2017-06-29 09:41:00

19 files changed, 157 insertions, 49 deletions

diff --git a/tex/context/base/mkii/cont-new.mkii b/tex/context/base/mkii/cont-new.mkii
index 90be64d47..5a0456528 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{2017.06.27 18:05}
+\newcontextversion{2017.06.29 09:34}
 
 %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 8b6845f1a..5b82f4d36 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{2017.06.27 18:05}
+\edef\contextversion{2017.06.29 09:34}
 
 %D For those who want to use this:
 
diff --git a/tex/context/base/mkii/mult-fr.mkii b/tex/context/base/mkii/mult-fr.mkii
index 318bfc31c..bae157e5a 100644
--- a/tex/context/base/mkii/mult-fr.mkii
+++ b/tex/context/base/mkii/mult-fr.mkii
@@ -687,6 +687,7 @@
 \setinterfaceconstant{bottomoffset}{decalageinf}
 \setinterfaceconstant{bottomspace}{espaceinf}
 \setinterfaceconstant{bottomstate}{etatinf}
+\setinterfaceconstant{break}{break}
 \setinterfaceconstant{buffer}{buffer}
 \setinterfaceconstant{cache}{cache}
 \setinterfaceconstant{calculate}{calculer}
diff --git a/tex/context/base/mkiv/cont-new.mkiv b/tex/context/base/mkiv/cont-new.mkiv
index 03e69e0a5..af97f8b50 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{2017.06.27 18:05}
+\newcontextversion{2017.06.29 09:34}
 
 %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 e7ad05eb5..7a2a20e46 100644
--- a/tex/context/base/mkiv/context.mkiv
+++ b/tex/context/base/mkiv/context.mkiv
@@ -41,7 +41,7 @@
 %D up and the dependencies are more consistent.
 
 \edef\contextformat {\jobname}
-\edef\contextversion{2017.06.27 18:05}
+\edef\contextversion{2017.06.29 09:34}
 \edef\contextkind   {beta}
 
 %D For those who want to use this:
diff --git a/tex/context/base/mkiv/font-onr.lua b/tex/context/base/mkiv/font-onr.lua
index 85d3604b7..9a45d4b73 100644
--- a/tex/context/base/mkiv/font-onr.lua
+++ b/tex/context/base/mkiv/font-onr.lua
@@ -89,7 +89,7 @@ do
     local dup           = P("dup")
     local put           = P("put")
     local array         = P("array")
-    local name          = P("/") * C((R("az")+R("AZ")+R("09")+S("-_."))^1)
+    local name          = P("/") * C((R("az","AZ","09")+S("-_."))^1)
     local digits        = R("09")^1
     local cardinal      = digits / tonumber
     local spaces        = P(" ")^1
@@ -103,32 +103,40 @@ do
         return position + 1
     end
 
-    local setroutine = function(str,position,index,size)
+    local setroutine = function(str,position,index,size,filename)
         local forward = position + tonumber(size)
         local stream  = decrypt(sub(str,position+1,forward),4330,4)
         routines[index] = { byte(stream,1,#stream) }
         return forward
     end
 
-    local setvector = function(str,position,name,size)
+    local setvector = function(str,position,name,size,filename)
         local forward = position + tonumber(size)
         if n >= m then
             return #str
         elseif forward < #str then
+            if n == 0 and name ~= ".notdef" then
+                report_pfb("reserving .notdef at index 0 in %a",filename) -- luatex needs that
+                n = n + 1
+            end
             vector[n] = name
-            n = n + 1 -- we compensate for notdef at the cff loader end
+            n = n + 1
             return forward
         else
             return #str
         end
     end
 
-    local setshapes = function(str,position,name,size)
+    local setshapes = function(str,position,name,size,filename)
         local forward = position + tonumber(size)
         local stream  = sub(str,position+1,forward)
         if n > m then
             return #str
         elseif forward < #str then
+            if n == 0 and name ~= ".notdef" then
+                report_pfb("reserving .notdef at index 0 in %a",filename) -- luatex needs that
+                n = n + 1
+            end
             vector[n] = name
             n = n + 1
             chars [n] = decrypt(stream,4330,4)
@@ -144,15 +152,15 @@ do
 
     local p_filterroutines = -- dup <i> <n> RD or -| <n encrypted bytes> NP or |
         (1-subroutines)^0 * subroutines * spaces * Cmt(cardinal,initialize)
-      * (Cmt(cardinal * spaces * cardinal * p_rd, setroutine) * p_np + P(1))^1
+      * (Cmt(cardinal * spaces * cardinal * p_rd * Carg(1), setroutine) * p_np + P(1))^1
 
     local p_filtershapes = -- /foo <n> RD <n encrypted bytes> ND
         (1-charstrings)^0 * charstrings * spaces * Cmt(cardinal,initialize)
-      * (Cmt(name * spaces * cardinal * p_rd, setshapes) * p_nd + P(1))^1
+      * (Cmt(name * spaces * cardinal * p_rd * Carg(1) , setshapes) * p_nd + P(1))^1
 
     local p_filternames = Ct (
         (1-charstrings)^0 * charstrings * spaces * Cmt(cardinal,initialize)
-        * (Cmt(name * spaces * cardinal, setvector) + P(1))^1
+        * (Cmt(name * spaces * cardinal * Carg(1), setvector) + P(1))^1
     )
 
     -- /Encoding 256 array
@@ -196,10 +204,9 @@ do
         local glyphs   = { }
 
         routines, vector, chars = { }, { }, { }
-
         if shapestoo then
-            lpegmatch(p_filterroutines,binary)
-            lpegmatch(p_filtershapes,binary)
+            lpegmatch(p_filterroutines,binary,1,filename)
+            lpegmatch(p_filtershapes,binary,1,filename)
             local data = {
                 dictionaries = {
                     {
@@ -211,7 +218,7 @@ do
             }
             fonts.handlers.otf.readers.parsecharstrings(false,data,glyphs,true,true)
         else
-            lpegmatch(p_filternames,binary)
+            lpegmatch(p_filternames,binary,1,filename)
         end
 
         names = vector
@@ -233,7 +240,7 @@ do
             if trace_loading then
                 report_afm("getting index data from %a",pfbname)
             end
-            for index=1,#vector do
+            for index=0,#vector do -- hm, zero, often space or notdef
                 local name = vector[index]
                 local char = characters[name]
                 if char then
@@ -241,6 +248,10 @@ do
                         report_afm("glyph %a has index %a",name,index)
                     end
                     char.index = index
+                else
+                    if trace_indexing then
+                        report_afm("glyph %a has index %a but no data",name,index)
+                    end
                 end
             end
         end
@@ -410,10 +421,6 @@ local fullparser = ( P("StartFontMetrics") * fontdata * name / start )
                  * ( p_charmetrics + p_kernpairs + p_parameters + (1-P("EndFontMetrics")) )^0
                  * ( P("EndFontMetrics") / stop )
 
-local fullparser = ( P("StartFontMetrics") * fontdata * name / start )
-                 * ( p_charmetrics + p_kernpairs + p_parameters + (1-P("EndFontMetrics")) )^0
-                 * ( P("EndFontMetrics") / stop )
-
 local infoparser = ( P("StartFontMetrics") * fontdata * name / start )
                  * ( p_parameters + (1-P("EndFontMetrics")) )^0
                  * ( P("EndFontMetrics") / stop )
diff --git a/tex/context/base/mkiv/mult-def.lua b/tex/context/base/mkiv/mult-def.lua
index 7cee595cd..6843ae3fe 100644
--- a/tex/context/base/mkiv/mult-def.lua
+++ b/tex/context/base/mkiv/mult-def.lua
@@ -7061,6 +7061,10 @@ return {
    ["pe"]="وضعیت‌پایین",
    ["ro"]="starejos",
   },
+  ["break"]={
+   ["en"]="break",
+   ["nl"]="break",
+  },
   ["buffer"]={
    ["en"]="buffer",
    ["nl"]="buffer",
diff --git a/tex/context/base/mkiv/mult-prm.lua b/tex/context/base/mkiv/mult-prm.lua
index 69221db12..a2a5e39e8 100644
--- a/tex/context/base/mkiv/mult-prm.lua
+++ b/tex/context/base/mkiv/mult-prm.lua
@@ -227,6 +227,7 @@ return {
   "begincsname",
   "bodydir",
   "boxdir",
+  "breakafterdirmode",
   "catcodetable",
   "clearmarks",
   "copyfont",
@@ -1161,4 +1162,4 @@ return {
  ["xetex"]={
   "XeTeXversion",
  },
-}
\ No newline at end of file
+}
diff --git a/tex/context/base/mkiv/pack-com.mkiv b/tex/context/base/mkiv/pack-com.mkiv
index 8abee1daf..0f5fa1f0c 100644
--- a/tex/context/base/mkiv/pack-com.mkiv
+++ b/tex/context/base/mkiv/pack-com.mkiv
@@ -78,7 +78,7 @@
 
 \newcount\c_pack_combinations_nesting  % local
 \newcount\c_pack_combinations_x        % global
-\newcount\c_pack_combinations_n        % global
+\newcount\c_pack_combinations_y        % global
 \newcount\c_pack_combinations_max      % global
 \newbox  \b_pack_combinations_captions % global
 \newbox  \b_pack_combinations_temp     % global
@@ -93,7 +93,7 @@
 \initializeboxstack{\??combination temp}
 
 \newcount\c_pack_combinations_x_saved
-\newcount\c_pack_combinations_n_saved
+\newcount\c_pack_combinations_y_saved
 \newcount\c_pack_combinations_max_saved
 \newbox  \b_pack_combinations_captions_saved
 \newbox  \b_pack_combinations_temp_saved
@@ -106,7 +106,7 @@
   {\advance\c_pack_combinations_nesting\plusone
    \ifnum\c_pack_combinations_nesting>\plusone
      \c_pack_combinations_x_saved  \c_pack_combinations_x
-     \c_pack_combinations_n_saved  \c_pack_combinations_n
+     \c_pack_combinations_y_saved  \c_pack_combinations_y
      \c_pack_combinations_max_saved\c_pack_combinations_max
      \setbox\b_pack_combinations_captions_saved\box\b_pack_combinations_captions
      \setbox\b_pack_combinations_temp_saved    \box\b_pack_combinations_temp
@@ -119,7 +119,7 @@
 \def\pack_combinations_pop
   {\ifnum\c_pack_combinations_nesting>\plusone
      \global\c_pack_combinations_x  \c_pack_combinations_x_saved
-     \global\c_pack_combinations_n  \c_pack_combinations_n_saved
+     \global\c_pack_combinations_y  \c_pack_combinations_y_saved
      \global\c_pack_combinations_max\c_pack_combinations_max_saved
      \global\setbox\b_pack_combinations_captions\box\b_pack_combinations_captions_saved
      \global\setbox\b_pack_combinations_temp    \box\b_pack_combinations_temp_saved
@@ -204,7 +204,7 @@
 % \unexpanded\def\stopcombination
 %   {\bgroup
 %    \scratchtoks{{}}%
-%    \dorecurse\c_pack_combinations_n
+%    \dorecurse\c_pack_combinations_y
 %      {\scratchtoks\expandafter{\the\scratchtoks{}{}}}%
 %    \expandafter\egroup\the\scratchtoks
 %    \egroup
@@ -219,7 +219,7 @@
 \unexpanded\def\pack_common_caption_stop {\removeunwantedspaces\egroup}
 
 \unexpanded\def\stopcombination
-  {\bgroup\normalexpanded{\egroup{}\ntimes{{}{}}\c_pack_combinations_n}% brr
+  {\bgroup\normalexpanded{\egroup{}\ntimes{{}{}}\c_pack_combinations_y}% brr
    \dostoptagged
    \egroup
    \pack_combinations_pop
@@ -271,15 +271,18 @@
    \let\combination\empty % permits \combination{}{} handy for cld
    \normalexpanded{\pack_combinations_start_indeed[\currentcombinationspec]}}
 
+\let\pack_combinations_check_x_y\relax
+
 \unexpanded\def\pack_combinations_start_indeed[#1*#2*#3]%
   {\global\c_pack_combinations_x#1\relax
-   \global\c_pack_combinations_n#2\relax
+   \global\c_pack_combinations_y#2\relax
+   \pack_combinations_check_x_y
    \dotagcombination
    \global\setbox\b_pack_combinations_captions\emptybox
    \global\c_pack_combinations_max\c_pack_combinations_x
-   \multiply\c_pack_combinations_n\c_pack_combinations_x
+   \multiply\c_pack_combinations_y\c_pack_combinations_x
    \tabskip\zeropoint
-   \halign \ifx\p_width\v!fit\else to \p_width \fi \bgroup
+   \halign \ifx\p_width\v!fit\else to \p_width \fi \bgroup % repetitive preamble
    \aligntab
    \m_pack_combinations_leftfiller
    \alignmark\alignmark
@@ -382,8 +385,8 @@
       \m_pack_combinations_valigner{\box\b_pack_combinations_content}%
       % we need to save the caption for a next alignment line
       \pack_combinations_save_caption}%
-   \ifnum\c_pack_combinations_n>\plusone
-     \global\advance\c_pack_combinations_n\minusone
+   \ifnum\c_pack_combinations_y>\plusone
+     \global\advance\c_pack_combinations_y\minusone
      \global\advance\c_pack_combinations_x\minusone
      \ifcase\c_pack_combinations_x
        \doubleexpandafter\pack_combinations_pickup_package_pair_a
@@ -486,19 +489,40 @@
 
 \let\stopfloatcombination\relax
 
+\unexpanded\def\pack_combinations_float_hack_a#1%
+  {\strc_floats_build_box_separate_split{\getlocalfloat{#1}}%
+   \box\b_strc_floats_separate_content}
+
+\unexpanded\def\pack_combinations_float_hack_b#1%
+  {\box\b_strc_floats_separate_caption}
+
 \def\pack_combinations_start_float[#1][#2]%
   {\ifinsidefloat\else\dontleavehmode\fi % tricky, floatcombinations fail to align well otherwise
    \vbox\bgroup
+   \strc_floats_build_box_separate_set
   %\insidecolumnstrue % trick, forces no centering, todo: proper switch/feature
    \postcenterfloatmethod\zerocount
    \forcelocalfloats
    \unexpanded\def\stopfloatcombination{\pack_combinations_stop_float{#1}}}
 
+\def\pack_combinations_float_check_x_y
+  {\ifnum\numexpr\c_pack_combinations_x*\c_pack_combinations_y\relax<\noflocalfloats\relax
+       \global\c_pack_combinations_x\noflocalfloats
+       \global\c_pack_combinations_y\plusone
+   \fi
+   \let\pack_combinations_check_x_y\relax}%
+
 \def\pack_combinations_stop_float#1%
   {\scratchtoks\emptytoks
    \dorecurse\noflocalfloats
-     {\appendetoks{\getlocalfloat{\recurselevel}}{}\to\scratchtoks}% brrr
-   \expanded{\startcombination[#1]\the\scratchtoks}\stopcombination
+     {\appendetoks
+        {\pack_combinations_float_hack_a{\recurselevel}}%
+        {\pack_combinations_float_hack_b{\recurselevel}}%
+      \to\scratchtoks}% brrr
+     \let\pack_combinations_check_x_y\pack_combinations_float_check_x_y
+   \doifassignmentelse{#1}
+     {\expanded{\startcombination[#1]\the\scratchtoks}\stopcombination}%
+     {\expanded{\startcombination[#1]\the\scratchtoks}\stopcombination}%
    \resetlocalfloats
    \egroup}
 
diff --git a/tex/context/base/mkiv/status-files.pdf b/tex/context/base/mkiv/status-files.pdf
index f895df337..4a7516ffe 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 2a8de95c2..c99f701e7 100644
--- a/tex/context/base/mkiv/status-lua.pdf
+++ b/tex/context/base/mkiv/status-lua.pdf
diff --git a/tex/context/base/mkiv/strc-flt.mkvi b/tex/context/base/mkiv/strc-flt.mkvi
index 3ad2e86fc..5e31a2714 100644
--- a/tex/context/base/mkiv/strc-flt.mkvi
+++ b/tex/context/base/mkiv/strc-flt.mkvi
@@ -1385,8 +1385,11 @@
 \newdimen\d_strc_float_temp_height
 \newdimen\d_strc_float_temp_width
 
-\def\captionminwidth {15\bodyfontsize}
-\def\captionovershoot{2\emwidth}
+\newconditional\c_floats_adapt_to_caption_width
+\newconditional\c_floats_store_minimal_package
+
+\def\captionminwidth {15\bodyfontsize} % can become parameter (but what name)
+\def\captionovershoot{2\emwidth}       % can become parameter (but what name)
 
 \let\strc_floats_mark_pag_as_free\relax
 
@@ -1426,7 +1429,9 @@
    \or
      % manual
    \fi
-   \ifcase\c_strc_floats_rotation
+   \ifconditional\c_floats_store_minimal_package
+      % nothing
+   \else\ifcase\c_strc_floats_rotation
      \doifnotinset\v!margin\floatlocation % brr, really needed! see wm
        {\postcenterfloatbox\d_strc_floats_content
         \strc_floats_mark_pag_as_free}%
@@ -1435,7 +1440,7 @@
      \global\setbox\floatbox\vpack
        {\rotate[\c!rotation=\number\c_strc_floats_rotation]{\box\floatbox}}%
      \strc_floats_mark_pag_as_free
-   \fi
+   \fi\fi
    \egroup}
 
 \def\strc_floats_prepare_no_caption
@@ -1544,6 +1549,10 @@
    \fi
    \edef\captionhsize{\the\wd\b_strc_floats_content}%
    \scratchwidth\floatcaptionparameter\c!maxwidth\relax
+   \ifconditional\c_floats_adapt_to_caption_width
+     \let\captionminwidth \!!zeropoint
+     \let\captionovershoot\!!zeropoint
+   \fi
    \ifdim\captionhsize>\scratchwidth
      % float is wider than \hsize
      \setbox\b_strc_floats_caption\vbox
@@ -1571,6 +1580,9 @@
      \ifdim\captionhsize<\captionminwidth\relax
        \scratchdimen\captionminwidth % float smaller than min width
        \edef\captionhsize{\the\scratchdimen}%
+% \ifconditional\c_floats_adapt_to_caption_width
+%   \setbox\b_strc_floats_content\hpack to \captionhsize{\hss\box\b_strc_floats_content\hss}%
+% \fi
      \fi
      \setbox\scratchbox\vbox     % test with overshoot
        {\settrialtypesetting
@@ -1903,14 +1915,52 @@
   {\global\setbox\floatbox\vbox % pack ? probably not
      {\strc_floats_set_local_hsize
       \forgetall
-      \let\floatcaptionarrangement\s!default
-      \processcommacommand[\floatcaptionparameter\c!location]\strc_floats_build_box_step
-      \ifcsname\??floatbuilder\floatcaptionarrangement\endcsname
-        \lastnamedcs
+      \ifconditional\c_floats_store_minimal_package
+        \strc_floats_build_box_separate_make
       \else
-        \strc_floats_build_box_default
+        \let\floatcaptionarrangement\s!default
+        \processcommacommand[\floatcaptionparameter\c!location]\strc_floats_build_box_step
+        \ifcsname\??floatbuilder\floatcaptionarrangement\endcsname
+          \lastnamedcs
+        \else
+          \strc_floats_build_box_default
+        \fi
       \fi}}
 
+% special purpose: used in floatcombinations
+
+\newbox\b_strc_floats_separate_content
+\newbox\b_strc_floats_separate_caption
+
+\def\strc_floats_build_box_separate_set
+  {\settrue\c_floats_adapt_to_caption_width
+   \settrue\c_floats_store_minimal_package}
+
+\def\strc_floats_build_box_separate_make
+  {\offinterlineskip
+   \vpack to \onepoint{\box\b_strc_floats_content}\break
+   \vpack to \onepoint{\box\b_strc_floats_caption}}
+
+\def\strc_floats_build_box_separate_split#1%
+  {\setbox\scratchbox\vbox{%
+     \setbox\scratchbox\vpack{#1}%
+     \unvbox\scratchbox\relax
+     \setbox\scratchbox\lastbox
+    %\doloop{%
+        \unvbox\scratchbox
+        \setbox\scratchbox\lastbox
+    %   \ifdim\ht\scratchbox=2\onepoint
+          \unvbox\scratchbox
+          \setbox\scratchbox\lastbox
+    %     \exitloop
+    %   \fi}%
+     \splittopskip\zeropoint
+     \global\setbox\b_strc_floats_separate_content\vsplit\scratchbox to \onepoint
+     \global\setbox\b_strc_floats_separate_caption\vsplit\scratchbox to \onepoint
+     \global\setbox\b_strc_floats_separate_content\vpack{\unvbox\b_strc_floats_separate_content\setbox0\lastbox\unvbox0}%
+     \global\setbox\b_strc_floats_separate_caption\tpack{\unvbox\b_strc_floats_separate_caption\setbox0\lastbox\unvbox0}%
+   }}
+
 % \def\strc_floats_build_box_step#1%
 %   {\doifdefined{\??floatbuilder#1}{\def\floatcaptionarrangement{#1}\quitcommalist}}
 
@@ -2116,13 +2166,17 @@
      \fi
      \strc_floats_set_local_dimensions
      \global\advance\totalnoffloats\plusone
-     \setbox\floatbox\hpack{\strc_float_save_data\box\floatbox}% still needed? we will do renumbering differently
+     \ifconditional\c_floats_store_minimal_package \else
+       \setbox\floatbox\hpack{\strc_float_save_data\box\floatbox}% still needed? we will do renumbering differently
+     \fi
      \global\floatheight\htdp\floatbox
      \global\floatwidth\wd\floatbox
-     \doifnotinset\v!margin\floatlocation % gaat namelijk nog fout
-       {\setbox\floatbox\vpack
-          {\parindent\zeropoint
-           \box\floatbox}}%
+     \ifconditional\c_floats_store_minimal_package \else
+       \doifnotinset\v!margin\floatlocation % gaat namelijk nog fout
+         {\setbox\floatbox\vpack
+            {\parindent\zeropoint
+             \box\floatbox}}%
+     \fi
      \wd\floatbox\floatwidth
      \ifdim\dimexpr\floatheight+\lineheight\relax<\textheight \else
        \global\floatheight\dimexpr\textheight-\lineheight\relax
diff --git a/tex/context/base/mkiv/syst-ini.mkiv b/tex/context/base/mkiv/syst-ini.mkiv
index 380f94e6d..080cffafc 100644
--- a/tex/context/base/mkiv/syst-ini.mkiv
+++ b/tex/context/base/mkiv/syst-ini.mkiv
@@ -1199,4 +1199,6 @@
 \ifdefined\prebinoppenalty        \else \newcount\prebinoppenalty   \fi
 \ifdefined\prerelpenalty          \else \newcount\prerelpenalty     \fi
 
+\ifdefined\breakafterdirmode      \else \newcount\breakafterdirmode \fi
+
 \protect \endinput
diff --git a/tex/context/base/mkiv/typo-dir.mkiv b/tex/context/base/mkiv/typo-dir.mkiv
index c5fd6fa41..eaff408ba 100644
--- a/tex/context/base/mkiv/typo-dir.mkiv
+++ b/tex/context/base/mkiv/typo-dir.mkiv
@@ -81,11 +81,17 @@
     \fi
 \to \everysetupdirections
 
+\appendtoks
+    \edef\p_option{\directionsparameter\c!break}% name can change
+    \breakafterdirmode\ifx\p_option\v!both\plusone\else\zerocount\fi
+\to \everysetupdirections
+
 % bidi: local=obey grouping, global=ignore grouping (unicode has no grouping)
 
 \setupdirections % maybe start/stop
   [\c!bidi=\v!off,
    \c!method=\v!default,
+   \c!break=\v!both, % experimental value, maybe \v!no will be default (bad name too)
    \c!fences=\v!yes]
 
 \unexpanded\edef\bidilre{\normalUchar"202A} % maybe \edef's
diff --git a/tex/context/interface/mkii/keys-fr.xml b/tex/context/interface/mkii/keys-fr.xml
index db6e35ac6..2f2746a52 100644
--- a/tex/context/interface/mkii/keys-fr.xml
+++ b/tex/context/interface/mkii/keys-fr.xml
@@ -693,6 +693,7 @@
 		<cd:constant name='bottomoffset' value='decalageinf'/>
 		<cd:constant name='bottomspace' value='espaceinf'/>
 		<cd:constant name='bottomstate' value='etatinf'/>
+		<cd:constant name='break' value='break'/>
 		<cd:constant name='buffer' value='buffer'/>
 		<cd:constant name='cache' value='cache'/>
 		<cd:constant name='calculate' value='calculer'/>
diff --git a/tex/context/interface/mkiv/context-en.xml b/tex/context/interface/mkiv/context-en.xml
index 328dd8143..b6308269d 100644
--- a/tex/context/interface/mkiv/context-en.xml
+++ b/tex/context/interface/mkiv/context-en.xml
@@ -7580,6 +7580,10 @@
       <cd:constant default="yes" type="yes"/>
       <cd:constant type="no"/>
      </cd:parameter>
+     <cd:parameter name="break">
+      <cd:constant default="yes" type="both"/>
+      <cd:constant type="before"/>
+     </cd:parameter>
     </cd:assignments>
    </cd:arguments>
   </cd:command>
diff --git a/tex/context/interface/mkiv/i-context.pdf b/tex/context/interface/mkiv/i-context.pdf
index 0a55fc4cc..03a1906e2 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-direction.xml b/tex/context/interface/mkiv/i-direction.xml
index ad266db6b..c8017d25f 100644
--- a/tex/context/interface/mkiv/i-direction.xml
+++ b/tex/context/interface/mkiv/i-direction.xml
@@ -22,6 +22,10 @@
                     <cd:constant type="yes" default="yes"/>
                     <cd:constant type="no"/>
                 </cd:parameter>
+                <cd:parameter name="break">
+                    <cd:constant type="both" default="yes"/>
+                    <cd:constant type="before"/>
+                </cd:parameter>
             </cd:assignments>
         </cd:arguments>
     </cd:command>
diff --git a/tex/context/interface/mkiv/i-readme.pdf b/tex/context/interface/mkiv/i-readme.pdf
index ec3987b83..13cb46287 100644
--- a/tex/context/interface/mkiv/i-readme.pdf
+++ b/tex/context/interface/mkiv/i-readme.pdf