15 files changed, 134 insertions, 7 deletions
diff --git a/tex/context/base/char-def.lua b/tex/context/base/char-def.lua
index 940e3208a..76fcd99b2 100644
--- a/tex/context/base/char-def.lua
+++ b/tex/context/base/char-def.lua
@@ -443,12 +443,12 @@ characters.data={
   adobename="slash",
   category="po",
   cjkwd="na",
+  comment="mathsymbol=0x2044",
   contextname="textslash",
   description="SOLIDUS",
   direction="cs",
   linebreak="sy",
   mathclass="ordinary",
-  mathsymbol=0x2044,
   unicodeslot=0x002F,
  },
  {
diff --git a/tex/context/base/cont-new.mkii b/tex/context/base/cont-new.mkii
index 1a9d5f66e..0b5b8df02 100644
--- a/tex/context/base/cont-new.mkii
+++ b/tex/context/base/cont-new.mkii
@@ -11,7 +11,7 @@
 %C therefore copyrighted by \PRAGMA. See mreadme.pdf for
 %C details.
 
-\newcontextversion{2013.02.19 11:14}
+\newcontextversion{2013.02.19 19:38}
 
 %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/cont-new.mkiv b/tex/context/base/cont-new.mkiv
index 6f0e0a030..d45cba489 100644
--- a/tex/context/base/cont-new.mkiv
+++ b/tex/context/base/cont-new.mkiv
@@ -11,7 +11,7 @@
 %C therefore copyrighted by \PRAGMA. See mreadme.pdf for
 %C details.
 
-\newcontextversion{2013.02.19 11:14}
+\newcontextversion{2013.02.19 19:38}
 
 %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/context-version.pdf b/tex/context/base/context-version.pdf
index 51484e393..863b7b6da 100644
--- a/tex/context/base/context-version.pdf
+++ b/tex/context/base/context-version.pdf
diff --git a/tex/context/base/context-version.png b/tex/context/base/context-version.png
index 4cbe38448..dcd4ad222 100644
--- a/tex/context/base/context-version.png
+++ b/tex/context/base/context-version.png
diff --git a/tex/context/base/context.mkii b/tex/context/base/context.mkii
index ec3971c66..9eba64cf0 100644
--- a/tex/context/base/context.mkii
+++ b/tex/context/base/context.mkii
@@ -20,7 +20,7 @@
 %D your styles an modules.
 
 \edef\contextformat {\jobname}
-\edef\contextversion{2013.02.19 11:14}
+\edef\contextversion{2013.02.19 19:38}
 
 %D For those who want to use this:
 
diff --git a/tex/context/base/context.mkiv b/tex/context/base/context.mkiv
index 6f7745361..dad7c3621 100644
--- a/tex/context/base/context.mkiv
+++ b/tex/context/base/context.mkiv
@@ -25,7 +25,7 @@
 %D up and the dependencies are more consistent.
 
 \edef\contextformat {\jobname}
-\edef\contextversion{2013.02.19 11:14}
+\edef\contextversion{2013.02.19 19:38}
 
 %D For those who want to use this:
 
@@ -422,6 +422,7 @@
 \loadmarkfile{math-scr}
 \loadmarkfile{math-int}
 \loadmarkfile{math-del}
+\loadmarkfile{math-fen}
 \loadmarkfile{math-inl}
 \loadmarkfile{math-dis}
 %loadmarkfile{math-lan}
diff --git a/tex/context/base/math-del.mkiv b/tex/context/base/math-del.mkiv
index 569b4cd3d..646572818 100644
--- a/tex/context/base/math-del.mkiv
+++ b/tex/context/base/math-del.mkiv
@@ -15,6 +15,8 @@
 
 \unprotect
 
+%D Old code that will be redone:
+%D
 %D \macros
 %D   {checkdelimiters, fakeleftdelimiter, fakerightdelimiter}
 %D
diff --git a/tex/context/base/math-fen.mkiv b/tex/context/base/math-fen.mkiv
new file mode 100644
index 000000000..bd6b6a75f
--- /dev/null
+++ b/tex/context/base/math-fen.mkiv
@@ -0,0 +1,101 @@
+%D \module
+%D   [       file=math-fen,
+%D        version=2012.02.18,
+%D          title=\CONTEXT\ Math Macros,
+%D       subtitle=Fences,
+%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.
+
+\writestatus{loading}{ConTeXt Math Macros / Fences}
+
+\unprotect
+
+% \definemathfence [fancybracket] [bracket] [command=yes,color=blue]
+%
+% test $|x|$ test \par
+% test $||x||$ test (okay) \par
+% test $a\left|\frac{1}{b}\right|c$ test \par
+% test $a\left||\frac{1}{b}\right||c$ test (not okay) \par
+%
+% \setupmathfences [color=red]
+%
+% test $a\fenced[bar]{\frac{1}{b}}c$ test \par
+% test $a\fenced[doublebar]{\frac{1}{b}}c$ test \par
+% test $a\fenced[bracket]{\frac{1}{b}}c$ test \par
+% test $a\fancybracket{\frac{1}{b}}c$ test \par
+
+\installcorenamespace{mathfences}
+\installcorenamespace{mathfencesleft}
+\installcorenamespace{mathfencesmiddle}
+\installcorenamespace{mathfencesright}
+
+\installcommandhandler \??mathfences {mathfence} \??mathfences
+
+\let\setupmathfences\setupmathfence
+
+\setupmathfences
+  [\c!left="002E,
+   \c!right="002E,
+   \c!middle="002E,
+   \c!color=,
+   \c!command=]
+
+\appendtoks
+    \edef\p_command{\mathfenceparameter\c!command}%
+    \ifx\p_command\v!yes
+        \setuevalue\currentmathfence{\math_fenced_fenced[\currentmathfence]}%
+    \fi
+\to \everydefinemathfence
+
+\def\math_fenced_left  {\normalleft  \utfchar{\mathfenceparameter\c!left  }}
+\def\math_fenced_middle{\normalmiddle\utfchar{\mathfenceparameter\c!middle}}
+\def\math_fenced_right {\normalright \utfchar{\mathfenceparameter\c!right }}
+
+\let\fence \relax
+\let\fenced\relax
+
+\unexpanded\def\math_fenced_fenced[#1]%
+  {\begingroup
+   \edef\currentmathfence{#1}%
+   \let\fence\math_fenced_middle
+   \edef\p_math_fenced_color{\mathfenceparameter\c!color}%
+   \ifx\p_math_fenced_color\empty
+     \expandafter\math_fenced_normal
+   \else
+     \expandafter\math_fenced_colored
+   \fi}
+
+\def\math_fenced_normal#1%
+  {\math_fenced_left
+   #1%
+   \math_fenced_right
+   \endgroup}
+
+\def\math_fenced_colored#1%
+  {\pushcolor[\p_math_fenced_color]%
+   \math_fenced_left
+   \popcolor
+   #1%
+   \pushcolor[\p_math_fenced_color]%
+   \math_fenced_right
+   \popcolor
+   \endgroup}
+
+\appendtoks
+    \let\fenced\math_fenced_fenced
+\to \everymathematics
+
+\definemathfence [parenthesis] [\c!left="0028,\c!right="0029]
+\definemathfence [bracket]     [\c!left="005B,\c!right="005D]
+\definemathfence [braces]      [\c!left="007B,\c!right="007D]
+\definemathfence [bar]         [\c!left="007C,\c!right="007C]
+\definemathfence [doublebar]   [\c!left="2016,\c!right="2016]
+
+%definemathfence [fancybracket] [bracket] [command=yes,color=red]
+
+\protect
diff --git a/tex/context/base/math-stc.mkvi b/tex/context/base/math-stc.mkvi
index 6e344cd62..2dc2b2c22 100644
--- a/tex/context/base/math-stc.mkvi
+++ b/tex/context/base/math-stc.mkvi
@@ -120,6 +120,8 @@
    \c!mindepth=\zeropoint,
    \c!minwidth=\emwidth,
    \c!order=\v!normal,
+   \c!strut=,
+  %\c!color=, % todo: when I need it
    \c!topcommand=,
    \c!middlecommand=,
    \c!bottomcommand=,
@@ -147,7 +149,10 @@
 
 \def\math_stackers_flushtext#command#text%
   {\ifdim\scratchleftoffset >\zeropoint\math_stackers_skip\scratchleftoffset \fi
-   \strut\mathstackersparameter#command#text%
+   \ifx\p_strut\v!no \else
+     \strut
+   \fi
+   \mathstackersparameter#command#text%
    \ifdim\scratchrightoffset>\zeropoint\math_stackers_skip\scratchrightoffset\fi}
 
 \def\math_stackers_toptext   {\math_stackers_flushtext\c!topcommand   \m_math_stackers_text_top   }
@@ -222,6 +227,7 @@
      {\edef\p_offset  {\mathstackersparameter\c!offset}%
       \edef\p_location{\mathstackersparameter\c!location}%
       \edef\p_order   {\mathstackersparameter\c!order}%
+      \edef\p_strut   {\mathstackersparameter\c!strut}%
       \ifx\p_order\v!reverse
         \edef\m_math_stackers_text_top   {#bottomtext}%
         \edef\m_math_stackers_text_bottom{#toptext}%
@@ -399,6 +405,7 @@
       %
       \edef\p_offset  {\mathstackersparameter\c!offset}%
       \edef\p_location{\mathstackersparameter\c!location}%
+      \edef\p_strut   {\mathstackersparameter\c!strut}%
       %
       \scratchleftoffset \zeropoint
       \scratchrightoffset\zeropoint
@@ -554,6 +561,7 @@
   [\v!top]
   [\v!mathematics]
   [\c!location=\v!top,
+   \c!strut=\v!no,
    \c!middlecommand=\mathematics,
    \c!hoffset=\zeropoint]
 
@@ -561,6 +569,7 @@
   [\v!bottom]
   [\v!mathematics]
   [\c!location=\v!top,
+   \c!strut=\v!no,
    \c!middlecommand=\mathematics,
    \c!hoffset=\zeropoint]
 
diff --git a/tex/context/base/spac-ver.mkiv b/tex/context/base/spac-ver.mkiv
index 667b3d00c..7c3604dd4 100644
--- a/tex/context/base/spac-ver.mkiv
+++ b/tex/context/base/spac-ver.mkiv
@@ -604,6 +604,7 @@
 %
 %   \setstrut          : instellen \strut
 %   \setnostrut        : resetten \strut, \endstrut, \begstrut
+%   \setnonestrut      : resetten \strut (fast one)
 %
 %   \setteststrut      : instellen zichtbare struts
 %   \resetteststrut    : instellen onzichtbare struts
@@ -964,6 +965,13 @@
      \setcharstrut\m_strut
    \fi}
 
+\unexpanded\def\dosynchronizestrut#1% no [] parsing, faster for internal
+  {\ifcsname\??struts#1\endcsname
+     \csname\??struts#1\endcsname
+   \else
+     \setcharstrut\m_strut
+   \fi}
+
 \unexpanded\def\showstruts
   {\setteststrut
    \settestcrlf}
diff --git a/tex/context/base/status-files.pdf b/tex/context/base/status-files.pdf
index 411639630..4a97358a2 100644
--- a/tex/context/base/status-files.pdf
+++ b/tex/context/base/status-files.pdf
diff --git a/tex/context/base/status-lua.pdf b/tex/context/base/status-lua.pdf
index 0e4300c4b..aad48ee2e 100644
--- a/tex/context/base/status-lua.pdf
+++ b/tex/context/base/status-lua.pdf
diff --git a/tex/context/base/status-mkiv.lua b/tex/context/base/status-mkiv.lua
index 2e833c3da..13ec83255 100644
--- a/tex/context/base/status-mkiv.lua
+++ b/tex/context/base/status-mkiv.lua
@@ -1839,6 +1839,12 @@ return {
   },
   {
    category = "mkiv",
+   filename = "math-fen",
+   loading  = "always",
+   status   = "okay",
+  },
+  {
+   category = "mkiv",
    comment  = "code might move to here",
    filename = "math-inl",
    loading  = "always",
diff --git a/tex/generic/context/luatex/luatex-fonts-merged.lua b/tex/generic/context/luatex/luatex-fonts-merged.lua
index 117e0ced5..c4859243f 100644
--- a/tex/generic/context/luatex/luatex-fonts-merged.lua
+++ b/tex/generic/context/luatex/luatex-fonts-merged.lua
@@ -1,6 +1,6 @@
 -- merged file : luatex-fonts-merged.lua
 -- parent file : luatex-fonts.lua
--- merge date  : 02/19/13 11:14:18
+-- merge date  : 02/19/13 19:38:41
 
 do -- begin closure to overcome local limits and interference