADUCEUS
+  U+2625 ANKH
+  U+2626 ORTHODOX CROSS
+  U+2627 CHI RHO
+  U+2628 CROSS OF LORRAINE
+  U+2629 CROSS OF JERUSALEM
+  U+262A STAR AND CRESCENT
+  U+262B FARSI SYMBOL
+  U+262C ADI SHAKTI
+  U+262D HAMMER AND SICKLE
+  U+262E PEACE SYMBOL
+  U+262F YIN YANG
+  U+2630 TRIGRAM FOR HEAVEN
+  U+2631 TRIGRAM FOR LAKE
+  U+2632 TRIGRAM FOR FIRE
+  U+2633 TRIGRAM FOR THUNDER
+  U+2634 TRIGRAM FOR WIND
+  U+2635 TRIGRAM FOR WATER
+  U+2636 TRIGRAM FOR MOUNTAIN
+  U+2637 TRIGRAM FOR EARTH
+  U+2638 WHEEL OF DHARMA
+  U+2645 URANUS
+  U+264A GEMINI
+  U+264B CANCER
+  U+264C LEO
+  U+264D VIRGO
+  U+264E LIBRA
+  U+264F SCORPIUS
+  U+2650 SAGITTARIUS
+  U+2651 CAPRICORN
+  U+2652 AQUARIUS
+  U+2653 PISCES
+  U+2654 WHITE CHESS KING
+  U+2655 WHITE CHESS QUEEN
+  U+2656 WHITE CHESS ROOK
+  U+2657 WHITE CHESS BISHOP
+  U+2658 WHITE CHESS KNIGHT
+  U+2659 WHITE CHESS PAWN
+  U+265A BLACK CHESS KING
+  U+265B BLACK CHESS QUEEN
+  U+265C BLACK CHESS ROOK
+  U+265D BLACK CHESS BISHOP
+  U+265E BLACK CHESS KNIGHT
+  U+265F BLACK CHESS PAWN
+  U+2668 HOT SPRINGS
+  U+266C BEAMED SIXTEENTH NOTES
+  U+2670 WEST SYRIAC CROSS
+  U+2671 EAST SYRIAC CROSS
+  U+2672 UNIVERSAL RECYCLING SYMBOL
+  U+2673 RECYCLING SYMBOL FOR TYPE-1 PLASTICS
+  U+2674 RECYCLING SYMBOL FOR TYPE-2 PLASTICS
+  U+2675 RECYCLING SYMBOL FOR TYPE-3 PLASTICS
+  U+2676 RECYCLING SYMBOL FOR TYPE-4 PLASTICS
+  U+2677 RECYCLING SYMBOL FOR TYPE-5 PLASTICS
+  U+2678 RECYCLING SYMBOL FOR TYPE-6 PLASTICS
+  U+2679 RECYCLING SYMBOL FOR TYPE-7 PLASTICS
+  U+267A RECYCLING SYMBOL FOR GENERIC MATERIALS
+  U+267B BLACK UNIVERSAL RECYCLING SYMBOL
+  U+267C RECYCLED PAPER SYMBOL
+  U+267D PARTIALLY-RECYCLED PAPER SYMBOL
+  U+267F WHEELCHAIR SYMBOL
+  U+268A MONOGRAM FOR YANG
+  U+268B MONOGRAM FOR YIN
+  U+268C DIGRAM FOR GREATER YANG
+  U+268D DIGRAM FOR LESSER YIN
+  U+268E DIGRAM FOR LESSER YANG
+  U+268F DIGRAM FOR GREATER YIN
+  U+2690 WHITE FLAG
+  U+2691 BLACK FLAG
+  U+2692 HAMMER AND PICK
+  U+2693 ANCHOR
+  U+2694 CROSSED SWORDS
+  U+2695 STAFF OF AESCULAPIUS
+  U+2696 SCALES
+  U+2697 ALEMBIC
+  U+2698 FLOWER
+  U+2699 GEAR
+  U+269A STAFF OF HERMES
+  U+269B ATOM SYMBOL
+  U+269C FLEUR-DE-LIS
+  U+269D OUTLINED WHITE STAR
+  U+269E THREE LINES CONVERGING RIGHT
+  U+269F THREE LINES CONVERGING LEFT
+  U+26A1 HIGH VOLTAGE SIGN
+  U+26A2 DOUBLED FEMALE SIGN
+  U+26A3 DOUBLED MALE SIGN
+  U+26A4 INTERLOCKED FEMALE AND MALE SIGN
+  U+26A6 MALE WITH STROKE SIGN
+  U+26A7 MALE WITH STROKE AND MALE AND FEMALE SIGN
+  U+26A8 VERTICAL MALE WITH STROKE SIGN
+  U+26A9 HORIZONTAL MALE WITH STROKE SIGN
+  U+26AD MARRIAGE SYMBOL
+  U+26AE DIVORCE SYMBOL
+  U+26AF UNMARRIED PARTNERSHIP SYMBOL
+  U+26B0 COFFIN
+  U+26B1 FUNERAL URN
+  U+26B3 CERES
+  U+26B4 PALLAS
+  U+26B5 JUNO
+  U+26B6 VESTA
+  U+26B7 CHIRON
+  U+26B8 BLACK MOON LILITH
+  U+26B9 SEXTILE
+  U+26BA SEMISEXTILE
+  U+26BB QUINCUNX
+  U+26BC SESQUIQUADRATE
+  U+26BD SOCCER BALL
+  U+26BE BASEBALL
+  U+26BF SQUARED KEY
+  U+26C0 WHITE DRAUGHTS MAN
+  U+26C1 WHITE DRAUGHTS KING
+  U+26C2 BLACK DRAUGHTS MAN
+  U+26C3 BLACK DRAUGHTS KING
+  U+26C4 SNOWMAN WITHOUT SNOW
+  U+26C5 SUN BEHIND CLOUD
+  U+26C6 RAIN
+  U+26C7 BLACK SNOWMAN
+  U+26C8 THUNDER CLOUD AND RAIN
+  U+26C9 TURNED WHITE SHOGI PIECE
+  U+26CA TURNED BLACK SHOGI PIECE
+  U+26CB WHITE DIAMOND IN SQUARE
+  U+26CC CROSSING LANES
+  U+26CD DISABLED CAR
+  U+26CE OPHIUCHUS
+  U+26CF PICK
+  U+26D0 CAR SLIDING
+  U+26D1 HELMET WITH WHITE CROSS
+  U+26D2 CIRCLED CROSSING LANES
+  U+26D3 CHAINS
+  U+26D4 NO ENTRY
+  U+26D5 ALTERNATE ONE-WAY LEFT WAY TRAFFIC
+  U+26D6 BLACK TWO-WAY LEFT WAY TRAFFIC
+  U+26D7 WHITE TWO-WAY LEFT WAY TRAFFIC
+  U+26D8 BLACK LEFT LANE MERGE
+  U+26D9 WHITE LEFT LANE MERGE
+  U+26DA DRIVE SLOW SIGN
+  U+26DB HEAVY WHITE DOWN-POINTING TRIANGLE
+  U+26DC LEFT CLOSED ENTRY
+  U+26DD SQUARED SALTIRE
+  U+26DE FALLING DIAGONAL IN WHITE CIRCLE IN BLACK SQUARE
+  U+26DF BLACK TRUCK
+  U+26E0 RESTRICTED LEFT ENTRY-1
+  U+26E1 RESTRICTED LEFT ENTRY-2
+  U+26E3 HEAVY CIRCLE WITH STROKE AND TWO DOTS ABOVE
+  U+26E4 PENTAGRAM
+  U+26E5 RIGHT-HANDED INTERLACED PENTAGRAM
+  U+26E6 LEFT-HANDED INTERLACED PENTAGRAM
+  U+26E7 INVERTED PENTAGRAM
+  U+26E8 BLACK CROSS ON SHIELD
+  U+26E9 SHINTO SHRINE
+  U+26EA CHURCH
+  U+26EB CASTLE
+  U+26EC HISTORIC SITE
+  U+26ED GEAR WITHOUT HUB
+  U+26EE GEAR WITH HANDLES
+  U+26EF MAP SYMBOL FOR LIGHTHOUSE
+  U+26F0 MOUNTAIN
+  U+26F1 UMBRELLA ON GROUND
+  U+26F2 FOUNTAIN
+  U+26F3 FLAG IN HOLE
+  U+26F4 FERRY
+  U+26F5 SAILBOAT
+  U+26F6 SQUARE FOUR CORNERS
+  U+26F7 SKIER
+  U+26F8 ICE SKATE
+  U+26F9 PERSON WITH BALL
+  U+26FA TENT
+  U+26FB JAPANESE BANK SYMBOL
+  U+26FC HEADSTONE GRAVEYARD SYMBOL
+  U+26FD FUEL PUMP
+  U+26FE CUP ON BLACK SQUARE
+  U+26FF WHITE FLAG WITH HORIZONTAL MIDDLE BLACK STRIPE
+
+* The following characters have been revised.  Sometimes noly the
+  spacing has been adjusted, but most often the outline has also been
+  modified.
+
+  U+003B U+007C U+00AC U+00F7 U+2016 U+204F U+2105 U+210B U+210C
+  U+2110..U+2113 U+2115 U+2119 U+211B U+211C U+211E U+2126..U+2128
+  U+212C U+212D U+212F U+2130 U+2131 U+2133 U+2134 U+2145..U+2149
+  U+2208 U+2209 U+220B U+220C U+2217 U+2227..U+222A U+2282..U+228E
+  U+22A2..U+22A5 U+22C6 U+22D0 U+22D1 U+22EF U+22F2 U+22F3 U+22F5
+  U+22F6 U+22F8..U+22FB U+22FD U+2669..U+266B U+266D..U+266F
+  U+1D400..U1D433 U+1D504..1D537 U+1D541 U+1D558 U+1D55B
+  U+1D55D..1D562 U+1D565 U+1D566
+
+-----------------------------------
+
+18 June 2019, STIX Two, version 2.0.2
+
+This release fixes a glitch in the OS/2 tables: Bit 8 (WWS) of the
+fsSelection field has been set and the OS/2 table version has been
+updated to 4.  No changes were made to any glyphs or metrics.
+
+-----------------------------------
+
+15 April 2019, STIX Two, version 2.0.1
+
+COMPATIBILITY BETWEEN 2.0.1 AND 2.0.0
+
+There have been numerous improvements to the design of individual
+glyphs and to the placement of various accents.  Since these don't
+affect character metrics, they should not affect the layout of
+documents that used v2.0.0 of the fonts.
+
+Users upgrading existing documents from 2.0.0 to 2.0.1 should be aware
+of the following potential incompatibilities:
+
+* Character metrics for some glyphs, especially Mathematical
+  Alphanumeric Symbols and APL functional symbols, have changed.
+
+* Kerning between z and following punctuation has been improved.
+
+* In STIX2Math, Stylistic Set 7 (ss07) no longer includes U+2205
+
+* U+2202 PARTIAL DIFFERENTIAL and U+1D6DB MATHEMATICAL BOLD PARTIAL
+  DIFFERENTIAL are now upright by default.
+
+See below for further details.
+
+TEXT FONTS
+
+* Added U+2423 OPEN BOX to all faces.
+
+* Added Stylistic Set ss02 to select upright parentheses, brackets,
+  and braces in Italic and BoldItalic faces.
+
+* Harmonized design of smallcap U+02A9 LATIN SMALL LETTER FENG DIGRAPH
+  between Regular and Bold faces.
+
+* Improved design of extended Latin and IPA character glyphs.
+
+* Improved kerning of selected character pairs.
+
+* Improved design and placement of U+0307 COMBINING DOT ABOVE and
+  U+0308 COMBINING DIAERESIS.
+
+MATH FONTS
+
+* The following Mathematical Alphanumeric Symbols have been improved.
+  Note that in some case this has necessitated changes to the
+  character metrics.
+
+      U+1D504..1D537 Fraktur symbols
+      U+1D538..1D56B Double-struck symbols
+      U+1D56C..1D59F Bold Fraktur symbols
+      U+1D5A0..1D5D3 Sans-serif symbols             [SSP]
+      U+1D5D4..1D607 Sans-serif bold symbols        [SSP]
+      U+1D608..1D63B Sans-serif italic symbols      [SSP]
+      U+1D63C..1D66F Sans-serif bold italic symbols [SSP]
+      U+1D670..1D6A3 Monospace symbols
+      U+1D756..1D78F Sans-serif bold Greek
+      U+1D790..1D7C9 Sans-serif bold italic Greek
+      U+1D7D8..1D7E1 Double-struck digits
+      U+1D7E2..1D7EB Sans-serif digits              [SSP]
+      U+1D7EC..1D7F5 Sans-serif bold digits         [SSP]
+      U+1D7F6..1D7FF Monospace digits
+
+  Note: The ranges marked "[SSP]" are derived from the Source Sans Pro
+  fonts, with proportions and weight modified to harmonize with the
+  STIX design.
+
+* Added support for Unicode Standard Mathematical Standardized Variants.
+
+* Removed variant form of U+2205 EMPTY SET from Stylistic Set 7 to
+  Character Variant 3.  NOTE: For most users, the "variant" form will
+  be the preferred shape, but the default shape has been left as-is
+  for backwards compatibility.
+
+* Improved proportions of existing APL symbols and added an additional
+  16 symbols (see below).
+
+* Corrected glyph for U+1D752 MATHEMATICAL BOLD ITALIC KAPPA SYMBOL.
+
+* Improved positioning of tilde math accent.
+
+* Added dotless variants of U+2148 DOUBLE-STRUCK ITALIC SMALL I and
+  U_2149 DOUBLE-STRUCK ITALIC SMALL J.
+
+* Made U+2202 PARTIAL DIFFERENTIAL and U+1D6DB MATHEMATICAL BOLD
+  PARTIAL DIFFERENTIAL upright rather than italic.
+
+* Revised and extended coverage of Enclosed Alphanumeric block
+  (U+2460-24FF).
+
+* U+20E1 COMBINING LEFT RIGHT ARROW ABOVE is now extensible.
+
+* Corrected vertical placement of U+00B1 PLUS-MINUS SIGN
+
+* The following delimiters now have a full set of 12 growing form
+  variants.
+
+      U+2308 LEFT CEILING
+      U+2309 RIGHT CEILING
+
+      U+230A LEFT FLOOR
+      U+230B RIGHT FLOOR
+
+      U+2772 LIGHT LEFT TORTOISE SHELL BRACKET ORNAMENT
+      U+2773 LIGHT RIGHT TORTOISE SHELL BRACKET ORNAMENT
+
+      U+27E6 LEFT WHITE SQUARE BRACKET
+      U+27E7 MATHEMATICAL RIGHT WHITE SQUARE BRACKET
+
+      U+27E8 MATHEMATICAL LEFT ANGLE BRACKET
+      U+27E9 MATHEMATICAL RIGHT ANGLE BRACKET
+
+      U+27EA MATHEMATICAL LEFT DOUBLE ANGLE BRACKET
+      U+27EB MATHEMATICAL RIGHT DOUBLE ANGLE BRACKET
+
+      U+2983 WHITE CURLY BRACKET
+      U+2984 RIGHT WHITE CURLY BRACKET
+
+      U+2985 LEFT WHITE PARENTHESIS
+      U+2986 RIGHT WHITE PARENTHESIS
+
+* New characters
+
+    General Punctuation
+        U+2061 FUNCTION APPLICATION
+        U+2062 INVISIBLE TIMES
+        U+2063 INVISIBLE SEPARATOR
+        U+2064 INVISIBLE PLUS
+
+    Miscellaneous Technical
+        U+2338 APL FUNCTIONAL SYMBOL QUAD EQUAL
+        U+233A APL FUNCTIONAL SYMBOL QUAD DIAMOND
+        U+233E APL FUNCTIONAL SYMBOL CIRCLE JOT
+        U+2341 APL FUNCTIONAL SYMBOL QUAD SLASH
+        U+2342 APL FUNCTIONAL SYMBOL QUAD BACKSLASH
+        U+2347 APL FUNCTIONAL SYMBOL QUAD LEFTWARDS ARROW
+        U+2348 APL FUNCTIONAL SYMBOL QUAD RIGHTWARDS ARROW
+        U+2350 APL FUNCTIONAL SYMBOL QUAD UPWARDS ARROW
+        U+2357 APL FUNCTIONAL SYMBOL QUAD DOWNWARDS ARROW
+        U+2360 APL FUNCTIONAL SYMBOL QUAD COLON
+        U+2364 APL FUNCTIONAL SYMBOL JOT DIAERESIS
+        U+2365 APL FUNCTIONAL SYMBOL CIRCLE DIAERESIS
+        U+2366 APL FUNCTIONAL SYMBOL DOWN SHOE STILE
+        U+236D APL FUNCTIONAL SYMBOL STILE TILDE
+        U+2378 APL FUNCTIONAL SYMBOL IOTA UNDERBAR
+        U+2395 APL FUNCTIONAL SYMBOL QUAD
+        U+23B7 RADICAL SYMBOL BOTTOM
+        U+23B8 LEFT VERTICAL BOX LINE
+        U+23B9 RIGHT VERTICAL BOX LINE
+
+    Control Pictures
+        U+2422 BLANK SYMBOL
+
+    Enclosed Alphanumerics
+        U+2469..24B5
+        U+24EB..24FF
+
+    Dingbats
+        U+2776 DINGBAT NEGATIVE CIRCLED DIGIT ONE
+        U+2777 DINGBAT NEGATIVE CIRCLED DIGIT TWO
+        U+2778 DINGBAT NEGATIVE CIRCLED DIGIT THREE
+        U+2779 DINGBAT NEGATIVE CIRCLED DIGIT FOUR
+        U+277A DINGBAT NEGATIVE CIRCLED DIGIT FIVE
+        U+277B DINGBAT NEGATIVE CIRCLED DIGIT SIX
+        U+277C DINGBAT NEGATIVE CIRCLED DIGIT SEVEN
+        U+277D DINGBAT NEGATIVE CIRCLED DIGIT EIGHT
+        U+277E DINGBAT NEGATIVE CIRCLED DIGIT NINE
+        U+277F DINGBAT NEGATIVE CIRCLED NUMBER TEN
+
+    Arabic Mathematical Alphabetic Symbols
+        U+1EEF0 ARABIC MATHEMATICAL OPERATOR MEEM WITH HAH WITH TATWEEL
+        U+1EEF1 ARABIC MATHEMATICAL OPERATOR HAH WITH DAL
+
+        Note: These two characters were added for compatibility with
+        the LaTeX unicode-math package.  There are no plans to include
+        further support for Arabic typesetting.
+
+
+1 December 2016, STIX Two, version 2.0.0
+
+In addition to the overall visual redesign, STIX Two incorporates a
+number of significant improvements and additions over version 1 of the
+fonts.  Special attention has been given to implementing accepted best
+practices for OpenType fonts, such as the use of font features to
+access variant glyph shapes that were previously only available via
+the Unicode Private Use Areas.
+
+The letterspacing and kerning of the text fonts have been
+significantly improved.
+
+True small capital variants (Latin, Cyrillic, and Greek), accessible
+via the OpenType font feature smcp, have been added for all text
+fonts.
+
+Text (lowercase or oldstyle) numerals, available via the font features
+pnum and onum, have been added, in addition to natural-spacing
+figures.
+
+Alphabetic superscripts and numeric sub- and superscripts, accessible
+via the subs and sups font features, have been added.
+
+Fractions are available via the frac feature, as well as numerators
+(numr) and denominators (dnom).
+
+The OpenType MATH table has been completely rewritten and extended.
+
+Additions have been made to these Unicode blocks:
+    Latin-1 Supplement          U+0080 - U+00FF
+    Latin Extended-A            U+0100 - U+017F
+    Latin Extended Additional   U+0180 - U+024F
+    Cyrillic                    U+0400 - U+04FF
+    Greek and Coptic            U+0370 - U+03FF
+    IPA blocks                  U+0250 - U+02AF
+
+BACKWARDS COMPATIBILITY
+
+Because of the scope of the changes, especially to the text fonts,
+STIX Two is not a drop-in replacement for earlier versions.  While we
+understand and sympathize with the difficulties caused by the
+incompatibilities we have introduced, we nevertheless felt they were
+necessary to address some of the shortcomings of earlier versions of
+the fonts and to position us to respond to the needs of modern
+publishing.
+
+Earlier versions of the STIX fonts are deprecated and no longer
+supported.  We urge all users of the STIX fonts to upgrade to the new
+versions as soon as possible.
+
+To enable the new and old versions of the fonts to coexist during the
+transition phase, the fonts have been renamed as follows:
+
+    STIX 1.1.0              STIX 2.0.0
+
+    STIX-Regular            STIX Two Text
+    STIX-Italic             STIX Two Text Italic
+    STIX-Bold               STIX Two Text Bold
+    STIX-BoldItalic         STIX Two Text Bold Italic
+
+    STIX Math Regular       STIX Two Math
+
+The four text fonts contain glyphs from Unicode text blocks only.  For
+example, all characters from the range U+2190 to U+3063 and U+E000 to
+U+E368 and all plane 1 characters have been removed from the text
+fonts and are now found only in STIX Two Math.  Whenever possible,
+characters have been removed from the Private Use Area (U+E000-U+F8FF)
+and made available via font features instead.
+
+The STIX-General packaging of the fonts is no longer supported.
+
+Acknowledgements
+----------------
+
+Tiro Typeworks Ltd.
+https://www.tiro.com