2016-12-05 14:50:00

12 files changed, 135 insertions, 6 deletions

diff --git a/tex/context/base/mkii/cont-new.mkii b/tex/context/base/mkii/cont-new.mkii
index aadba04f8..a439529d3 100644
--- a/tex/context/base/mkii/cont-new.mkii
+++ b/tex/context/base/mkii/cont-new.mkii
@@ -11,7 +11,7 @@
 %C therefore copyrighted by \PRAGMA. See mreadme.pdf for
 %C details.
 
-\newcontextversion{2016.12.02 10:13}
+\newcontextversion{2016.12.05 14:44}
 
 %D This file is loaded at runtime, thereby providing an
 %D excellent place for hacks, patches, extensions and new
diff --git a/tex/context/base/mkii/context.mkii b/tex/context/base/mkii/context.mkii
index 6a800c93c..14b60ec69 100644
--- a/tex/context/base/mkii/context.mkii
+++ b/tex/context/base/mkii/context.mkii
@@ -20,7 +20,7 @@
 %D your styles an modules.
 
 \edef\contextformat {\jobname}
-\edef\contextversion{2016.12.02 10:13}
+\edef\contextversion{2016.12.05 14:44}
 
 %D For those who want to use this:
 
diff --git a/tex/context/base/mkiv/char-def.lua b/tex/context/base/mkiv/char-def.lua
index 72c868105..6a1b04e01 100644
--- a/tex/context/base/mkiv/char-def.lua
+++ b/tex/context/base/mkiv/char-def.lua
@@ -78926,16 +78926,54 @@ characters.data={
   description="LEFT BLACK TORTOISE SHELL BRACKET",
   direction="on",
   linebreak="op",
+  mathspec={
+   {
+    class="open",
+    name="linterval",
+   },
+   {
+    class="close",
+    name="rointerval",
+   },
+   {
+    class="open",
+    name="rlointerval",
+   },
+   {
+    class="close",
+    name="rlointerval",
+   },
+  },
   mirror=0x2998,
   unicodeslot=0x2997,
+  textclass="open",
  },
  [0x2998]={
   category="pe",
   description="RIGHT BLACK TORTOISE SHELL BRACKET",
   direction="on",
   linebreak="cl",
+  mathspec={
+   {
+    class="close",
+    name="rinterval",
+   },
+   {
+    class="open",
+    name="lointerval",
+   },
+   {
+    class="open",
+    name="lrointerval",
+   },
+   {
+    class="close",
+    name="rrointerval",
+   },
+  },
   mirror=0x2997,
   unicodeslot=0x2998,
+  textclass="close",
  },
  [0x2999]={
   category="sm",
@@ -238342,4 +238380,4 @@ characters.data={
   linebreak="cm",
   unicodeslot=0xE007F,
  },
-}
\ No newline at end of file
+}
diff --git a/tex/context/base/mkiv/cont-new.mkiv b/tex/context/base/mkiv/cont-new.mkiv
index 6b1defa95..5751a60da 100644
--- a/tex/context/base/mkiv/cont-new.mkiv
+++ b/tex/context/base/mkiv/cont-new.mkiv
@@ -11,7 +11,7 @@
 %C therefore copyrighted by \PRAGMA. See mreadme.pdf for
 %C details.
 
-\newcontextversion{2016.12.02 10:13}
+\newcontextversion{2016.12.05 14:44}
 
 %D This file is loaded at runtime, thereby providing an excellent place for
 %D hacks, patches, extensions and new features.
diff --git a/tex/context/base/mkiv/context.mkiv b/tex/context/base/mkiv/context.mkiv
index 554d63830..b338d3c43 100644
--- a/tex/context/base/mkiv/context.mkiv
+++ b/tex/context/base/mkiv/context.mkiv
@@ -39,7 +39,7 @@
 %D up and the dependencies are more consistent.
 
 \edef\contextformat {\jobname}
-\edef\contextversion{2016.12.02 10:13}
+\edef\contextversion{2016.12.05 14:44}
 \edef\contextkind   {beta}
 
 %D For those who want to use this:
diff --git a/tex/context/base/mkiv/math-fen.mkiv b/tex/context/base/mkiv/math-fen.mkiv
index 3dfaa7f33..c26827cf1 100644
--- a/tex/context/base/mkiv/math-fen.mkiv
+++ b/tex/context/base/mkiv/math-fen.mkiv
@@ -223,6 +223,21 @@
 \unexpanded\def\Lopenbracketmirrored {\math_fenced_fenced_stop {mirroredopenbracket}}  \unexpanded\def\Ropenbracketmirrored {\math_fenced_fenced_start{mirroredopenbracket}}
 \unexpanded\def\Lnothingmirrored     {\math_fenced_fenced_stop {mirrorednothing}}      \unexpanded\def\Rnothingmirrored     {\math_fenced_fenced_start{mirrorednothing}}
 
+\definemathfence [interval]                     [\c!left="2997,\c!right="2998]
+\definemathfence [openinterval]      [interval] [\c!left="2998,\c!right="2998]
+\definemathfence [leftopeninterval]  [interval] [\c!left="2997,\c!right="2997]
+\definemathfence [rightopeninterval] [interval] [\c!left="2998,\c!right="2998]
+
+\unexpanded\def\Linterval            {\math_fenced_fenced_start{interval}}
+\unexpanded\def\Lointerval           {\math_fenced_fenced_start{openinterval}}
+\unexpanded\def\Llointerval          {\math_fenced_fenced_start{leftopeninterval}}
+\unexpanded\def\Lrointerval          {\math_fenced_fenced_start{rightopeninterval}}
+
+\unexpanded\def\Rinterval            {\math_fenced_fenced_stop {interval}}
+\unexpanded\def\Rointerval           {\math_fenced_fenced_stop {openinterval}}
+\unexpanded\def\Rlointerval          {\math_fenced_fenced_stop {leftopeninterval}}
+\unexpanded\def\Rrointerval          {\math_fenced_fenced_stop {rightopeninterval}}
+
 % \startformula
 % \left{ \frac{1}{a} \right}
 % \left[ \frac{1}{b} \right]
@@ -392,6 +407,8 @@
 % \installmathfencepair { \Lbrace          } \Rbrace
 % \installmathfencepair } \Rbracemirrored  { \Lbracemirrored
 
+\installmathfencepair ⦗ \Linterv              ⦘ \Rinterv
+
 \appendtoks
     \ignorediscretionaries % so $\mtext{a|b}$ works, this is ok because it's an \hbox
 \to \everymathematics
@@ -440,6 +457,12 @@
 \installmathfencepair \llbracket    \Lopenbracket \rrbracket    \Ropenbracket
 \installmathfencepair \lgroup       \Lgroup       \rgroup       \Rgroup
 
+\installmathfencepair \linterval    \Linterval    \rinterval    \Rinterval
+%installmathfencepair \linterv      \Linterval    \rinterv      \Rinterval
+\installmathfencepair \lointerval   \Linterval    \rointerval   \Rinterval
+\installmathfencepair \llointerval  \Llointerval  \rlointerval  \Rlointerval
+\installmathfencepair \lrointerval  \Lrointerval  \rrointerval  \Rrointerval
+
 \let\textlbar\lbar \let\mathlbar\Lbar
 \let\textrbar\lbar \let\mathrbar\Rbar
 
diff --git a/tex/context/base/mkiv/status-files.pdf b/tex/context/base/mkiv/status-files.pdf
index e53b08be3..8f0dca563 100644
--- a/tex/context/base/mkiv/status-files.pdf
+++ b/tex/context/base/mkiv/status-files.pdf
diff --git a/tex/context/base/mkiv/status-lua.pdf b/tex/context/base/mkiv/status-lua.pdf
index ecc21a8c9..79290af72 100644
--- a/tex/context/base/mkiv/status-lua.pdf
+++ b/tex/context/base/mkiv/status-lua.pdf
diff --git a/tex/context/fonts/mkiv/type-imp-stix.mkiv b/tex/context/fonts/mkiv/type-imp-stix.mkiv
new file mode 100644
index 000000000..697037b43
--- /dev/null
+++ b/tex/context/fonts/mkiv/type-imp-stix.mkiv
@@ -0,0 +1,64 @@
+%D \module
+%D   [       file=type-otf,
+%D        version=2007.07.30,
+%D          title=\CONTEXT\ Typescript Macros,
+%D       subtitle=Stix,
+%D         author=Hans Hagen,
+%D           date=\currentdate,
+%D      copyright={PRAGMA ADE \& \CONTEXT\ Development Team}]
+%C
+%C This module is part of the \CONTEXT\ macro||package and is
+%C therefore copyrighted by \PRAGMA. See mreadme.pdf for
+%C details.
+
+%D We provide typescripts for version one and two of the stix fonts. There is a
+%D xits variant based on the first (not opentype) release that also provides
+%D bidirectional math.
+
+\definefontfeature
+  [stixtwomath]
+  [ss02=yes] % otherwise weird (non italic) g
+
+\starttypescriptcollection[stix]
+
+    % version one
+
+    \starttypescript [\s!math] [stix] [\s!name]
+        \definefontsynonym[MathRoman][\s!file:stixmath-regular.otf] [\s!features={\s!math\mathsizesuffix,mathextra}]
+    \stoptypescript
+
+    \starttypescript [\s!serif] [stix] [\s!name]
+        \setups[\s!font:\s!fallback:\s!serif]
+        \definefontsynonym[\s!Serif]          [\s!file:stix-regular.otf]   [\s!features=\s!default]
+        \definefontsynonym[\s!SerifBold]      [\s!file:stix-bold.otf]      [\s!features=\s!default]
+        \definefontsynonym[\s!SerifItalic]    [\s!file:stix-italic.otf]    [\s!features=\s!default]
+        \definefontsynonym[\s!SerifBoldItalic][\s!file:stix-bolditalic.otf][\s!features=\s!default]
+    \stoptypescript
+
+    \starttypescript[stix]
+        \definetypeface [stix] [\s!rm] [\s!serif] [stix] [\s!default]
+        \definetypeface [stix] [\s!mm] [\s!math]  [stix] [\s!default]
+    \stoptypescript
+
+    % version two
+
+    \starttypescript [\s!math] [stixtwo] [\s!name]
+        \definefontsynonym[MathRoman][\s!file:stix2math.otf] [\s!features={\s!math\mathsizesuffix,stixtwomath,mathextra},\s!goodies=stix-two-math]
+    \stoptypescript
+
+    \starttypescript [\s!serif] [stixtwo] [\s!name]
+        \setups[\s!font:\s!fallback:\s!serif]
+        \definefontsynonym[\s!Serif]          [\s!file:stix2text-regular.otf]   [\s!features=\s!default]
+        \definefontsynonym[\s!SerifBold]      [\s!file:stix2text-bold.otf]      [\s!features=\s!default]
+        \definefontsynonym[\s!SerifItalic]    [\s!file:stix2text-italic.otf]    [\s!features=\s!default]
+        \definefontsynonym[\s!SerifBoldItalic][\s!file:stix2text-bolditalic.otf][\s!features=\s!default]
+    \stoptypescript
+
+    \starttypescript[stixtwo]
+        \definetypeface [\typescriptone] [\s!rm] [\s!serif] [stixtwo] [\s!default]
+        \definetypeface [\typescriptone] [\s!ss] [\s!serif] [stixtwo] [\s!default]
+        \definetypeface [\typescriptone] [\s!tt] [\s!mono]  [dejavu]  [\s!default] [\s!rscale=0.895]
+        \definetypeface [\typescriptone] [\s!mm] [\s!math]  [stixtwo] [\s!default]
+    \stoptypescript
+
+\stoptypescriptcollection
diff --git a/tex/context/interface/mkiv/i-context.pdf b/tex/context/interface/mkiv/i-context.pdf
index f915404b9..e3dd2d9ed 100644
--- a/tex/context/interface/mkiv/i-context.pdf
+++ b/tex/context/interface/mkiv/i-context.pdf
diff --git a/tex/context/interface/mkiv/i-readme.pdf b/tex/context/interface/mkiv/i-readme.pdf
index d67885e35..4d81dd35b 100644
--- a/tex/context/interface/mkiv/i-readme.pdf
+++ b/tex/context/interface/mkiv/i-readme.pdf
diff --git a/tex/context/modules/mkiv/x-mathml.mkiv b/tex/context/modules/mkiv/x-mathml.mkiv
index 5a9c4fdd2..7ed1b4322 100644
--- a/tex/context/modules/mkiv/x-mathml.mkiv
+++ b/tex/context/modules/mkiv/x-mathml.mkiv
@@ -2036,7 +2036,11 @@
                                         \expanded{\doifelseinset {mml:enclose:radical} {\mmlmenclosenotation}} {
                                             \sqrt{\xmlflush{#1}}
                                         } {
-                                            \xmlflush{#1}
+                                            \expanded{\doifelseinset {mml:enclose:rule} {\mmlmenclosenotation}} {
+                                                \overline{\strut\xmlflush{#1}}
+                                            } {
+                                                \xmlflush{#1}
+                                            }
                                         }
                                     }
                                 }