12 files changed, 50 insertions, 31 deletions
diff --git a/tex/context/base/context-version.pdf b/tex/context/base/context-version.pdf
index 6cafd4a4b..52d12f53d 100644
--- a/tex/context/base/context-version.pdf
+++ b/tex/context/base/context-version.pdf
diff --git a/tex/context/base/mkiv/cont-new.mkiv b/tex/context/base/mkiv/cont-new.mkiv
index 7384ff407..fe4f9be2a 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{2016.08.29 11:16}
+\newcontextversion{2016.08.29 22:53}
 
 %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 2b669be98..16de7726b 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{2016.08.29 11:16}
+\edef\contextversion{2016.08.29 22:53}
 \edef\contextkind   {beta}
 
 %D For those who want to use this:
diff --git a/tex/context/base/mkiv/math-ali.mkiv b/tex/context/base/mkiv/math-ali.mkiv
index 497712818..404fddcc6 100644
--- a/tex/context/base/mkiv/math-ali.mkiv
+++ b/tex/context/base/mkiv/math-ali.mkiv
@@ -156,8 +156,8 @@
         \tabskip\centering
         \aligntab
         \span
-        \rlap{\math_text_in_eqalign{\alignmark\alignmark}}%
-      % \math_text_in_eqalign{\alignmark\alignmark}%
+      % \rlap{\math_text_in_eqalign{\alignmark\alignmark}}%
+        \math_text_in_eqalign{\alignmark\alignmark}%
         \tabskip\zeropoint}%
    \fi\fi
    \global\mathnumberstatus\zerocount
@@ -218,14 +218,8 @@
    \the\mathdisplayaligntweaks
    \tabskip\centering}
 
-
 \def\math_halign_checked
-   {\halign
-       \ifnum\c_strc_formulas_mode=\plustwo
-         % currently there is no need for width juggling
-       \else
-          \ifcase\eqalignmode \or to \checkeddisplaywidth \fi
-       \fi}
+   {\halign \ifcase\eqalignmode \or to \checkeddisplaywidth \fi}
 
 \def\math_both_eqalign_no_normal#1#2%
   {\ifmmode
diff --git a/tex/context/base/mkiv/status-files.pdf b/tex/context/base/mkiv/status-files.pdf
index fda2e5c5f..d9d58d670 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 a4b5cbf32..cda7a8d2e 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-mat.mkiv b/tex/context/base/mkiv/strc-mat.mkiv
index cac96d2c4..b0e37f987 100644
--- a/tex/context/base/mkiv/strc-mat.mkiv
+++ b/tex/context/base/mkiv/strc-mat.mkiv
@@ -547,7 +547,7 @@
 \newdimen\d_strc_formulas_display_pre_threshold
 \newdimen\d_strc_formulas_display_width
 
-\newconstant\c_strc_formulas_mode
+\newconstant\c_strc_formulas_mode      % this will go away
 \newconstant\c_strc_formulas_space_model
 
 \c_strc_formulas_mode       \plustwo   % 0=native 1=simple (old) 2=align (new)
diff --git a/tex/context/base/mkiv/tabl-ntb.mkiv b/tex/context/base/mkiv/tabl-ntb.mkiv
index 8dad83b29..aeef22326 100644
--- a/tex/context/base/mkiv/tabl-ntb.mkiv
+++ b/tex/context/base/mkiv/tabl-ntb.mkiv
@@ -1187,7 +1187,7 @@
    \global\let\m_tabl_ntb_same_page   \empty}
 
 \def\tabl_ntb_prelocate_error
-  {\writestatus\m!system{fatal error: use \string\prelocateTBLrows\space to increase table memory (now: \the\c_tabl_prelocated_rows)}}
+  {\writestatus\m!TABLE{fatal error: use \string\prelocateTBLrows\space to increase table memory (now: \the\c_tabl_prelocated_rows)}}
 
 % \prelocateTBLrows{1000} % may speed up large tables
 
@@ -1479,6 +1479,20 @@
 
 \let\tabl_ntb_preroll\relax
 
+\def\tabl_ntb_table_get_max_width#1#2%
+  {#1\wd#2\relax}
+
+% first needs testing (in projects):
+%
+% \def\tabl_ntb_table_get_max_width#1#2%
+%   {#1\zeropoint
+%    \dorecurse\c_tabl_ntb_maximum_col
+%      {\advance#1\tabl_ntb_get_wid\recurselevel
+%       \advance#1\tabl_ntb_get_dis\recurselevel}%
+%    \ifdim#1<\wd#2\relax
+%      #1\wd#2\relax
+%    \fi}
+
 \def\tabl_ntb_table_stop
   {\forgetall % new, here see narrower-004.tex
   %\setbox\scratchbox\hbox
@@ -1501,11 +1515,12 @@
    \dorecurse\c_tabl_ntb_maximum_row
      {\tabl_ntb_let_hei\recurselevel\maxdimen}%
    \tabl_ntb_let_gal\zerocount
-\tabl_ntb_preroll\relax
+   \tabl_ntb_preroll\relax
    \c_tabl_tbl_pass\plusone
    \let\tabl_ntb_pass\tabl_ntb_pass_one
    \let\tabl_ntb_cell_process\tabl_ntb_cell_process_a
    \setbox\scratchbox\vbox{\settrialtypesetting \tabl_ntb_flush_content}%
+   \writestatus\m!TABLE{!!\the\wd\scratchbox}%
    \ifcase\tabl_ntb_get_gal\or
     % \c_tabl_tbl_pass\plusone
     % \let\tabl_ntb_pass\tabl_ntb_pass_one
@@ -1513,6 +1528,9 @@
       \setbox\scratchbox\vbox{\settrialtypesetting \tabl_ntb_flush_content}%
    \fi
    \tabl_ntb_let_dis\c_tabl_ntb_maximum_col\zeropoint
+   %
+   \tabl_ntb_table_get_max_width\scratchdimen\scratchbox
+   %
    \ifautoTBLspread
      % experimental, stretch non fixed cells to \hsize
      \tabl_ntb_check_widths_one   % trial run
@@ -1520,7 +1538,8 @@
      \tabl_ntb_stretch_widths
      \let\tabl_ntb_cell_process\tabl_ntb_cell_process_b
      \setbox\scratchbox\vbox{\settrialtypesetting \tabl_ntb_flush_content}%
-   \else\ifdim\wd\scratchbox>\hsize
+ % \else\ifdim\wd\scratchbox>\hsize
+   \else\ifdim\scratchdimen>\hsize
      \ifautoTBLhsize
        \tabl_ntb_check_widths_one % trial run
        \tabl_ntb_check_widths_two % real run
@@ -1534,7 +1553,8 @@
        \writestatus\m!TABLE{missing\space\number\numexpr\c_tabl_ntb_maximum_col-\c_tabl_ntb_encountered_max\relax\space column(s), guessing widths}%
      \fi
      \edef\savedhsize{\the\hsize}%
-     \hsize\wd\scratchbox\relax % new per 17/04/2006
+   % \hsize\wd\scratchbox\relax % new per 17/04/2006
+     \hsize\scratchdimen\relax % new per 17/04/2006
      \tabl_ntb_check_widths_one % trial run
      \tabl_ntb_check_widths_two % real run
      \hsize\savedhsize
@@ -1593,11 +1613,12 @@
  % \hbox{\registerparoptions\box\b_tabl_ntb_final}% (*) better here
  % better :
    \ifinsidefloat
-     % nothing, else we get a \hsized box
+     % no \dontleavehmode else too wide, otherwise we get a \hsized box
    \else
      \registerparoptions % (*) better here (also does a \dontleavehmode)
+     \ifhmode\else\dontleavehmode\fi
    \fi
-   \dontleavehmode\box\b_tabl_ntb_final
+   \box\b_tabl_ntb_final
    \afterTABLEbox}
 
 \def\tabl_tbl_split_yes
@@ -1652,11 +1673,11 @@
 \let\beforeTABLEbox     \relax
 \let\afterTABLEbox      \relax
 
-\def\tabl_ntb_check_widths_one{\tabl_ntb_check_widths_indeed0} % 0 = trial run
-\def\tabl_ntb_check_widths_two{\tabl_ntb_check_widths_indeed1} % 1 = real run
+\def\tabl_ntb_check_widths_one{\tabl_ntb_check_widths_indeed\zerocount} % 0 = trial run
+\def\tabl_ntb_check_widths_two{\tabl_ntb_check_widths_indeed\plusone  } % 1 = real run
 
 \def\tabl_ntb_check_widths_indeed#1%
-  {\iftraceTABLE\tabl_ntb_show_widths{B#1}\fi
+  {\iftraceTABLE\tabl_ntb_show_widths B#1\fi
    \!!counta\zerocount
    \!!dimena\dimexpr
      \hsize
@@ -1689,6 +1710,7 @@
           \fi
         \fi
       \fi}%
+   \iftraceTABLE\tabl_ntb_show_widths M#1\fi
    \ifcase\!!counta \else \divide\!!dimena \!!counta \fi
    \dorecurse\c_tabl_ntb_maximum_col
      {\scratchdimen\tabl_ntb_get_wid\recurselevel\relax
@@ -1701,7 +1723,7 @@
           \tabl_ntb_set_wid\recurselevel{\the\!!dimena}%
         \fi
       \fi}%
-   \iftraceTABLE\tabl_ntb_show_widths{E#1}\fi}
+   \iftraceTABLE\tabl_ntb_show_widths E#1\fi}
 
 \def\tabl_ntb_check_heights_one_indeed
   {\!!countb\tabl_ntb_get_row\c_tabl_ntb_current_row_three\c_tabl_ntb_current_col_three\relax
@@ -1774,13 +1796,15 @@
 \def\tabl_ntb_check_heights_two
   {}
 
-\def\tabl_ntb_show_widths#1%
-  {\vbox
-     {\forgetall
-      \tttf[#1]%
-      \dorecurse\c_tabl_ntb_maximum_col
-        {\scratchdimen\tabl_ntb_get_wid\recurselevel\relax
-         [\recurselevel:\the\scratchdimen]}}}
+\def\tabl_ntb_show_widths#1#2%
+  {\begingroup
+   \scratchdimen\zeropoint
+   \dorecurse\c_tabl_ntb_maximum_col
+     {\advance\scratchdimen\tabl_ntb_get_wid\recurselevel\relax}%
+   \writestatus\m!TABLE{#1 \ifcase#2trial\else real\fi: hsize: \the\hsize, total: \the\scratchdimen}%
+   \dorecurse\c_tabl_ntb_maximum_col
+     {\writestatus\m!TABLE{\space\space\recurselevel: \the\dimexpr\tabl_ntb_get_wid\recurselevel}}%
+   \endgroup}
 
 % \def\tabl_ntb_char_align
 %   {\doifelse{\naturaltablelocalparameter\c!aligncharacter}\v!yes
diff --git a/tex/context/interface/mkiv/i-context.pdf b/tex/context/interface/mkiv/i-context.pdf
index 5f7088b13..bd9315e2b 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 ed7937f2e..be0a3f632 100644
--- a/tex/context/interface/mkiv/i-readme.pdf
+++ b/tex/context/interface/mkiv/i-readme.pdf
diff --git a/tex/generic/context/luatex/luatex-fonts-merged.lua b/tex/generic/context/luatex/luatex-fonts-merged.lua
index c680531d6..06990de3c 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 : c:/data/develop/context/sources/luatex-fonts-merged.lua
 -- parent file : c:/data/develop/context/sources/luatex-fonts.lua
--- merge date  : 08/29/16 11:16:30
+-- merge date  : 08/29/16 22:53:15
 
 do -- begin closure to overcome local limits and interference
 
diff --git a/tex/generic/context/luatex/luatex-swiglib-test.lua b/tex/generic/context/luatex/luatex-swiglib-test.lua
index db6a72909..0bca2a818 100644
--- a/tex/generic/context/luatex/luatex-swiglib-test.lua
+++ b/tex/generic/context/luatex/luatex-swiglib-test.lua
@@ -1,4 +1,5 @@
-local gm = swiglib("gmwand.core")
+local gm = require("swiglib.gmwand.core")
+-- local gm = swiglib("gmwand.core")
 
 gm.InitializeMagick(".")