14 files changed, 64 insertions, 60 deletions
diff --git a/tex/context/base/cont-new.mkii b/tex/context/base/cont-new.mkii
index 8a9337707..cdaa6555b 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{2012.01.02 19:23}
+\newcontextversion{2012.01.02 21:59}
 
 %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 1cd0e3508..f15350801 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{2012.01.02 19:23}
+\newcontextversion{2012.01.02 21:59}
 
 %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/context-version.pdf b/tex/context/base/context-version.pdf
index b3213bb61..2b75912ca 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 a273c3c82..3f70be95d 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 77a02c426..e6112b831 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{2012.01.02 19:23}
+\edef\contextversion{2012.01.02 21:59}
 
 %D For those who want to use this:
 
diff --git a/tex/context/base/context.mkiv b/tex/context/base/context.mkiv
index a19eecf9c..b9b1a545d 100644
--- a/tex/context/base/context.mkiv
+++ b/tex/context/base/context.mkiv
@@ -23,7 +23,7 @@
 %D up and the dependencies are more consistent.
 
 \edef\contextformat {\jobname}
-\edef\contextversion{2012.01.02 19:23}
+\edef\contextversion{2012.01.02 21:59}
 
 %D For those who want to use this:
 
diff --git a/tex/context/base/spac-ver.lua b/tex/context/base/spac-ver.lua
index bb5a3f7f8..f9ef14da1 100644
--- a/tex/context/base/spac-ver.lua
+++ b/tex/context/base/spac-ver.lua
@@ -8,6 +8,8 @@ if not modules then modules = { } end modules ['spac-ver'] = {
 
 -- we also need to call the spacer for inserts!
 
+-- todo: directly set skips
+
 -- this code dates from the beginning and is kind of experimental; it
 -- will be optimized and improved soon
 --
diff --git a/tex/context/base/spac-ver.mkiv b/tex/context/base/spac-ver.mkiv
index 4a37b0a3a..a84b49a18 100644
--- a/tex/context/base/spac-ver.mkiv
+++ b/tex/context/base/spac-ver.mkiv
@@ -17,19 +17,6 @@
 
 \registerctxluafile{spac-ver}{1.001}
 
-\newskip\blankskip \blankskip=\bigskipamount
-
-\def\skipfactor    {.75}
-\def\skipgluefactor{.25}
-
-\def\normalskipamount
-  {\openlineheight
-     \ifgridsnapping \else \ifblankflexible
-       \!!plus \skipgluefactor\openlineheight
-       \!!minus\skipgluefactor\openlineheight
-     \fi \fi
-   \relax}
-
 %D There are two ways to influence the interline spacing. The
 %D most general and often most consistent way is using
 %D
@@ -61,7 +48,18 @@
 
 \newif\iflocalinterlinespace
 
-% font-ini
+\newskip\s_spac_vspacing_temp \s_spac_vspacing_temp\bigskipamount
+
+\def\skipfactor    {.75}
+\def\skipgluefactor{.25}
+
+\def\normalskipamount
+  {\openlineheight
+     \ifgridsnapping \else \ifblankflexible
+       \!!plus \skipgluefactor\openlineheight
+       \!!minus\skipgluefactor\openlineheight
+     \fi \fi
+   \relax}
 
 \ifx\bodyfontinterlinespecs\undefined
 
@@ -70,7 +68,7 @@
 
 \fi
 
-\def\presetnormallineheight % each bodyfont
+\unexpanded\def\presetnormallineheight % each bodyfont
   {\edef\normallineheight{\interlinespaceparameter\c!line}%
   %done elsewhere : \spacing\!!plusone % new per 10/08/2004, else problems in otr / !! needed
    \iflocalinterlinespace \else
@@ -79,41 +77,43 @@
           {\edef\normallineheight{\bodyfontinterlinespace}}}%
    \fi}
 
-% to be tested:
+% check and test:
 %
-% \def\presetnormallineheight % each bodyfont
+% \let\m_spac_linespacing_asked\empty
+%
+% \unexpanded\def\presetnormallineheight % each bodyfont
 %   {\iflocalinterlinespace
-%      \spac_basics_set_lineheight_regular
+%      \spac_linespacing_set_lineheight_regular
 %    \else
-%      \spac_basics_set_lineheight_checked
+%      \spac_linespacing_set_lineheight_checked
 %    \fi}
 %
-% \def\spac_basics_set_lineheight_regular
+% \def\spac_linespacing_set_lineheight_regular
 %   {\edef\normallineheight{\interlinespaceparameter\c!line}}
 %
-% \def\spac_basics_set_lineheight_checked
-%   {\edef\askedbodyfontinterlinespecs{\bodyfontvariable{\normalizedbodyfontsize\c!interlinespace}}%
-%    \ifcsname\askedbodyfontinterlinespecs\endcsname
-%      \spac_basics_set_lineheight_specific
+% \def\spac_linespacing_set_lineheight_checked
+%   {\edef\m_spac_linespacing_asked{\bodyfontvariable{\normalizedbodyfontsize\c!interlinespace}}%
+%    \ifcsname\m_spac_linespacing_asked\endcsname
+%      \spac_linespacing_set_lineheight_specific
 %    \else
-%      \spac_basics_set_lineheight_regular
+%      \spac_linespacing_set_lineheight_regular
 %    \fi}
 %
-% \def\spac_basics_set_lineheight_specific
-%   {\edef\askedbodyfontinterlinespace{\csname\bodyfontinterlinespecs\endcsname}%
-%    \ifx\askedbodyfontinterlinespace\empty
-%      \spac_basics_set_lineheight_regular
+% \def\spac_linespacing_set_lineheight_specific
+%   {\edef\m_spac_linespacing_asked{\csname\bodyfontinterlinespecs\endcsname}%
+%    \ifx\m_spac_linespacing_asked\empty
+%      \spac_linespacing_set_lineheight_regular
 %    \else
-%      \let\normallineheight\askedbodyfontinterlinespace
+%      \let\normallineheight\m_spac_linespacing_asked
 %    \fi}
 
 \let\currentrelativeinterlinespace\empty
 
 \unexpanded\def\setupspecifiedinterlinespace[#1]%
   {\getparameters[\??it\currentinterlinespace][#1]%
-   \dosetupspecifiedinterlinespaceindeed}
+   \spac_linespacing_setup_specified_interline_space}
 
-\def\dosetupspecifiedinterlinespaceindeed
+\def\spac_linespacing_setup_specified_interline_space
   {\edef\strutheightfactor  {\interlinespaceparameter\c!height   }%
    \edef\strutdepthfactor   {\interlinespaceparameter\c!depth    }%
    \edef\minimumstrutheight {\interlinespaceparameter\c!minheight}%
@@ -132,35 +132,37 @@
 
 \installcorenamespace{interlinespacerelative}
 
+\let\setrelativeinterlinespace\relax % used elsewhere
+
 \setvalue{\??interlinespacerelative\v!on   }{\oninterlineskip}
 \setvalue{\??interlinespacerelative\v!off  }{\offinterlineskip}
 \setvalue{\??interlinespacerelative\v!reset}{\let\currentrelativeinterlinespace\empty
                                              \let\setrelativeinterlinespace\relax
                                              \setfontparameters}
-\setvalue{\??interlinespacerelative\v!auto }{\let\setrelativeinterlinespace\dosetrelativeinterlinespace}
+\setvalue{\??interlinespacerelative\v!auto }{\let\setrelativeinterlinespace\spac_linespacing_set_relative_interlinespace}
 
-\def\dosetspecifiedrelativeinterlinespace#1% fragile?
+\def\spac_linespacing_set_specified_relative_interlinespace#1% fragile?
   {\doifdimenstringelse{#1}
      {\setupspecifiedinterlinespace[\c!line=#1]}
      {\assignvalue{#1}\currentrelativeinterlinespace{1.00}{1.25}{1.50}%
       \spacing\currentrelativeinterlinespace}}
 
 \unexpanded\def\setuprelativeinterlinespace[#1]%
-  {\processcommalist[#1]\dosetuprelativeinterlinespace}
+  {\processcommalist[#1]\spac_linespacing_setup_relative_interlinespace}
 
-\def\dosetuprelativeinterlinespace#1%
+\def\spac_linespacing_setup_relative_interlinespace#1%
   {\ifcsname\??interlinespacerelative#1\endcsname
      \csname\??interlinespacerelative#1\endcsname
    \else
-     \dosetspecifiedrelativeinterlinespace{#1}%
+     \spac_linespacing_set_specified_relative_interlinespace{#1}%
    \fi}
 
-\def\dosetrelativeinterlinespace
+\def\spac_linespacing_set_relative_interlinespace
   {\ifx\currentrelativeinterlinespace\empty\else
      \spacing\currentrelativeinterlinespace
    \fi}
 
-\let\setrelativeinterlinespace\relax
+% todo: use command handler here
 
 \newtoks\everysetupglobalinterlinespace
 \newtoks\everysetuplocalinterlinespace
@@ -1471,7 +1473,7 @@
 \newconditional\someblankdone
 
 \appendtoks
-    \blankskip\zeropoint
+    \s_spac_vspacing_temp\zeropoint
     \attribute\skipcategoryattribute\plusone
     \attribute\skippenaltyattribute \attributeunsetvalue
     \attribute\skiporderattribute   \attributeunsetvalue
@@ -1483,11 +1485,11 @@
 \to \everybeforeblankhandling
 
 \appendtoks
-    \ifconditional\blankisfixed
-        \blankskip1\blankskip
-    \else
-        \blankskip1\blankskip\!!plus\skipgluefactor\blankskip\!!minus\skipgluefactor\blankskip
-    \fi
+    \s_spac_vspacing_temp\plusone\s_spac_vspacing_temp
+      \ifconditional\blankisfixed \else
+        \!!plus \skipgluefactor\s_spac_vspacing_temp
+        \!!minus\skipgluefactor\s_spac_vspacing_temp
+      \fi
 \to \everyafterblankhandling
 
 % \ifgridsnapping will go
@@ -1515,7 +1517,7 @@
 
 \def\addblankskip#1#2#3%
   {\settrue\someblankdone
-   \advance\blankskip#1\dimexpr\ifgridsnapping#3\else#2\fi\relax\relax}
+   \advance\s_spac_vspacing_temp#1\dimexpr\ifgridsnapping#3\else#2\fi\relax\relax}
 
 \def\setblankpenalty #1%
   {\flushblankhandling
@@ -1543,14 +1545,14 @@
 \unexpanded\def\stopblankhandling
   {\the\everyafterblankhandling
    \ifconditional\someblankdone
-     \vskip\blankskip
+     \vskip\s_spac_vspacing_temp
    \fi
    \endgroup}
 
 \def\flushblankhandling
   {\the\everyafterblankhandling
    \ifconditional\someblankdone
-     \vskip\blankskip
+     \vskip\s_spac_vspacing_temp
    \fi
    \setfalse\someblankdone
    \the\everybeforeblankhandling}
@@ -1568,11 +1570,11 @@
 
 \def\addpredefinedblankskip#1#2%
   {\settrue\someblankdone
-   \advance\blankskip#1\dimexpr\csname\??vspacingamount#2\endcsname\relax}
+   \advance\s_spac_vspacing_temp#1\dimexpr\csname\??vspacingamount#2\endcsname\relax}
 
 \def\addaskedblankskip#1#2%
   {\settrue\someblankdone
-   \advance\blankskip#1\dimexpr#2\relax}
+   \advance\s_spac_vspacing_temp#1\dimexpr#2\relax}
 
 \unexpanded\def\definevspacing
   {\dodoubleempty\dodefinevspacing}
diff --git a/tex/context/base/status-files.pdf b/tex/context/base/status-files.pdf
index 896cfc66a..2450c93b4 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 ead91c158..5c297c1ff 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 524f8e602..27e65c475 100644
--- a/tex/context/base/status-mkiv.lua
+++ b/tex/context/base/status-mkiv.lua
@@ -575,6 +575,7 @@ return {
             filename = "spac-ver",
             marktype = "mkiv",
             status   = "unknown",
+            comment  = "update lua code (communicate via register)"
         },
         {
             filename = "spac-pag",
diff --git a/tex/context/base/status-mkiv.tex b/tex/context/base/status-mkiv.tex
index 82a737f43..4c764e4f7 100644
--- a/tex/context/base/status-mkiv.tex
+++ b/tex/context/base/status-mkiv.tex
@@ -92,7 +92,8 @@
     local valid = table.tohash {
         "toks", "attr", "page", "buff", "font", "colo", "phys", "supp", "typo", "strc",
         "syst", "tabl", "spac", "scrn", "lang", "lxml", "mlib", "java", "pack", "math",
-        "symb", "grph", "anch", "luat", "mult", "back", "node", "meta", "module",
+        "symb", "grph", "anch", "luat", "mult", "back", "node", "meta",
+        "module",
     }
 
     context.startsubject { title = "Valid prefixes" }
diff --git a/tex/context/base/tabl-xtb.mkvi b/tex/context/base/tabl-xtb.mkvi
index 1f5ce8a18..6ddaf39e0 100644
--- a/tex/context/base/tabl-xtb.mkvi
+++ b/tex/context/base/tabl-xtb.mkvi
@@ -156,16 +156,14 @@
    \buff_pickup{\tabl_x_current_buffer}{startxtable}{stopxtable}\relax\tabl_x_process}
 
 \unexpanded\def\processxtablebuffer
-  {\dosingleempty\tabl_x_process_buffer}
-
-\let\tabl_x_normal_start\tabl_x_start_table
+  {\dosingleempty\tabl_x_process_buffer_directly}
 
 % These direct buffers can be somewhat faster but it's probably neglectable.
 % Anyway, no nesting is supported as we then need to catch (e.g.) rows and
 % keep track of nesting and have a more complex redefinition of nested
 % instanced \unknown\ it's not worth the trouble.
 
-\def\tabl_x_process_buffer[#name]%
+\def\tabl_x_process_buffer_directly[#name]%
   {\bgroup
    \let\tabl_x_start_table\tabl_x_process_buffer
    \edef\tabl_x_current_buffer{#name}%
diff --git a/tex/generic/context/luatex/luatex-fonts-merged.lua b/tex/generic/context/luatex/luatex-fonts-merged.lua
index 25176c36c..d609ca635 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  : 01/02/12 19:23:09
+-- merge date  : 01/02/12 21:59:34
 
 do -- begin closure to overcome local limits and interference