beta 2012.11.26 13:31

30 files changed, 534 insertions, 326 deletions

diff --git a/tex/context/base/char-ini.lua b/tex/context/base/char-ini.lua
index 6e14982c7..70e893b2c 100644
--- a/tex/context/base/char-ini.lua
+++ b/tex/context/base/char-ini.lua
@@ -717,7 +717,15 @@ characters.activeoffset = 0x10000 -- there will be remapped in that byte range
 --     entities.gt  = utfchar(characters.activeoffset + utfbyte(">"))
 -- end
 
--- some day we will make a table
+-- -- some day we will make a table .. not that many calls to utfchar
+--
+-- local utfchar = utf.char
+-- local utfbyte = utf.byte
+-- local utfbytes = { }
+-- local utfchars = { }
+--
+-- table.setmetatableindex(utfbytes,function(t,k) local v= utfchar(k) t[k] = v return v end)
+-- table.setmetatableindex(utfchars,function(t,k) local v= utfbyte(k) t[k] = v return v end)
 
 local function utfstring(s)
     if type(s) == "table" then
diff --git a/tex/context/base/colo-ini.lua b/tex/context/base/colo-ini.lua
index e08f3d387..51f66025e 100644
--- a/tex/context/base/colo-ini.lua
+++ b/tex/context/base/colo-ini.lua
@@ -428,9 +428,6 @@ function colors.definemultitonecolor(name,multispec,colorspec,selfspec)
     if max > 0 then
         nn = concat(nn,'_')
         local parent = gsub(lower(nn),"[^%d%a%.]+","_")
---~         if max == 2 and (not colorspec or colorspec == "") then
---~             colors.defineduocolor(parent,pp[1],l_color[dd[1]],pp[2],l_color[dd[2]],true,true)
---~         elseif (not colorspec or colorspec == "") then
         if not colorspec or colorspec == "" then
             local cc = { } for i=1,max do cc[i] = l_color[dd[i]] end
             colors.definemixcolor(parent,pp,cc,global,freeze) -- can become local
@@ -442,11 +439,8 @@ function colors.definemultitonecolor(name,multispec,colorspec,selfspec)
         end
         local cp = attributes_list[a_color][parent]
         dd, pp = concat(dd,','), concat(pp,',')
---~ print(name,multispec,colorspec,selfspec)
---~ print(parent,max,cp)
         if cp then
             do_registerspotcolor(parent, name, cp, "", max, dd, pp)
---~             do_registermultitonecolor(parent, name, cp, "", max, dd, pp) -- done in previous ... check it
             definecolor(name, register_color(name, 'spot', parent, max, dd, pp), true)
             local t = settings_to_hash_strict(selfspec)
             if t and t.a and t.t then
diff --git a/tex/context/base/cont-new.mkii b/tex/context/base/cont-new.mkii
index 1156b3e27..d5f90c684 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{2012.11.23 17:35}
+\newcontextversion{2012.11.26 13:31}
 
 %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 06127c68b..10fba7f40 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{2012.11.23 17:35}
+\newcontextversion{2012.11.26 13:31}
 
 %D This file is loaded at runtime, thereby providing an excellent place for
 %D hacks, patches, extensions and new features.
@@ -20,6 +20,8 @@
 
 \writestatus\m!system{beware: some patches loaded from cont-new.mkiv}
 
+% \attribute152\zerocount : marks ... lots of sweeps so best early in list
+
 %D Maybe:
 
 \unexpanded\def\tightvbox{\dowithnextbox{\dp\nextbox\zeropoint\box\nextbox}\vbox}
diff --git a/tex/context/base/context-version.pdf b/tex/context/base/context-version.pdf
index d17c41110..f8855c59a 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 43687ee49..db92e1e14 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 9520ff3ff..a083e5911 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{2012.11.23 17:35}
+\edef\contextversion{2012.11.26 13:31}
 
 %D For those who want to use this:
 
diff --git a/tex/context/base/context.mkiv b/tex/context/base/context.mkiv
index 3f6175d13..afe46d69c 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{2012.11.23 17:35}
+\edef\contextversion{2012.11.26 13:31}
 
 %D For those who want to use this:
 
diff --git a/tex/context/base/data-ini.lua b/tex/context/base/data-ini.lua
index 773490785..a952a29bd 100644
--- a/tex/context/base/data-ini.lua
+++ b/tex/context/base/data-ini.lua
@@ -227,9 +227,11 @@ resolvers.settrace(osgetenv("MTX_INPUT_TRACE"))
 
 -- todo:
 
--- if profiler and osgetenv("MTX_PROFILE_RUN") == "YES" then
---     profiler.start("luatex-profile.log")
--- end
+if profiler then
+    directives.register("system.profile",function()
+        profiler.start("luatex-profile.log")
+    end)
+end
 
 -- a forward definition
 
diff --git a/tex/context/base/file-job.lua b/tex/context/base/file-job.lua
index 6be901a9f..fda4f27da 100644
--- a/tex/context/base/file-job.lua
+++ b/tex/context/base/file-job.lua
@@ -771,7 +771,7 @@ function document.getargument(key,default) -- commands
 end
 
 function document.getfilename(i) -- commands
-    context(document.files[i] or "")
+    context(document.files[tonumber(i)] or "")
 end
 
 function commands.getcommandline() -- has to happen at the tex end in order to expand
diff --git a/tex/context/base/font-chk.lua b/tex/context/base/font-chk.lua
index 7536a3e09..4bedf7ace 100644
--- a/tex/context/base/font-chk.lua
+++ b/tex/context/base/font-chk.lua
@@ -169,6 +169,7 @@ local function addmissingsymbols(tfmdata) -- we can have an alternative with rul
                         width    = size*fake.width,
                         height   = size*fake.height,
                         depth    = size*fake.depth,
+                        -- bah .. low level pdf ... should be a rule or plugged in
                         commands = { { "special", "pdf: " .. format(package,scale,scale,r,g,b,r,g,b,fake.code) } }
                     }
                     cache[hash] = char
diff --git a/tex/context/base/grph-inc.lua b/tex/context/base/grph-inc.lua
index 57b726909..ee59de508 100644
--- a/tex/context/base/grph-inc.lua
+++ b/tex/context/base/grph-inc.lua
@@ -65,6 +65,27 @@ local report_inclusion  = logs.reporter("graphics","inclusion")
 
 local context, img = context, img
 
+local maxdimen = 2^30-1
+
+function img.check(figure)
+    if figure then
+        local width = figure.width
+        local height = figure.height
+        if height > width then
+            if height > maxdimen then
+                figure.height = maxdimen
+                figure.width  = width * maxdimen/height
+                report_inclusion("limiting natural dimensions of %q (height)",figure.filename or "?")
+            end
+        elseif width > maxdimen then
+            figure.width  = maxdimen
+            figure.height = height * maxdimen/width
+            report_inclusion("limiting natural dimensions of %q (width)",figure.filename or "?")
+        end
+        return figure
+    end
+end
+
 --- some extra img functions --- can become luat-img.lua
 
 local imgkeys = img.keys()
@@ -970,7 +991,7 @@ function checkers.generic(data)
         }
         codeinjections.setfigurecolorspace(data,figure)
         codeinjections.setfiguremask(data,figure)
-        figure = figure and img.scan(figure) or false
+        figure = figure and img.check(img.scan(figure)) or false
         local f, d = codeinjections.setfigurealternative(data,figure)
         figure, data = f or figure, d or data
         figures_loaded[hash] = figure
diff --git a/tex/context/base/l-io.lua b/tex/context/base/l-io.lua
index 3456001b7..ec628b5e0 100644
--- a/tex/context/base/l-io.lua
+++ b/tex/context/base/l-io.lua
@@ -336,3 +336,21 @@ end
 
 if not io.i_limiter then function io.i_limiter() end end -- dummy so we can test safely
 if not io.o_limiter then function io.o_limiter() end end -- dummy so we can test safely
+
+-- This works quite ok:
+--
+-- function io.piped(command,writer)
+--     local pipe = io.popen(command)
+--  -- for line in pipe:lines() do
+--  --     print(line)
+--  -- end
+--     while true do
+--         local line = pipe:read(1)
+--         if not line then
+--             break
+--         elseif line ~= "\n" then
+--             writer(line)
+--         end
+--     end
+--     return pipe:close() -- ok, status, (error)code
+-- end
diff --git a/tex/context/base/l-lpeg.lua b/tex/context/base/l-lpeg.lua
index 55c520691..819a1b9ab 100644
--- a/tex/context/base/l-lpeg.lua
+++ b/tex/context/base/l-lpeg.lua
@@ -120,8 +120,10 @@ patterns.digit         = digit
 patterns.sign          = sign
 patterns.cardinal      = sign^0 * digit^1
 patterns.integer       = sign^0 * digit^1
-patterns.float         = sign^0 * digit^0 * P('.') * digit^1
-patterns.cfloat        = sign^0 * digit^0 * P(',') * digit^1
+patterns.unsigned      = digit^0 * P('.') * digit^1
+patterns.float         = sign^0 * patterns.unsigned
+patterns.cunsigned     = digit^0 * P(',') * digit^1
+patterns.cfloat        = sign^0 * patterns.cunsigned
 patterns.number        = patterns.float + patterns.integer
 patterns.cnumber       = patterns.cfloat + patterns.integer
 patterns.oct           = P("0") * R("07")^1
diff --git a/tex/context/base/luat-cbk.lua b/tex/context/base/luat-cbk.lua
index c4f0aba02..6c37307ca 100644
--- a/tex/context/base/luat-cbk.lua
+++ b/tex/context/base/luat-cbk.lua
@@ -137,7 +137,7 @@ function callbacks.register(name,func,freeze)
         end
         return frozen_callback(name)
     elseif freeze then
-        frozen[name] = (type(freeze) == "string" and freeze) or "registered"
+        frozen[name] = type(freeze) == "string" and freeze or "registered"
     end
     if delayed[name] and environment.initex then
         return nil
@@ -154,7 +154,7 @@ function callback.register(name,func) -- original
     return frozen_callback(name)
 end
 
-function callbacks.push(name, func)
+function callbacks.push(name,func)
     if not frozen[name] then
         local sn = stack[name]
         if not sn then
diff --git a/tex/context/base/luat-cod.mkiv b/tex/context/base/luat-cod.mkiv
index 034ab0613..9f0f9e6a8 100644
--- a/tex/context/base/luat-cod.mkiv
+++ b/tex/context/base/luat-cod.mkiv
@@ -49,14 +49,23 @@
 
 % we can drop the \zerocount as it's default
 
-\def\ctxdirectlua      {\directlua\zerocount}
-\def\ctxlatelua        {\latelua  \zerocount}
-\def\ctxsprint       #1{\directlua\zerocount{tex.sprint(tex.ctxcatcodes,#1)}} % saves tokens
-\def\ctxwrite        #1{\directlua\zerocount{tex.write(#1)}} % saves tokens
-\def\ctxcommand      #1{\directlua\zerocount{commands.#1}} % saves tokens
-\def\ctxdirectcommand#1{\directlua\zerocount{commands.#1}} % saves tokens
-\def\ctxlatecommand  #1{\latelua  \zerocount{commands.#1}} % saves tokens
-\def\ctxreport       #1{\directlua\zerocount{logs.writer[[#1]]}}
+% \def\ctxdirectlua      {\directlua\zerocount}
+% \def\ctxlatelua        {\latelua  \zerocount}
+% \def\ctxsprint       #1{\directlua\zerocount{tex.sprint(tex.ctxcatcodes,#1)}} % saves tokens
+% \def\ctxwrite        #1{\directlua\zerocount{tex.write(#1)}} % saves tokens
+% \def\ctxcommand      #1{\directlua\zerocount{commands.#1}} % saves tokens
+% \def\ctxdirectcommand#1{\directlua\zerocount{commands.#1}} % saves tokens
+% \def\ctxlatecommand  #1{\latelua  \zerocount{commands.#1}} % saves tokens
+% \def\ctxreport       #1{\directlua\zerocount{logs.writer[[#1]]}}
+
+\let\ctxdirectlua       \directlua
+\let\ctxlatelua         \latelua
+\def\ctxsprint       #1{\directlua{tex.sprint(tex.ctxcatcodes,#1)}} % saves tokens
+\def\ctxwrite        #1{\directlua{tex.write(#1)}} % saves tokens
+\def\ctxcommand      #1{\directlua{commands.#1}} % saves tokens
+\def\ctxdirectcommand#1{\directlua{commands.#1}} % saves tokens
+\def\ctxlatecommand  #1{\latelua  {commands.#1}} % saves tokens
+\def\ctxreport       #1{\directlua{logs.writer[[#1]]}}
 
 %D Take your choice \unknown
 
diff --git a/tex/context/base/m-timing.mkiv b/tex/context/base/m-timing.mkiv
index 62d2ad91b..18646cfae 100644
--- a/tex/context/base/m-timing.mkiv
+++ b/tex/context/base/m-timing.mkiv
@@ -37,7 +37,7 @@
 local progress = moduledata.progress
 
 function progress.show(filename,parameters,nodes,other)
-    for n, name in pairs(parameters or progress.parameters(filename)) do
+    for n, name in pairs(parameters or progress.parameters()) do
         context.ShowNamedUsage(filename or progress.defaultfilename,name,other or "")
     end
     for n, name in pairs(nodes or progress.nodes(filename)) do
diff --git a/tex/context/base/meta-ini.mkiv b/tex/context/base/meta-ini.mkiv
index e188794ea..d0045fe14 100644
--- a/tex/context/base/meta-ini.mkiv
+++ b/tex/context/base/meta-ini.mkiv
@@ -570,8 +570,8 @@
 \def\meta_unique_graphic#1#2%
   {\meta_begin_graphic_group{#1}%
    \setupMPvariables[\currentMPgraphicname][#2]%
-  %\getvalue{\??mpgraphic\currentMPgraphicname}\empty
-   \getvalue{\??mpgraphic#1}\empty
+   \getvalue{\??mpgraphic\currentMPgraphicname}\empty
+  %\getvalue{\??mpgraphic#1}\empty
    \meta_end_graphic_group}
 
 \def\meta_handle_use_graphic#1#2#3%
@@ -623,8 +623,8 @@
 \def\meta_use_graphic#1#2%
   {\meta_begin_graphic_group{#1}%
    \doifsomething{#2}{\setupMPvariables[\currentMPgraphicname][#2]}%
-  %\getvalue{\??mpgraphic\currentMPgraphicname}\empty
-   \getvalue{\??mpgraphic#1}\empty
+   \getvalue{\??mpgraphic\currentMPgraphicname}\empty
+  %\getvalue{\??mpgraphic#1}\empty
    \meta_end_graphic_group}
 
 \let\reuseMPgraphic   \useMPgraphic   % we can save a setup here if needed
@@ -660,8 +660,8 @@
   {\meta_begin_graphic_group{#1}%
    \let\overlaystamp\overlaypagestamp
    \setupMPvariables[\m_meta_page_prefix:\currentMPgraphicname][#2]% prefix is new here
-%    \getvalue{\??mpgraphic\m_meta_page_prefix:\currentMPgraphicname}{}%
-   \getvalue{\??mpgraphic\m_meta_page_prefix:#1}{}%
+   \getvalue{\??mpgraphic\m_meta_page_prefix:\currentMPgraphicname}{}%
+  %\getvalue{\??mpgraphic\m_meta_page_prefix:#1}{}%
    \meta_end_graphic_group}
 
 %D One way of defining a stamp is:
diff --git a/tex/context/base/mtx-context-timing.tex b/tex/context/base/mtx-context-timing.tex
index 1bc5b4776..2fd9cb807 100644
--- a/tex/context/base/mtx-context-timing.tex
+++ b/tex/context/base/mtx-context-timing.tex
@@ -28,7 +28,7 @@
    style=\tt]
 
 \setupfootertexts
-  [\getdocumentfilename{1}-luatex-progress.lut -- \pagenumber]
+  [\getdocumentfilename{1}-luatex-progress.lut \emdash\ \pagenumber]
 
 \setupcolors
   [state=start]
diff --git a/tex/context/base/node-fin.lua b/tex/context/base/node-fin.lua
index e0830de61..506fc724f 100644
--- a/tex/context/base/node-fin.lua
+++ b/tex/context/base/node-fin.lua
@@ -84,7 +84,7 @@ end
 local function process_attribute(head,plugin) -- head,attribute,enabled,initializer,resolver,processor,finalizer
     local namespace = plugin.namespace
     if namespace.enabled ~= false then -- this test will go away
-        starttiming(attributes)
+        starttiming(attributes) -- in principle we could delegate this to the main caller
         local done, used, ok = false, nil, false
         local attribute = namespace.attribute or numbers[plugin.name] -- todo: plugin.attribute
         local processor = plugin.processor
@@ -579,7 +579,6 @@ local function selective(namespace,attribute,head,inheritance,default) -- two at
     return head, done
 end
 
-
 states.selective = selective
 
 -- Ideally the next one should be merged with the previous but keeping it separate is
diff --git a/tex/context/base/node-ref.lua b/tex/context/base/node-ref.lua
index 33d27e0ec..7e7b3be3b 100644
--- a/tex/context/base/node-ref.lua
+++ b/tex/context/base/node-ref.lua
@@ -205,6 +205,65 @@ end
 
 -- skip is somewhat messy
 
+-- local function inject_areas(head,attribute,make,stack,done,skip,parent,pardir,txtdir)  -- main
+--     if head then
+--         local current, first, last, firstdir, reference = head, nil, nil, nil, nil
+--         pardir = pardir or "==="
+--         txtdir = txtdir or "==="
+--         while current do
+--             local id = current.id
+--             local r = has_attribute(current,attribute)
+--             if id == hlist_code or id == vlist_code then
+--                 -- somehow reference is true so the following fails (second one not done) in
+--                 --    test \goto{test}[page(2)] test \gotobox{test}[page(2)]
+--                 -- so let's wait till this fails again
+--                 -- if not reference and r and (not skip or r > skip) then -- > or ~=
+--                 if r and (not skip or r > skip) then -- > or ~=
+--                     inject_list(id,current,r,make,stack,pardir,txtdir)
+--                 end
+--                 if r then
+--                     done[r] = (done[r] or 0) + 1
+--                 end
+--                 local list = current.list
+--                 if list then
+--                     local _
+--                     current.list, _, pardir, txtdir = inject_areas(list,attribute,make,stack,done,r or skip or 0,current,pardir,txtdir)
+--                 end
+--                 if r then
+--                     done[r] = done[r] - 1
+--                 end
+--             elseif id == whatsit_code then
+--                 local subtype = current.subtype
+--                 if subtype == localpar_code then
+--                     pardir = current.dir
+--                 elseif subtype == dir_code then
+--                     txtdir = current.dir
+--                 end
+--             elseif id == glue_code and current.subtype == leftskip_code then -- any glue at the left?
+--                 --
+--             elseif not r then
+--                 -- just go on, can be kerns
+--             elseif not reference then
+--                 reference, first, last, firstdir = r, current, current, txtdir
+--             elseif r == reference then
+--                 last = current
+--             elseif (done[reference] or 0) == 0 then -- or id == glue_code and current.subtype == right_skip_code
+--                 if not skip or r > skip then -- maybe no > test
+--                     head, current = inject_range(head,first,last,reference,make,stack,parent,pardir,firstdir)
+--                     reference, first, last, firstdir = nil, nil, nil, nil
+--                 end
+--             else
+--                 reference, first, last, firstdir = r, current, current, txtdir
+--             end
+--             current = current.next
+--         end
+--         if reference and (done[reference] or 0) == 0 then
+--             head = inject_range(head,first,last,reference,make,stack,parent,pardir,firstdir)
+--         end
+--     end
+--     return head, true, pardir, txtdir
+-- end
+
 local function inject_areas(head,attribute,make,stack,done,skip,parent,pardir,txtdir)  -- main
     if head then
         local current, first, last, firstdir, reference = head, nil, nil, nil, nil
@@ -212,12 +271,12 @@ local function inject_areas(head,attribute,make,stack,done,skip,parent,pardir,tx
         txtdir = txtdir or "==="
         while current do
             local id = current.id
-            local r = has_attribute(current,attribute)
             if id == hlist_code or id == vlist_code then
--- somehow reference is true so the following fails (second one not done) in
---    test \goto{test}[page(2)] test \gotobox{test}[page(2)]
--- so let's wait till this fails again
--- if not reference and r and (not skip or r > skip) then -- > or ~=
+                local r = has_attribute(current,attribute)
+                -- somehow reference is true so the following fails (second one not done) in
+                --    test \goto{test}[page(2)] test \gotobox{test}[page(2)]
+                -- so let's wait till this fails again
+                -- if not reference and r and (not skip or r > skip) then -- > or ~=
                 if r and (not skip or r > skip) then -- > or ~=
                     inject_list(id,current,r,make,stack,pardir,txtdir)
                 end
@@ -241,19 +300,22 @@ local function inject_areas(head,attribute,make,stack,done,skip,parent,pardir,tx
                 end
             elseif id == glue_code and current.subtype == leftskip_code then -- any glue at the left?
                 --
-            elseif not r then
-                -- just go on, can be kerns
-            elseif not reference then
-                reference, first, last, firstdir = r, current, current, txtdir
-            elseif r == reference then
-                last = current
-            elseif (done[reference] or 0) == 0 then -- or id == glue_code and current.subtype == right_skip_code
-                if not skip or r > skip then -- maybe no > test
-                    head, current = inject_range(head,first,last,reference,make,stack,parent,pardir,firstdir)
-                    reference, first, last, firstdir = nil, nil, nil, nil
-                end
             else
-                reference, first, last, firstdir = r, current, current, txtdir
+                local r = has_attribute(current,attribute)
+                if not r then
+                    -- just go on, can be kerns
+                elseif not reference then
+                    reference, first, last, firstdir = r, current, current, txtdir
+                elseif r == reference then
+                    last = current
+                elseif (done[reference] or 0) == 0 then -- or id == glue_code and current.subtype == right_skip_code
+                    if not skip or r > skip then -- maybe no > test
+                        head, current = inject_range(head,first,last,reference,make,stack,parent,pardir,firstdir)
+                        reference, first, last, firstdir = nil, nil, nil, nil
+                    end
+                else
+                    reference, first, last, firstdir = r, current, current, txtdir
+                end
             end
             current = current.next
         end
@@ -264,6 +326,37 @@ local function inject_areas(head,attribute,make,stack,done,skip,parent,pardir,tx
     return head, true, pardir, txtdir
 end
 
+-- local function inject_area(head,attribute,make,stack,done,parent,pardir,txtdir) -- singular  !
+--     if head then
+--         pardir = pardir or "==="
+--         txtdir = txtdir or "==="
+--         local current = head
+--         while current do
+--             local id = current.id
+--             local r = has_attribute(current,attribute)
+--             if id == hlist_code or id == vlist_code then
+--                 if r and not done[r] then
+--                     done[r] = true
+--                     inject_list(id,current,r,make,stack,pardir,txtdir)
+--                 end
+--                 current.list = inject_area(current.list,attribute,make,stack,done,current,pardir,txtdir)
+--             elseif id == whatsit_code then
+--                 local subtype = current.subtype
+--                 if subtype == localpar_code then
+--                     pardir = current.dir
+--                 elseif subtype == dir_code then
+--                     txtdir = current.dir
+--                 end
+--             elseif r and not done[r] then
+--                 done[r] = true
+--                 head, current = inject_range(head,current,current,r,make,stack,parent,pardir,txtdir)
+--             end
+--             current = current.next
+--         end
+--     end
+--     return head, true
+-- end
+
 local function inject_area(head,attribute,make,stack,done,parent,pardir,txtdir) -- singular  !
     if head then
         pardir = pardir or "==="
@@ -271,13 +364,16 @@ local function inject_area(head,attribute,make,stack,done,parent,pardir,txtdir)
         local current = head
         while current do
             local id = current.id
-            local r = has_attribute(current,attribute)
             if id == hlist_code or id == vlist_code then
+                local r = has_attribute(current,attribute)
                 if r and not done[r] then
                     done[r] = true
                     inject_list(id,current,r,make,stack,pardir,txtdir)
                 end
-                current.list = inject_area(current.list,attribute,make,stack,done,current,pardir,txtdir)
+                local list = current.list
+                if list then
+                    current.list = inject_area(list,attribute,make,stack,done,current,pardir,txtdir)
+                end
             elseif id == whatsit_code then
                 local subtype = current.subtype
                 if subtype == localpar_code then
@@ -285,9 +381,12 @@ local function inject_area(head,attribute,make,stack,done,parent,pardir,txtdir)
                 elseif subtype == dir_code then
                     txtdir = current.dir
                 end
-            elseif r and not done[r] then
-                done[r] = true
-                head, current = inject_range(head,current,current,r,make,stack,parent,pardir,txtdir)
+            else
+                local r = has_attribute(current,attribute)
+                if r and not done[r] then
+                    done[r] = true
+                    head, current = inject_range(head,current,current,r,make,stack,parent,pardir,txtdir)
+                end
             end
             current = current.next
         end
diff --git a/tex/context/base/node-tra.lua b/tex/context/base/node-tra.lua
index 7d5630eaa..1d7a19896 100644
--- a/tex/context/base/node-tra.lua
+++ b/tex/context/base/node-tra.lua
@@ -16,6 +16,7 @@ local concat = table.concat
 local format, match, gmatch, concat, rep = string.format, string.match, string.gmatch, table.concat, string.rep
 local lpegmatch = lpeg.match
 local write_nl = texio.write_nl
+local clock = os.gettimeofday or os.clock -- should go in environment
 
 local report_nodes = logs.reporter("nodes","tracing")
 
@@ -799,3 +800,57 @@ nodes.visualizers = { }
 function nodes.visualizers.handler(head)
     return head, false
 end
+
+-- also moved here
+
+local snapshots  = { }
+nodes.snapshots  = snapshots
+
+local nodeusage  = nodepool.usage
+
+local lasttime   = clock()
+local samples    = { }
+local parameters = {
+    "cs_count",
+    "dyn_used",
+    "elapsed_time",
+    "luabytecode_bytes",
+    "luastate_bytes",
+    "max_buf_stack",
+    "obj_ptr",
+    "pdf_mem_ptr",
+    "pdf_mem_size",
+    "pdf_os_cntr",
+--  "pool_ptr", -- obsolete
+    "str_ptr",
+}
+
+function snapshots.takesample(comment)
+    local c = clock()
+    local t = {
+        elapsed_time = c - lasttime,
+        node_memory  = nodeusage(),
+        comment      = comment,
+    }
+    for i=1,#parameters do
+        local parameter = parameters[i]
+        local ps = status[parameter]
+        if ps then
+            t[parameter] = ps
+        end
+    end
+    samples[#samples+1] = t
+    lasttime = c
+end
+
+function snapshots.getsamples()
+    return samples -- one return value !
+end
+
+function snapshots.resetsamples()
+    samples = { }
+end
+
+function snapshots.getparameters()
+    return parameters
+end
diff --git a/tex/context/base/phys-dim.lua b/tex/context/base/phys-dim.lua
index 88a522195..ee5298c96 100644
--- a/tex/context/base/phys-dim.lua
+++ b/tex/context/base/phys-dim.lua
@@ -91,7 +91,6 @@ local powerdigits    = plus  * C(digits) / context.digitspowerplus
                      + minus * C(digits) / context.digitspowerminus
                      +         C(digits) / context.digitspower
 
-
 local ddigitspace    = digitspace  / "" / context.digitsspace
 local ddigit         = digits           / context.digitsdigit
 local dsemicomma     = semicolon   / "" / context.digitsseparatorspace
@@ -438,6 +437,8 @@ local short_units = { -- I'm not sure about casing
  -- a  = "ampere",
     A  = "ampere",
 
+    min = "minute",
+
     [utfchar(0x2103)] = "celsius",
     [utfchar(0x2109)] = "fahrenheit",
 }
diff --git a/tex/context/base/spac-ver.lua b/tex/context/base/spac-ver.lua
index c02789547..696635bfc 100644
--- a/tex/context/base/spac-ver.lua
+++ b/tex/context/base/spac-ver.lua
@@ -889,7 +889,7 @@ local function collapser(head,where,what,trace,snap,a_snapmethod) -- maybe also
     end
     if trace then trace_info("start analyzing",where,what) end
     while current do
-        local id, subtype = current.id, current.subtype
+        local id = current.id
         if id == hlist_code or id == vlist_code then
             -- needs checking, why so many calls
             if snap then
@@ -943,246 +943,249 @@ local function collapser(head,where,what,trace,snap,a_snapmethod) -- maybe also
             end
             flush("kern")
             current = current.next
-        elseif id ~= glue_code then
-            flush("something else")
-            current = current.next
-        elseif subtype == userskip_code then
-            local sc = has_attribute(current,a_skipcategory)      -- has no default, no unset (yet)
-            local so = has_attribute(current,a_skiporder   ) or 1 -- has  1 default, no unset (yet)
-            local sp = has_attribute(current,a_skippenalty )      -- has no default, no unset (yet)
-            if sp and sc == penalty then
-                if not penalty_data then
-                    penalty_data = sp
-                elseif penalty_order < so then
-                    penalty_order, penalty_data = so, sp
-                elseif penalty_order == so and sp > penalty_data then
-                    penalty_data = sp
-                end
-                if trace then trace_skip('penalty in skip',sc,so,sp,current) end
-                head, current = remove_node(head, current, true)
-            elseif not sc then  -- if not sc then
-                if glue_data then
-                    if trace then trace_done("flush",glue_data) end
-                    head = insert_node_before(head,current,glue_data)
-                    if trace then trace_natural("natural",current) end
-                    current = current.next
-                else
-                    -- not look back across head
-                    local previous = current.prev
-                    if previous and previous.id == glue_code and previous.subtype == userskip_code then
-                        local ps = previous.spec
-                        if ps.writable then
-                            local cs = current.spec
-                            if cs.writable and ps.stretch_order == 0 and ps.shrink_order == 0 and cs.stretch_order == 0 and cs.shrink_order == 0 then
-                                local pw, pp, pm = ps.width, ps.stretch, ps.shrink
-                                local cw, cp, cm = cs.width, cs.stretch, cs.shrink
-                             -- ps = writable_spec(previous) -- no writable needed here
-                             -- ps.width, ps.stretch, ps.shrink = pw + cw, pp + cp, pm + cm
-                                previous.spec = new_gluespec(pw + cw, pp + cp, pm + cm) -- else topskip can disappear
-                                if trace then trace_natural("removed",current) end
-                                head, current = remove_node(head, current, true)
-                            --  current = previous
-                                if trace then trace_natural("collapsed",previous) end
-                            --  current = current.next
+        elseif id == glue_code then
+            local subtype = current.subtype
+            if subtype == userskip_code then
+                local sc = has_attribute(current,a_skipcategory)      -- has no default, no unset (yet)
+                local so = has_attribute(current,a_skiporder   ) or 1 -- has  1 default, no unset (yet)
+                local sp = has_attribute(current,a_skippenalty )      -- has no default, no unset (yet)
+                if sp and sc == penalty then
+                    if not penalty_data then
+                        penalty_data = sp
+                    elseif penalty_order < so then
+                        penalty_order, penalty_data = so, sp
+                    elseif penalty_order == so and sp > penalty_data then
+                        penalty_data = sp
+                    end
+                    if trace then trace_skip('penalty in skip',sc,so,sp,current) end
+                    head, current = remove_node(head, current, true)
+                elseif not sc then  -- if not sc then
+                    if glue_data then
+                        if trace then trace_done("flush",glue_data) end
+                        head = insert_node_before(head,current,glue_data)
+                        if trace then trace_natural("natural",current) end
+                        current = current.next
+                    else
+                        -- not look back across head
+                        local previous = current.prev
+                        if previous and previous.id == glue_code and previous.subtype == userskip_code then
+                            local ps = previous.spec
+                            if ps.writable then
+                                local cs = current.spec
+                                if cs.writable and ps.stretch_order == 0 and ps.shrink_order == 0 and cs.stretch_order == 0 and cs.shrink_order == 0 then
+                                    local pw, pp, pm = ps.width, ps.stretch, ps.shrink
+                                    local cw, cp, cm = cs.width, cs.stretch, cs.shrink
+                                 -- ps = writable_spec(previous) -- no writable needed here
+                                 -- ps.width, ps.stretch, ps.shrink = pw + cw, pp + cp, pm + cm
+                                    previous.spec = new_gluespec(pw + cw, pp + cp, pm + cm) -- else topskip can disappear
+                                    if trace then trace_natural("removed",current) end
+                                    head, current = remove_node(head, current, true)
+                                --  current = previous
+                                    if trace then trace_natural("collapsed",previous) end
+                                --  current = current.next
+                                else
+                                    if trace then trace_natural("filler",current) end
+                                    current = current.next
+                                end
                             else
-                                if trace then trace_natural("filler",current) end
+                                if trace then trace_natural("natural (no prev spec)",current) end
                                 current = current.next
                             end
                         else
-                            if trace then trace_natural("natural (no prev spec)",current) end
+                            if trace then trace_natural("natural (no prev)",current) end
                             current = current.next
                         end
-                    else
-                        if trace then trace_natural("natural (no prev)",current) end
-                        current = current.next
                     end
-                end
-                glue_order, glue_data = 0, nil
-            elseif sc == disable then
-                ignore_following = true
-                if trace then trace_skip("disable",sc,so,sp,current) end
-                head, current = remove_node(head, current, true)
-            elseif sc == together then
-                keep_together = true
-                if trace then trace_skip("together",sc,so,sp,current) end
-                head, current = remove_node(head, current, true)
-            elseif sc == nowhite then
-                ignore_whitespace = true
-                head, current = remove_node(head, current, true)
-            elseif sc == discard then
-                if trace then trace_skip("discard",sc,so,sp,current) end
-                head, current = remove_node(head, current, true)
-            elseif ignore_following then
-                if trace then trace_skip("disabled",sc,so,sp,current) end
-                head, current = remove_node(head, current, true)
-            elseif not glue_data then
-                if trace then trace_skip("assign",sc,so,sp,current) end
-                glue_order = so
-                head, current, glue_data = remove_node(head, current)
-            elseif glue_order < so then
-                if trace then trace_skip("force",sc,so,sp,current) end
-                glue_order = so
-                free_glue_node(glue_data)
-                head, current, glue_data = remove_node(head, current)
-            elseif glue_order == so then
-                -- is now exclusive, maybe support goback as combi, else why a set
-                if sc == largest then
-                    local cs, gs = current.spec, glue_data.spec
-                    local cw, gw = cs.width, gs.width
-                    if cw > gw then
-                        if trace then trace_skip('largest',sc,so,sp,current) end
+                    glue_order, glue_data = 0, nil
+                elseif sc == disable then
+                    ignore_following = true
+                    if trace then trace_skip("disable",sc,so,sp,current) end
+                    head, current = remove_node(head, current, true)
+                elseif sc == together then
+                    keep_together = true
+                    if trace then trace_skip("together",sc,so,sp,current) end
+                    head, current = remove_node(head, current, true)
+                elseif sc == nowhite then
+                    ignore_whitespace = true
+                    head, current = remove_node(head, current, true)
+                elseif sc == discard then
+                    if trace then trace_skip("discard",sc,so,sp,current) end
+                    head, current = remove_node(head, current, true)
+                elseif ignore_following then
+                    if trace then trace_skip("disabled",sc,so,sp,current) end
+                    head, current = remove_node(head, current, true)
+                elseif not glue_data then
+                    if trace then trace_skip("assign",sc,so,sp,current) end
+                    glue_order = so
+                    head, current, glue_data = remove_node(head, current)
+                elseif glue_order < so then
+                    if trace then trace_skip("force",sc,so,sp,current) end
+                    glue_order = so
+                    free_glue_node(glue_data)
+                    head, current, glue_data = remove_node(head, current)
+                elseif glue_order == so then
+                    -- is now exclusive, maybe support goback as combi, else why a set
+                    if sc == largest then
+                        local cs, gs = current.spec, glue_data.spec
+                        local cw, gw = cs.width, gs.width
+                        if cw > gw then
+                            if trace then trace_skip('largest',sc,so,sp,current) end
+                            free_glue_node(glue_data) -- also free spec
+                            head, current, glue_data = remove_node(head, current)
+                        else
+                            if trace then trace_skip('remove smallest',sc,so,sp,current) end
+                            head, current = remove_node(head, current, true)
+                        end
+                    elseif sc == goback then
+                        if trace then trace_skip('goback',sc,so,sp,current) end
                         free_glue_node(glue_data) -- also free spec
                         head, current, glue_data = remove_node(head, current)
+                    elseif sc == force then
+                        -- last one counts, some day we can provide an accumulator and largest etc
+                        -- but not now
+                        if trace then trace_skip('force',sc,so,sp,current) end
+                        free_glue_node(glue_data) -- also free spec
+                        head, current, glue_data = remove_node(head, current)
+                    elseif sc == penalty then
+                        -- ? ? ? ?
+                        if trace then trace_skip('penalty',sc,so,sp,current) end
+                        free_glue_node(glue_data) -- also free spec
+                        glue_data = nil
+                        head, current = remove_node(head, current, true)
+                    elseif sc == add then
+                        if trace then trace_skip('add',sc,so,sp,current) end
+                     -- local old, new = glue_data.spec, current.spec
+                        local old, new = writable_spec(glue_data), current.spec
+                        old.width   = old.width   + new.width
+                        old.stretch = old.stretch + new.stretch
+                        old.shrink  = old.shrink  + new.shrink
+                        -- toto: order
+                        head, current = remove_node(head, current, true)
                     else
-                        if trace then trace_skip('remove smallest',sc,so,sp,current) end
+                        if trace then trace_skip("unknown",sc,so,sp,current) end
                         head, current = remove_node(head, current, true)
                     end
-                elseif sc == goback then
-                    if trace then trace_skip('goback',sc,so,sp,current) end
-                    free_glue_node(glue_data) -- also free spec
-                    head, current, glue_data = remove_node(head, current)
-                elseif sc == force then
-                    -- last one counts, some day we can provide an accumulator and largest etc
-                    -- but not now
-                    if trace then trace_skip('force',sc,so,sp,current) end
-                    free_glue_node(glue_data) -- also free spec
-                    head, current, glue_data = remove_node(head, current)
-                elseif sc == penalty then
-                    -- ? ? ? ?
-                    if trace then trace_skip('penalty',sc,so,sp,current) end
-                    free_glue_node(glue_data) -- also free spec
-                    glue_data = nil
-                    head, current = remove_node(head, current, true)
-                elseif sc == add then
-                    if trace then trace_skip('add',sc,so,sp,current) end
-                 -- local old, new = glue_data.spec, current.spec
-                    local old, new = writable_spec(glue_data), current.spec
-                    old.width   = old.width   + new.width
-                    old.stretch = old.stretch + new.stretch
-                    old.shrink  = old.shrink  + new.shrink
-                    -- toto: order
-                    head, current = remove_node(head, current, true)
                 else
                     if trace then trace_skip("unknown",sc,so,sp,current) end
                     head, current = remove_node(head, current, true)
                 end
-            else
-                if trace then trace_skip("unknown",sc,so,sp,current) end
-                head, current = remove_node(head, current, true)
-            end
-            if sc == force then
-                force_glue = true
-            end
-        elseif subtype == lineskip_code then
-            if snap then
-                local s = has_attribute(current,a_snapmethod)
-                if s and s ~= 0 then
-                    set_attribute(current,a_snapmethod,0)
-                    if current.spec.writable then
-                        local spec = writable_spec(current)
-                        spec.width = 0
-                        if trace_vsnapping then
-                            report_snapper("lineskip set to zero")
+                if sc == force then
+                    force_glue = true
+                end
+            elseif subtype == lineskip_code then
+                if snap then
+                    local s = has_attribute(current,a_snapmethod)
+                    if s and s ~= 0 then
+                        set_attribute(current,a_snapmethod,0)
+                        if current.spec.writable then
+                            local spec = writable_spec(current)
+                            spec.width = 0
+                            if trace_vsnapping then
+                                report_snapper("lineskip set to zero")
+                            end
                         end
+                    else
+                        if trace then trace_skip("lineskip",sc,so,sp,current) end
+                        flush("lineskip")
                     end
                 else
                     if trace then trace_skip("lineskip",sc,so,sp,current) end
                     flush("lineskip")
                 end
-            else
-                if trace then trace_skip("lineskip",sc,so,sp,current) end
-                flush("lineskip")
-            end
-            current = current.next
-        elseif subtype == baselineskip_code then
-            if snap then
-                local s = has_attribute(current,a_snapmethod)
-                if s and s ~= 0 then
-                    set_attribute(current,a_snapmethod,0)
-                    if current.spec.writable then
-                        local spec = writable_spec(current)
-                        spec.width = 0
-                        if trace_vsnapping then
-                            report_snapper("baselineskip set to zero")
+                current = current.next
+            elseif subtype == baselineskip_code then
+                if snap then
+                    local s = has_attribute(current,a_snapmethod)
+                    if s and s ~= 0 then
+                        set_attribute(current,a_snapmethod,0)
+                        if current.spec.writable then
+                            local spec = writable_spec(current)
+                            spec.width = 0
+                            if trace_vsnapping then
+                                report_snapper("baselineskip set to zero")
+                            end
                         end
+                    else
+                        if trace then trace_skip("baselineskip",sc,so,sp,current) end
+                        flush("baselineskip")
                     end
                 else
                     if trace then trace_skip("baselineskip",sc,so,sp,current) end
                     flush("baselineskip")
                 end
-            else
-                if trace then trace_skip("baselineskip",sc,so,sp,current) end
-                flush("baselineskip")
-            end
-            current = current.next
-        elseif subtype == parskip_code then
-            -- parskip always comes later
-            if ignore_whitespace then
-                if trace then trace_natural("ignored parskip",current) end
-                head, current = remove_node(head, current, true)
-            elseif glue_data then
-                local ps, gs = current.spec, glue_data.spec
-                if ps.writable and gs.writable and ps.width > gs.width then
-                    glue_data.spec = copy_node(ps)
-                    if trace then trace_natural("taking parskip",current) end
+                current = current.next
+            elseif subtype == parskip_code then
+                -- parskip always comes later
+                if ignore_whitespace then
+                    if trace then trace_natural("ignored parskip",current) end
+                    head, current = remove_node(head, current, true)
+                elseif glue_data then
+                    local ps, gs = current.spec, glue_data.spec
+                    if ps.writable and gs.writable and ps.width > gs.width then
+                        glue_data.spec = copy_node(ps)
+                        if trace then trace_natural("taking parskip",current) end
+                    else
+                        if trace then trace_natural("removed parskip",current) end
+                    end
+                    head, current = remove_node(head, current, true)
                 else
-                    if trace then trace_natural("removed parskip",current) end
+                    if trace then trace_natural("honored parskip",current) end
+                    head, current, glue_data = remove_node(head, current)
                 end
-                head, current = remove_node(head, current, true)
-            else
-                if trace then trace_natural("honored parskip",current) end
-                head, current, glue_data = remove_node(head, current)
-            end
-        elseif subtype == topskip_code or subtype == splittopskip_code then
-            if snap then
-                local s = has_attribute(current,a_snapmethod)
-                if s and s ~= 0 then
-                    set_attribute(current,a_snapmethod,0)
-                    local sv = snapmethods[s]
-                    local w, cw = snap_topskip(current,sv)
-                    if trace_vsnapping then
-                        report_snapper("topskip snapped from %s to %s for '%s'",w,cw,where)
+            elseif subtype == topskip_code or subtype == splittopskip_code then
+                if snap then
+                    local s = has_attribute(current,a_snapmethod)
+                    if s and s ~= 0 then
+                        set_attribute(current,a_snapmethod,0)
+                        local sv = snapmethods[s]
+                        local w, cw = snap_topskip(current,sv)
+                        if trace_vsnapping then
+                            report_snapper("topskip snapped from %s to %s for '%s'",w,cw,where)
+                        end
+                    else
+                        if trace then trace_skip("topskip",sc,so,sp,current) end
+                        flush("topskip")
                     end
                 else
                     if trace then trace_skip("topskip",sc,so,sp,current) end
                     flush("topskip")
                 end
-            else
-                if trace then trace_skip("topskip",sc,so,sp,current) end
-                flush("topskip")
-            end
-            current = current.next
-        elseif subtype == abovedisplayskip_code then
-            --
-            if trace then trace_skip("above display skip (normal)",sc,so,sp,current) end
-            flush("above display skip (normal)")
-            current = current.next
-            --
-        elseif subtype == belowdisplayskip_code then
-            --
-            if trace then trace_skip("below display skip (normal)",sc,so,sp,current) end
-            flush("below display skip (normal)")
-            current = current.next
-            --
-        elseif subtype == abovedisplayshortskip_code then
-            --
-            if trace then trace_skip("above display skip (short)",sc,so,sp,current) end
-            flush("above display skip (short)")
-            current = current.next
-            --
-        elseif subtype == belowdisplayshortskip_code then
-            --
-            if trace then trace_skip("below display skip (short)",sc,so,sp,current) end
-            flush("below display skip (short)")
-            current = current.next
-            --
-        else -- other glue
-            if snap and trace_vsnapping and current.spec.writable and current.spec.width ~= 0 then
-                report_snapper("%s of %s (kept)",skipcodes[subtype],current.spec.width)
-            --~ current.spec.width = 0
+                current = current.next
+            elseif subtype == abovedisplayskip_code then
+                --
+                if trace then trace_skip("above display skip (normal)",sc,so,sp,current) end
+                flush("above display skip (normal)")
+                current = current.next
+                --
+            elseif subtype == belowdisplayskip_code then
+                --
+                if trace then trace_skip("below display skip (normal)",sc,so,sp,current) end
+                flush("below display skip (normal)")
+                current = current.next
+                --
+            elseif subtype == abovedisplayshortskip_code then
+                --
+                if trace then trace_skip("above display skip (short)",sc,so,sp,current) end
+                flush("above display skip (short)")
+                current = current.next
+                --
+            elseif subtype == belowdisplayshortskip_code then
+                --
+                if trace then trace_skip("below display skip (short)",sc,so,sp,current) end
+                flush("below display skip (short)")
+                current = current.next
+                --
+            else -- other glue
+                if snap and trace_vsnapping and current.spec.writable and current.spec.width ~= 0 then
+                    report_snapper("%s of %s (kept)",skipcodes[subtype],current.spec.width)
+                --~ current.spec.width = 0
+                end
+                if trace then trace_skip(format("some glue (%s)",subtype),sc,so,sp,current) end
+                flush("some glue")
+                current = current.next
             end
-            if trace then trace_skip(format("some glue (%s)",subtype),sc,so,sp,current) end
-            flush("some glue")
+        else
+            flush("something else")
             current = current.next
         end
     end
diff --git a/tex/context/base/status-files.pdf b/tex/context/base/status-files.pdf
index 83936aba1..ddafd2831 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 736cc36fc..fac4e063e 100644
--- a/tex/context/base/status-lua.pdf
+++ b/tex/context/base/status-lua.pdf
diff --git a/tex/context/base/trac-inf.lua b/tex/context/base/trac-inf.lua
index 6ba3d348e..699e2b668 100644
--- a/tex/context/base/trac-inf.lua
+++ b/tex/context/base/trac-inf.lua
@@ -19,10 +19,16 @@ statistics       = statistics or { }
 local statistics = statistics
 
 statistics.enable    = true
-statistics.threshold = 0.05
+statistics.threshold = 0.01
 
 local statusinfo, n, registered, timers = { }, 0, { }, { }
 
+table.setmetatableindex(timers,function(t,k)
+    local v = { timing = 0, loadtime = 0 }
+    t[k] = v
+    return v
+end)
+
 local function hastiming(instance)
     return instance and timers[instance]
 end
@@ -33,14 +39,7 @@ end
 
 local function starttiming(instance)
     local timer = timers[instance or "notimer"]
-    if not timer then
-        timer = { }
-        timers[instance or "notimer"] = timer
-    end
-    local it = timer.timing
-    if not it then
-        it = 0
-    end
+    local it = timer.timing or 0
     if it == 0 then
         timer.starttime = clock()
         if not timer.loadtime then
diff --git a/tex/context/base/trac-tim.lua b/tex/context/base/trac-tim.lua
index adc8e01b5..66ac518bb 100644
--- a/tex/context/base/trac-tim.lua
+++ b/tex/context/base/trac-tim.lua
@@ -11,60 +11,33 @@ local concat, sort = table.concat, table.sort
 local next, tonumber = next, tonumber
 
 moduledata          = moduledata or { }
-moduledata.progress = moduledata.progress or { }
-local progress      = moduledata.progress
+local progress      = moduledata.progress or { }
+moduledata.progress = progress
 
+progress.parameters      = nodes.snapshots.getparameters
 progress.defaultfilename = ((tex and tex.jobname) or "whatever") .. "-luatex-progress"
 
-local params = {
-    "cs_count",
-    "dyn_used",
-    "elapsed_time",
-    "luabytecode_bytes",
-    "luastate_bytes",
-    "max_buf_stack",
-    "obj_ptr",
-    "pdf_mem_ptr",
-    "pdf_mem_size",
-    "pdf_os_cntr",
---  "pool_ptr", -- obsolete
-    "str_ptr",
-}
-
 -- storage
 
-local last  = os.clock()
-local data  = { }
-
-function progress.save(name)
-    io.savedata((name or progress.defaultfilename) .. ".lut",table.serialize(data,true))
-    data = { }
+function progress.store()
+    nodes.snapshots.takesample()
 end
 
-function progress.store()
-    local c = os.clock()
-    local t = {
-        elapsed_time = c - last,
-        node_memory  = nodes.pool.usage(),
-    }
-    for k, v in next, params do
-        if status[v] then t[v] = status[v] end
-    end
-    data[#data+1] = t
-    last = c
+function progress.save(name)
+    table.save((name or progress.defaultfilename) .. ".lut",nodes.snapshots.getsamples())
+    nodes.snapshots.resetsamples()
 end
 
 -- conversion
 
-local processed = { }
+local processed  = { }
+local parameters = progress.parameters()
 
 local function convert(name)
     name = name ~= "" and name or progress.defaultfilename
     if not processed[name] then
         local names, top, bot, pages, paths, keys = { }, { }, { }, 0, { }, { }
-        local data = io.loaddata(name .. ".lut")
-        if data then data = loadstring(data) end
-        if data then data = data() end
+        local data = table.load(name .. ".lut")
         if data then
             pages = #data
             if pages > 1 then
@@ -109,12 +82,12 @@ local function convert(name)
                         delta = factor/delta
                     end
                     for k=1,#s do
-                        s[k] = "(" .. k .. "," .. (s[k]-b)*delta .. ")"
+                        s[k] = format("(%s,%s)",k,(s[k]-b)*delta)
                     end
                     paths[tagname] = concat(s,"--")
                 end
-                for _, tag in next, params do
-                    path(tag)
+                for i=1,#parameters do
+                    path(parameters[i])
                 end
                 for tag, _ in next, keys do
                     path("node_memory",tag)
@@ -157,6 +130,3 @@ function progress.nodes(name)
     return convert(name).names or { }
 end
 
-function progress.parameters(name)
-    return params -- shared
-end
diff --git a/tex/context/base/util-tab.lua b/tex/context/base/util-tab.lua
index c1cedf9bb..cd6826983 100644
--- a/tex/context/base/util-tab.lua
+++ b/tex/context/base/util-tab.lua
@@ -15,6 +15,7 @@ local concat, insert, remove = table.concat, table.insert, table.remove
 local setmetatable, getmetatable, tonumber, tostring = setmetatable, getmetatable, tonumber, tostring
 local type, next, rawset, tonumber, loadstring = type, next, rawset, tonumber, loadstring
 local lpegmatch, P, Cs = lpeg.match, lpeg.P, lpeg.Cs
+local serialize = table.serialize
 
 -- function tables.definetable(target) -- defines undefined tables
 --     local composed, t, n = nil, { }, 0
@@ -193,7 +194,7 @@ function tables.encapsulate(core,capsule,protect)
     end
 end
 
-local function serialize(t,r,outer) -- no mixes
+local function fastserialize(t,r,outer) -- no mixes
     r[#r+1] = "{"
     local n = #t
     if n > 0 then
@@ -205,7 +206,7 @@ local function serialize(t,r,outer) -- no mixes
             elseif tv == "number" then
                 r[#r+1] = format("%s,",v)
             elseif tv == "table" then
-                serialize(v,r)
+                fastserialize(v,r)
             elseif tv == "boolean" then
                 r[#r+1] = format("%s,",tostring(v))
             end
@@ -219,7 +220,7 @@ local function serialize(t,r,outer) -- no mixes
                 r[#r+1] = format("[%q]=%s,",k,v)
             elseif tv == "table" then
                 r[#r+1] = format("[%q]=",k)
-                serialize(v,r)
+                fastserialize(v,r)
             elseif tv == "boolean" then
                 r[#r+1] = format("[%q]=%s,",k,tostring(v))
             end
@@ -234,7 +235,7 @@ local function serialize(t,r,outer) -- no mixes
 end
 
 function table.fastserialize(t,prefix) -- so prefix should contain the =
-    return concat(serialize(t,{ prefix or "return" },true))
+    return concat(fastserialize(t,{ prefix or "return" },true))
 end
 
 function table.deserialize(str)
@@ -269,6 +270,10 @@ function table.load(filename)
     end
 end
 
+function table.save(filename,t,n,...)
+    io.savedata(filename,serialize(t,n == nil and true or n,...))
+end
+
 local function slowdrop(t)
     local r = { }
     local l = { }
diff --git a/tex/generic/context/luatex/luatex-fonts-merged.lua b/tex/generic/context/luatex/luatex-fonts-merged.lua
index 9bd7f8297..9367a1527 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  : 11/23/12 17:35:57
+-- merge date  : 11/26/12 13:31:26
 
 do -- begin closure to overcome local limits and interference
 
@@ -1294,8 +1294,10 @@ patterns.digit         = digit
 patterns.sign          = sign
 patterns.cardinal      = sign^0 * digit^1
 patterns.integer       = sign^0 * digit^1
-patterns.float         = sign^0 * digit^0 * P('.') * digit^1
-patterns.cfloat        = sign^0 * digit^0 * P(',') * digit^1
+patterns.unsigned      = digit^0 * P('.') * digit^1
+patterns.float         = sign^0 * patterns.unsigned
+patterns.cunsigned     = digit^0 * P(',') * digit^1
+patterns.cfloat        = sign^0 * patterns.cunsigned
 patterns.number        = patterns.float + patterns.integer
 patterns.cnumber       = patterns.cfloat + patterns.integer
 patterns.oct           = P("0") * R("07")^1
@@ -2991,6 +2993,24 @@ end
 if not io.i_limiter then function io.i_limiter() end end -- dummy so we can test safely
 if not io.o_limiter then function io.o_limiter() end end -- dummy so we can test safely
 
+-- This works quite ok:
+--
+-- function io.piped(command,writer)
+--     local pipe = io.popen(command)
+--  -- for line in pipe:lines() do
+--  --     print(line)
+--  -- end
+--     while true do
+--         local line = pipe:read(1)
+--         if not line then
+--             break
+--         elseif line ~= "\n" then
+--             writer(line)
+--         end
+--     end
+--     return pipe:close() -- ok, status, (error)code
+-- end
+
 end -- closure
 
 do -- begin closure to overcome local limits and interference