beta 2010.10.10 14:25

27 files changed, 450 insertions, 205 deletions

diff --git a/tex/context/base/buff-ini.mkiv b/tex/context/base/buff-ini.mkiv
index 2ea660dc1..19fabcff6 100644
--- a/tex/context/base/buff-ini.mkiv
+++ b/tex/context/base/buff-ini.mkiv
@@ -203,18 +203,14 @@
 
 \def\doprocessbufferverbatim
   {\doinitializeverbatim
+   \beginofverbatimlines
    \dostarttagged\t!verbatim\currentbuffer
    \ctxlua{buffers.type("\currentbuffer","\typingparameter\c!strip")}%
-   \dostoptagged}
+   \dostoptagged
+   \endofverbatimlines}
 
 \def\doprocessbufferlinesverbatim#1#2#3%
-  {#2%
-   % todo, set up numbers
-   \doinitializeverbatim
-   \dostarttagged\t!verbatim\currentbuffer
-   \ctxlua{buffers.type("\currentbuffer","\typingparameter\c!strip")}
-   \dostoptagged
-   #3}
+  {#2\doprocessbufferverbatim#3}
 
 \def\doifelsebuffer#1%
   {\ctxlua{buffers.doifelsebuffer("#1")}}
diff --git a/tex/context/base/char-def.lua b/tex/context/base/char-def.lua
index 2a46080b3..4c72c4772 100644
--- a/tex/context/base/char-def.lua
+++ b/tex/context/base/char-def.lua
@@ -53839,7 +53839,7 @@ characters.data={
   mathname="nsubset",
   linebreak="al",
   mirror=0x2285,
-  specials={ "char", 0x0338, 0x2282 },
+  specials={ "char", 0x2282, 0x0338 },
   unicodeslot=0x2284,
  },
  [0x2285]={
@@ -53850,7 +53850,7 @@ characters.data={
   mathclass="relation",
   mathname="nsupset",
   mirror=0x2284,
-  specials={ "char", 0x0338, 0x2283 },
+  specials={ "char", 0x2283, 0x0338 },
   unicodeslot=0x2285,
  },
  [0x2286]={
diff --git a/tex/context/base/char-utf.lua b/tex/context/base/char-utf.lua
index a0a611e9a..c3549ec01 100644
--- a/tex/context/base/char-utf.lua
+++ b/tex/context/base/char-utf.lua
@@ -35,6 +35,9 @@ local characters      = characters
 characters.graphemes  = allocate()
 local graphemes       = characters.graphemes
 
+characters.mathpairs  = allocate()
+local mathpairs       = characters.mathpairs
+
 characters.filters    = allocate()
 local filters         = characters.filters
 
@@ -54,13 +57,28 @@ local function initialize()
         -- using vs and first testing for length is faster (.02->.01 s)
         local vs = v.specials
         if vs and #vs == 3 and vs[1] == 'char' then
-            local first, second = utfchar(vs[2]), utfchar(vs[3])
+            local one, two = vs[2], vs[3]
+            local first, second, combined = utfchar(one), utfchar(two), utfchar(k)
             local cgf = graphemes[first]
             if not cgf then
                 cgf = { }
                 graphemes[first] = cgf
             end
-            cgf[second] = utfchar(k)
+            cgf[second] = combined
+            if v.mathclass or v.mathspec then
+                local mps = mathpairs[two]
+                if not mps then
+                    mps = { }
+                    mathpairs[two] = mps
+                end
+                mps[one] = k
+                local mps = mathpairs[second]
+                if not mps then
+                    mps = { }
+                    mathpairs[second] = mps
+                end
+                mps[first] = combined
+            end
         end
     end
     initialize = false
diff --git a/tex/context/base/cont-new.mkiv b/tex/context/base/cont-new.mkiv
index e400dfaa0..33f4b7d6d 100644
--- a/tex/context/base/cont-new.mkiv
+++ b/tex/context/base/cont-new.mkiv
@@ -45,4 +45,6 @@
     buffers.change_state = logs.obsolete("buffers.change_state","buffers.finishstate")
 \stopluacode
 
+\def\luaexpr#1{\ctxlua{tex.sprint(tex.ctxcatcodes,tostring(#1))}} % todo: other catcode regimes
+
 \protect \endinput
diff --git a/tex/context/base/cont-new.tex b/tex/context/base/cont-new.tex
index c2577a3a6..1ec2bd3f8 100644
--- a/tex/context/base/cont-new.tex
+++ b/tex/context/base/cont-new.tex
@@ -11,7 +11,7 @@
 %C therefore copyrighted by \PRAGMA. See mreadme.pdf for
 %C details.
 
-\newcontextversion{2010.10.06 10:20}
+\newcontextversion{2010.10.10 14:25}
 
 %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.tex b/tex/context/base/context.tex
index 17ab0279f..e08f3528a 100644
--- a/tex/context/base/context.tex
+++ b/tex/context/base/context.tex
@@ -20,7 +20,7 @@
 %D your styles an modules.
 
 \edef\contextformat {\jobname}
-\edef\contextversion{2010.10.06 10:20}
+\edef\contextversion{2010.10.10 14:25}
 
 %D For those who want to use this:
 
diff --git a/tex/context/base/data-res.lua b/tex/context/base/data-res.lua
index f7dd5cd2e..4a61ae61f 100644
--- a/tex/context/base/data-res.lua
+++ b/tex/context/base/data-res.lua
@@ -244,9 +244,9 @@ local function load_configuration_files()
             local filename = filejoin(pathname,luacnfname)
             local blob = loadfile(filename)
             if blob then
+                local setups = instance.setups
                 local data = blob()
                 data = data and data.content
-                local setups = instance.setups
                 if data then
                     if trace_locating then
                         report_resolvers("loading configuration file '%s'",filename)
@@ -298,13 +298,13 @@ local function load_configuration_files()
 
                 else
                     if trace_locating then
-                        report_resolvers("skipping configuration file '%s'",filename)
+                        report_resolvers("skipping configuration file '%s' (no content)",filename)
                     end
                     setups[pathname] = { }
                     instance.loaderror = true
                 end
             elseif trace_locating then
-                report_resolvers("skipping configuration file '%s'",filename)
+                report_resolvers("skipping configuration file '%s' (no file)",filename)
             end
             instance.order[#instance.order+1] = instance.setups[pathname]
             if instance.loaderror then
diff --git a/tex/context/base/grph-inc.lua b/tex/context/base/grph-inc.lua
index 95a465b4d..651ed7157 100644
--- a/tex/context/base/grph-inc.lua
+++ b/tex/context/base/grph-inc.lua
@@ -154,7 +154,7 @@ figures.formats = allocate{
     ["svg"]    = { list = { "svg", "svgz" } },
     ["eps"]    = { list = { "eps", "ai" } },
     ["gif"]    = { list = { "gif" } },
-    ["mov"]    = { list = { "mov", "flv" } }, -- "avi" is not supported
+    ["mov"]    = { list = { "mov", "flv", "mp4" } }, -- "avi" is not supported
     ["buffer"] = { list = { "tmp", "buffer", "buf" } },
     ["tex"]    = { list = { "tex" } },
 }
@@ -353,7 +353,7 @@ function figures.current()
 end
 
 local defaultformat = "pdf"
-local defaultprefix = "m_k_v_i_"
+local defaultprefix = "m_k_i_v_"
 
 local function register(askedname,specification)
     if specification then
diff --git a/tex/context/base/l-table.lua b/tex/context/base/l-table.lua
index 1bd9921cb..1a871f0fe 100644
--- a/tex/context/base/l-table.lua
+++ b/tex/context/base/l-table.lua
@@ -82,7 +82,12 @@ function table.keys(t)
 end
 
 local function compare(a,b)
-    return (tostring(a) < tostring(b))
+    local ta, tb = type(a), type(b) -- needed, else 11 < 2
+    if ta == tb then
+        return a < b
+    else
+        return tostring(a) < tostring(b)
+    end
 end
 
 local function sortedkeys(tab)
@@ -94,12 +99,10 @@ local function sortedkeys(tab)
         else
             local tkey = type(key)
             if tkey == "string" then
-            --  if kind == 2 then kind = 3 else kind = 1 end
                 kind = (kind == 2 and 3) or 1
             elseif tkey == "number" then
-            --  if kind == 1 then kind = 3 else kind = 2 end
                 kind = (kind == 1 and 3) or 2
-            else -- if tkey then
+            else
                 kind = 3
             end
         end
diff --git a/tex/context/base/lpdf-fmt.lua b/tex/context/base/lpdf-fmt.lua
index 0b1dada0e..a5152c461 100644
--- a/tex/context/base/lpdf-fmt.lua
+++ b/tex/context/base/lpdf-fmt.lua
@@ -6,6 +6,8 @@ if not modules then modules = { } end modules ['lpdf-fmt'] = {
     license   = "see context related readme files",
 }
 
+-- Thanks to Luigi and Steffen for testing.
+
 -- context --directives="backend.format=PDF/X-1a:2001" --trackers=backend.format yourfile
 
 local trace_format    = false  trackers.register("backend.format",    function(v) trace_format    = v end)
@@ -115,6 +117,7 @@ local formats = utilities.storage.allocate {
         pdf_version             = 1.3,
         format_name             = "PDF/X-1a:2001",
         xmp_file                = "lpdf-pdx.xml",
+        gts_flag                = "GTS_PDFX",
         gray_scale              = true,
         cmyk_colors             = true,
         spot_colors             = true,
@@ -128,6 +131,7 @@ local formats = utilities.storage.allocate {
         pdf_version             = 1.4,
         format_name             = "PDF/X-1a:2003",
         xmp_file                = "lpdf-pdx.xml",
+        gts_flag                = "GTS_PDFX",
         gray_scale              = true,
         cmyk_colors             = true,
         spot_colors             = true,
@@ -141,6 +145,7 @@ local formats = utilities.storage.allocate {
         pdf_version             = 1.3,
         format_name             = "PDF/X-3:2002",
         xmp_file                = "lpdf-pdx.xml",
+        gts_flag                = "GTS_PDFX",
         gray_scale              = true,
         cmyk_colors             = true,
         rgb_colors              = true,
@@ -157,6 +162,7 @@ local formats = utilities.storage.allocate {
         pdf_version             = 1.4,
         format_name             = "PDF/X-3:2003",
         xmp_file                = "lpdf-pdx.xml",
+        gts_flag                = "GTS_PDFX",
         gray_scale              = true,
         cmyk_colors             = true,
         rgb_colors              = true,
@@ -174,6 +180,7 @@ local formats = utilities.storage.allocate {
         pdf_version             = 1.6,
         format_name             = "PDF/X-4",
         xmp_file                = "lpdf-pdx.xml",
+        gts_flag                = "GTS_PDFX",
         gray_scale              = true,
         cmyk_colors             = true,
         rgb_colors              = true,
@@ -197,6 +204,7 @@ local formats = utilities.storage.allocate {
         pdf_version             = 1.6,
         format_name             = "PDF/X-4p",
         xmp_file                = "lpdf-pdx.xml",
+        gts_flag                = "GTS_PDFX",
         gray_scale              = true,
         cmyk_colors             = true,
         rgb_colors              = true,
@@ -221,6 +229,7 @@ local formats = utilities.storage.allocate {
         pdf_version             = 1.6,
         format_name             = "PDF/X-5g",
         xmp_file                = "lpdf-pdx.xml",
+        gts_flag                = "GTS_PDFX",
         gray_scale              = true,
         cmyk_colors             = true,
         rgb_colors              = true,
@@ -243,6 +252,7 @@ local formats = utilities.storage.allocate {
         pdf_version             = 1.6,
         format_name             = "PDF/X-5pg",
         xmp_file                = "lpdf-pdx.xml",
+        gts_flag                = "GTS_PDFX",
         gray_scale              = true,
         cmyk_colors             = true,
         rgb_colors              = true,
@@ -266,6 +276,7 @@ local formats = utilities.storage.allocate {
         pdf_version             = 1.6,
         format_name             = "PDF/X-5n",
         xmp_file                = "lpdf-pdx.xml",
+        gts_flag                = "GTS_PDFX",
         gray_scale              = true,
         cmyk_colors             = true,
         rgb_colors              = true,
@@ -288,6 +299,7 @@ local formats = utilities.storage.allocate {
         pdf_version             = 1.4,
         format_name             = "pdf/a-1a:2005",
         xmp_file                = "lpdf-pda.xml",
+        gts_flag                = "GTS_PDFA1",
         gray_scale              = true,
         cmyk_colors             = true,
         rgb_colors              = true,
@@ -297,6 +309,7 @@ local formats = utilities.storage.allocate {
         include_intents         = true,
         forms                   = true, -- NEW; forms are allowed (with limitations); no JS,  other restrictions are unknown (TODO)
         tagging                 = true, -- NEW; the only difference to PDF/A-1b
+        internal_icc_profiles   = true,
         inject_metadata         = function()
             injectxmpinfo("xml://rdf:RDF","<rdf:Description rdf:about='' xmlns:pdfaid='http://www.aiim.org/pdfa/ns/id/'><pdfaid:part>1</pdfaid:part><pdfaid:conformance>A</pdfaid:conformance></rdf:Description>",false)
         end
@@ -305,6 +318,7 @@ local formats = utilities.storage.allocate {
         pdf_version             = 1.4,
         format_name             = "pdf/a-1b:2005",
         xmp_file                = "lpdf-pda.xml",
+        gts_flag                = "GTS_PDFA1",
         gray_scale              = true,
         cmyk_colors             = true,
         rgb_colors              = true,
@@ -313,6 +327,7 @@ local formats = utilities.storage.allocate {
         cielab_colors           = true, -- unknown
         include_intents         = true,
         forms                   = true,
+        internal_icc_profiles   = true,
         inject_metadata         = function()
             injectxmpinfo("xml://rdf:RDF","<rdf:Description rdf:about='' xmlns:pdfaid='http://www.aiim.org/pdfa/ns/id/'><pdfaid:part>1</pdfaid:part><pdfaid:conformance>B</pdfaid:conformance></rdf:Description>",false)
         end
@@ -485,7 +500,7 @@ end
 
 local loadeddefaults = { }
 
-local function handledefaultprofile(s) -- specification
+local function handledefaultprofile(s,spec) -- specification
     local filename, colorspace = s.filename or "", lower(s.colorspace or "")
     if filename == "" or colorspace == "" then
         report_backends("error in default profile specification: %s",serialize(s,false))
@@ -513,7 +528,7 @@ end
 
 local loadedintents, intents = { }, pdfarray()
 
-local function handleoutputintent(s)
+local function handleoutputintent(s,spec)
     local name, url, filename, id, outputcondition, info = s.info or s.filename or "", s.url or "", s.filename or "", s.id or "", s.outputcondition or "", s.info or ""
     if name == "" or id == "" then
         report_backends("error in output intent specification: %s",serialize(s,false))
@@ -523,7 +538,7 @@ local function handleoutputintent(s)
         if internal or external then
             local d = {
                   Type                      = pdfconstant("OutputIntent"),
-                  S                         = pdfconstant("GTS_PDFX"),
+                  S                         = pdfconstant(spec.gts_flag or "GTS_PDFX"),
                   OutputConditionIdentifier = id,
                   RegistryName              = url,
                   OutputCondition           = outputcondition,
@@ -549,7 +564,7 @@ local function handleoutputintent(s)
     end
 end
 
-local function handleiccprofile(message,name,filename,how,options,alwaysinclude)
+local function handleiccprofile(message,spec,name,filename,how,options,alwaysinclude,gts_flag)
     if name and name ~= "" then
         local list = settings_to_array(name)
         for i=1,#list do
@@ -595,7 +610,7 @@ local function handleiccprofile(message,name,filename,how,options,alwaysinclude)
                         report_backends("no profile inclusion for '%s'",formatname)
                     end
                 end
-                how(profile)
+                how(profile,spec)
             elseif trace_format then
                 report_backends("unknown profile '%s'",name)
             end
@@ -679,8 +694,8 @@ function codeinjections.setformat(s)
                 inject_metadata()
             end
             local options = settings_to_hash(option)
-            handleiccprofile("color profile",profile,filename,handledefaultprofile,options,true)
-            handleiccprofile("output intent",intent,filename,handleoutputintent,options,false)
+            handleiccprofile("color profile",spec,profile,filename,handledefaultprofile,options,true)
+            handleiccprofile("output intent",spec,intent,filename,handleoutputintent,options,false)
             if trace_variables then
                 for k, v in table.sortedhash(formats.default) do
                     local v = formatspecification[k]
diff --git a/tex/context/base/lpdf-ren.lua b/tex/context/base/lpdf-ren.lua
index 7c2d96467..33513c0d1 100644
--- a/tex/context/base/lpdf-ren.lua
+++ b/tex/context/base/lpdf-ren.lua
@@ -53,57 +53,6 @@ function backends.pdf.layerreference(name)
     return pdfln[name]
 end
 
--- only flush layers that are used
-
---~ function codeinjections.defineviewerlayer(specification)
---~     if textlayers then
---~         local tag = specification.tag
---~         -- todo: reserve
---~         local n = pdfdictionary {
---~             Type   = pdf_ocg,
---~             Name   = specification.title or "unknown",
---~             Intent = ((specification.kind > 0) and pdf_design) or nil, -- disable layer hiding by user
---~             Usage  = ((specification.printable == variables.no) and lpdf_usage) or nil , -- printable or not
---~         }
---~         local nr = pdfreference(pdfflushobject(n))
---~         pdfln[tag] = nr -- was n
---~         local d = pdfdictionary {
---~             Type = pdf_ocmd,
---~             OCGs = pdfarray { nr },
---~         }
---~         local dr = pdfreference(pdfflushobject(d))
---~         pdfld[tag] = dr
---~         textlayers[#textlayers+1] = nr
---~         if specification.visible == variables.start then
---~             videlayers[#videlayers+1] = nr
---~         else
---~             hidelayers[#hidelayers+1] = nr
---~         end
---~         pagelayers[tag] = dr -- check
---~     end
---~ end
-
---~ local function flushtextlayers()
---~     if textlayers and #textlayers > 0 then
---~         local d = pdfdictionary {
---~             OCGs = textlayers,
---~             D    = pdfdictionary {
---~                 Order = textlayers,
---~                 ON    = videlayers,
---~                 OFF   = hidelayers,
---~             },
---~         }
---~         lpdf.addtocatalog("OCProperties",d)
---~         textlayers = nil
---~     end
---~ end
-
---~ local function flushpagelayers() -- we can share these
---~     if next(pagelayers) then
---~         lpdf.addtopageresources("Properties",pagelayers)
---~     end
---~ end
-
 local pagelayers, pagelayersreference, cache = nil, nil, { }
 
 function codeinjections.defineviewerlayer(specification)
diff --git a/tex/context/base/lpdf-wid.lua b/tex/context/base/lpdf-wid.lua
index 651790630..fe02196dc 100644
--- a/tex/context/base/lpdf-wid.lua
+++ b/tex/context/base/lpdf-wid.lua
@@ -10,6 +10,8 @@ local format, gmatch, gsub, find = string.format, string.gmatch, string.gsub, st
 local texsprint, ctxcatcodes, texbox, texcount = tex.sprint, tex.ctxcatcodes, tex.box, tex.count
 local settings_to_array = utilities.parsers.settings_to_array
 
+local report_media = logs.report("media")
+
 local backends, lpdf, nodes = backends, lpdf, nodes
 
 local nodeinjections = backends.pdf.nodeinjections
@@ -37,6 +39,8 @@ local pdfannotation_node   = nodepool.pdfannotation
 
 local hpack_node, write_node = node.hpack, node.write
 
+local pdf_border = pdfarray { 0, 0, 0 } -- can be shared
+
 -- symbols
 
 local presets = { } -- xforms
@@ -247,12 +251,33 @@ end
 -- smil application/smil
 -- swf  application/x-shockwave-flash
 
+-- P  media play parameters (evt /BE for controls etc
+-- A  boolean (audio)
+-- C  boolean (captions)
+---O  boolean (overdubs)
+---S  boolean (subtitles)
+-- PL pdfconstant("ADBE_MCI"),
+
+-- F        = flags,
+-- T        = title,
+-- Contents = rubish,
+-- AP       = irrelevant,
+
+-- sound is different, no window (or zero) so we need to collect them and
+-- force them if not set
+
 local ms, mu, mf = { }, { }, { }
 
-local delayed = { }
+local function delayed(label)
+    local a = pdfreserveannotation()
+    mu[label] = a
+    return pdfreference(a)
+end
 
 local function insertrenderingwindow(label,width,height,specification)
-    if options == variables.auto then
+--~     local openpage = specification.openpage
+--~     local closepage = specification.closepage
+    if specification.options == variables.auto then
         if openpageaction then
             -- \handlereferenceactions{\v!StartRendering{#2}}
         end
@@ -267,15 +292,15 @@ local function insertrenderingwindow(label,width,height,specification)
             PC = (closepage and lpdf.action(closepage)) or nil,
         }
     end
-    local page = tonumber(specification.page) or texcount.realpageno
+    local page = tonumber(specification.page) or texcount.realpageno -- todo
     local d = pdfdictionary {
         Subtype = pdfconstant("Screen"),
         P       = pdfreference(pdfpagereference(page)),
         A       = mf[label],
-        Border  = pdfarray { 0, 0, 0 } ,
+        Border  = pdf_border,
         AA      = actions,
     }
-    local r = pdfreserveannotation()
+    local r = mu[label] or pdfreserveannotation()
     write_node(pdfannotation_node(width,height,0,d(),r)) -- save ref
     return pdfreference(r)
 end
@@ -287,12 +312,14 @@ local function insertrendering(specification)
         local isurl = find(filename,"://")
         local d = pdfdictionary {
             Type = pdfconstant("Rendition"),
-            S    = pdfconstant("MR"),
+            S    = pdfconstant("MR"), -- or SR for selector
+            N    = label, -- here too?
             C    = pdfdictionary {
                 Type = pdfconstant("MediaClip"),
                 S    = pdfconstant("MCD"),
                 N    = label,
-                CT   = specification.mime,
+             -- P    = pdfdictionary { TF = pdfstring("TEMPALWAYS") }, -- TEMPNEVER TEMPEXTRACT TEMPACCESS TEMPALWAYS
+                CT   = specification.mime, -- also /PL needs to be present then
                 Alt  = pdfarray {
                     "", "file not found", -- language id + message
                 },
@@ -304,15 +331,13 @@ local function insertrendering(specification)
             }
         }
         mf[label] = pdfreference(pdfflushobject(d))
-        if not ms[label]  then
-            mu[label] = insertrenderingwindow(label,0,0,specification.options)
-        end
     end
 end
 
 local function insertrenderingobject(specification)
     local label = specification.label
     if not mf[label] then
+        report_media("todo: unknown medium '%s'",label or "?")
         local d = pdfdictionary {
             Type = pdfconstant("Rendition"),
             S    = pdfconstant("MR"),
@@ -320,40 +345,37 @@ local function insertrenderingobject(specification)
                 Type = pdfconstant("MediaClip"),
                 S    = pdfconstant("MCD"),
                 N    = label,
-                D    = pdfreference(unknown), -- not label but objectname, hm
+                D    = pdfreference(unknown), -- not label but objectname, hm .. todo?
             }
         }
         mf[label] = pdfreference(pdfflushobject(d))
-        if ms[label] then
-            insertrenderingwindow(label,0,0,specification)
-        end
     end
 end
 
-function codeinjections.insertrenderingwindow(specification)
-    local label = specification.label
-    codeinjections.processrendering(label) -- was check at tex end
-    ms[label] = insertrenderingwindow(label,specification.width,specification.height,specification)
-end
-
 function codeinjections.processrendering(label)
     local specification = interactions.renderings.rendering(label)
-    if specification then
-        if specification.kind == "external" then
-            insertrendering(specification)
-        else
-            insertrenderingobject(specification)
-        end
+    if not specification then
+        -- error
+    elseif specification.kind == "external" then
+        insertrendering(specification)
+    else
+        insertrenderingobject(specification)
     end
 end
 
+function codeinjections.insertrenderingwindow(specification)
+    local label = specification.label
+    codeinjections.processrendering(label)
+    ms[label] = insertrenderingwindow(label,specification.width,specification.height,specification)
+end
+
 local function set(operation,arguments)
-    codeinjections.processrendering(arguments) -- was check at the tex end
+    codeinjections.processrendering(arguments)
     return pdfdictionary {
         S  = pdfconstant("Rendition"),
         OP = operation,
         R  = mf[arguments],
-        AN = ms[arguments] or mu[arguments],
+        AN = ms[arguments] or delayed(arguments),
     }
 end
 
diff --git a/tex/context/base/math-noa.lua b/tex/context/base/math-noa.lua
index c22b1272f..51df84e6f 100644
--- a/tex/context/base/math-noa.lua
+++ b/tex/context/base/math-noa.lua
@@ -11,6 +11,9 @@ if not modules then modules = { } end modules ['math-noa'] = {
 -- moment this is ok
 --
 -- we will also make dedicated processors (faster)
+--
+-- beware: names will change as we wil make noads.xxx.handler i.e. xxx
+-- subnamespaces
 
 local utf = unicode.utf8
 
@@ -46,6 +49,7 @@ local nodecodes     = nodes.nodecodes
 local noadcodes     = nodes.noadcodes
 
 local noad_ord      = noadcodes.ord
+local noad_rel      = noadcodes.rel
 local noad_punct    = noadcodes.punct
 
 local math_noad     = nodecodes.noad           -- attr nucleus sub sup
@@ -160,6 +164,8 @@ local fcs = fonts.colors.set
 --~     end
 --~ end
 
+local current_id, current_characters
+
 processors.relocate[math_char] = function(pointer)
     local g = has_attribute(pointer,mathgreek) or 0
     local a = has_attribute(pointer,mathalphabet) or 0
@@ -175,8 +181,15 @@ processors.relocate[math_char] = function(pointer)
         if newchar then
             local fam = pointer.fam
             local id = font_of_family(fam)
+         --
             local tfmdata = fontdata[id]
-            if tfmdata and tfmdata.characters[newchar] then -- we could probably speed this up
+            if tfmdata and tfmdata.characters[newchar] then
+         -- -- to be tested:
+         -- if id ~= current_id then
+         --     current_id = id
+         --     current_characters = fontdata[id].characters
+         -- end
+         -- if current_characters and current_characters[newchar] then
                 if trace_remapping then
                     report_remap("char",id,char,newchar)
                 end
@@ -313,6 +326,58 @@ function handlers.respace(head,style,penalties)
     return true
 end
 
+-- The following code is dedicated to Luigi Scarso who pointed me
+-- to the fact that \not= is not producing valid pdf-a code.
+-- The code does not solve this for virtual characters but it does
+-- a decent job on collapsing so that fonts that have the right
+-- glyph will have a decent unicode point.
+
+local collapse = { } processors.collapse = collapse
+
+local mathpairs = characters.mathpairs
+
+collapse[math_noad] = function(pointer)
+    if pointer.subtype == noad_rel then
+        local current_nucleus = pointer.nucleus
+        if current_nucleus.id == math_char then
+            local current_char = current_nucleus.char
+            local mathpair = mathpairs[current_char]
+            if mathpair then
+                local next_noad = pointer.next
+                if next_noad and next_noad.id == math_noad and next_noad.subtype == noad_rel then
+                    local next_nucleus = next_noad.nucleus
+                    if next_nucleus.id == math_char then
+                        local next_char = next_nucleus.char
+                        local newchar = mathpair[next_char]
+                        if newchar then
+                            local fam = current_nucleus.fam
+                            local id = font_of_family(fam)
+                            local tfmdata = fontdata[id]
+                            if tfmdata and tfmdata.characters[newchar] then
+                             -- print("!!!!!",current_char,next_char,newchar)
+                                current_nucleus.char = newchar
+                                local next_next_noad = next_noad.next
+                                if next_next_noad then
+                                    pointer.next = next_next_noad
+                                    next_next_noad.prev = pointer
+                                else
+                                    pointer.next = nil
+                                end
+                                node.free(next_noad)
+                            end
+                        end
+                    end
+                end
+            end
+        end
+    end
+end
+
+function noads.handlers.collapse(head,style,penalties)
+    process(head,collapse)
+    return true
+end
+
 -- math alternates
 
 function fonts.initializers.common.mathalternates(tfmdata)
diff --git a/tex/context/base/math-vfu.lua b/tex/context/base/math-vfu.lua
index 183eefc2a..e1a664ef9 100644
--- a/tex/context/base/math-vfu.lua
+++ b/tex/context/base/math-vfu.lua
@@ -29,31 +29,31 @@ local shared = { }
 fonts.vf.math          = fonts.vf.math or { }
 fonts.vf.math.optional = false
 
-local push, pop, back = { "push" }, { "pop" }, { "slot", 1, 0x2215 }
+--~ local push, pop, back = { "push" }, { "pop" }, { "slot", 1, 0x2215 }
 
-local function negate(main,characters,id,size,unicode,basecode)
-    if not characters[unicode] then
-        local basechar = characters[basecode]
-        if basechar then
-            local ht, wd = basechar.height, basechar.width
-            characters[unicode] = {
-                width    = wd,
-                height   = ht,
-                depth    = basechar.depth,
-                italic   = basechar.italic,
-                kerns    = basechar.kerns,
-                commands = {
-                    { "slot", 1, basecode },
-                    push,
-                    { "down",    ht/5},
-                    { "right", - wd/2},
-                    back,
-                    push,
-                }
-            }
-        end
-    end
-end
+--~ local function negate(main,characters,id,size,unicode,basecode)
+--~     if not characters[unicode] then
+--~         local basechar = characters[basecode]
+--~         if basechar then
+--~             local ht, wd = basechar.height, basechar.width
+--~             characters[unicode] = {
+--~                 width    = wd,
+--~                 height   = ht,
+--~                 depth    = basechar.depth,
+--~                 italic   = basechar.italic,
+--~                 kerns    = basechar.kerns,
+--~                 commands = {
+--~                     { "slot", 1, basecode },
+--~                     push,
+--~                     { "down",    ht/5},
+--~                     { "right", - wd/2},
+--~                     back,
+--~                     push,
+--~                 }
+--~             }
+--~         end
+--~     end
+--~ end
 
 --~ \Umathchardef\braceld="0 "1 "FF07A
 --~ \Umathchardef\bracerd="0 "1 "FF07B
@@ -300,7 +300,7 @@ function fonts.vf.math.alas(main,id,size)
     brace    (main,characters,id,size,0x23DF,0xFF27C,0xFF401,0xFF27B,0xFF27A,0xFF401,0xFF27D)
     parent   (main,characters,id,size,0x23DC,0xFF17A,0xFF301,0xFF17B)
     parent   (main,characters,id,size,0x23DD,0xFF27C,0xFF401,0xFF27D)
-    negate   (main,characters,id,size,0x2260,0x003D)
+ -- negate   (main,characters,id,size,0x2260,0x003D)
     dots     (main,characters,id,size,0x2026) -- ldots
     dots     (main,characters,id,size,0x22EE) -- vdots
     dots     (main,characters,id,size,0x22EF) -- cdots
@@ -322,6 +322,7 @@ function fonts.vf.math.alas(main,id,size)
     jointwo  (main,characters,id,size,0x21AA,0xFE322,3,0x02192)           -- \lhook\joinrel\rightarrow
     stack    (main,characters,id,size,0x2259,0x0003D,3,0x02227)           -- \buildrel\wedge\over=
     jointwo  (main,characters,id,size,0x22C8,0x022B3,4,0x022B2)           -- \mathrel\triangleright\joinrel\mathrel\triangleleft (4 looks better than 3)
+    jointwo  (main,characters,id,size,0x2260,0x00338,0,0x0003D)           -- \not\equal
     jointwo  (main,characters,id,size,0x2284,0x00338,0,0x02282)           -- \not\subset
     jointwo  (main,characters,id,size,0x2285,0x00338,0,0x02283)           -- \not\supset
     jointwo  (main,characters,id,size,0x22A7,0x0007C,3,0x0003D)           -- \mathrel|\joinrel=
diff --git a/tex/context/base/node-inj.lua b/tex/context/base/node-inj.lua
index 55fab6e75..f576c7ee2 100644
--- a/tex/context/base/node-inj.lua
+++ b/tex/context/base/node-inj.lua
@@ -121,7 +121,7 @@ function injections.setmark(start,base,factor,rlmode,ba,ma,index) --ba=baseancho
     set_attribute(base,markbase,bound)
     set_attribute(start,markmark,bound)
     set_attribute(start,markdone,index)
-    marks[bound] = { [index] = { dx, dy } }
+    marks[bound] = { [index] = { dx, dy, rlmode } }
     return dx, dy, bound
 end
 
@@ -318,17 +318,23 @@ function injections.handler(head,where,keep)
                                 local index = has_attribute(n,markdone) or 1
                                 local d = mrks[index]
                                 if d then
-                                --  local rlmode = d[3] -- not used
-                                --  if rlmode and rlmode > 0 then
-                                        -- todo
-                                --  else
+                                    local rlmode = d[3]
+                                    if rlmode and rlmode > 0 then
+                                        -- new per 2010-10-06
+                                        local k = wx[p]
+                                        if k then -- maybe (d[1] - p.width) and/or + k[2]
+                                            n.xoffset = p.xoffset - (p.width - d[1]) - k[2]
+                                        else
+                                            n.xoffset = p.xoffset - (p.width - d[1])
+                                        end
+                                    else
                                         local k = wx[p]
                                         if k then
                                             n.xoffset = p.xoffset - d[1] - k[2]
                                         else
                                             n.xoffset = p.xoffset - d[1]
                                         end
-                                --  end
+                                    end
                                     if mk[p] then
                                         n.yoffset = p.yoffset + d[2]
                                     else
diff --git a/tex/context/base/page-lin.lua b/tex/context/base/page-lin.lua
index e814fd7c4..895f0ec80 100644
--- a/tex/context/base/page-lin.lua
+++ b/tex/context/base/page-lin.lua
@@ -178,11 +178,43 @@ local function check_number(n,a,skip,sameline)
     end
 end
 
-function boxed.stage_one(n)
+-- xlist
+--   xlist
+--     hlist
+
+local function identify(list)
+    if list then
+        for n in traverse_id(hlist_code,list) do
+            if has_attribute(n,a_linenumber) then
+                return list
+            end
+        end
+        local n = list
+        while n do
+            local id = n.id
+            if id == hlist_code or id == vlist_code then
+                local ok = identify(n.list)
+                if ok then
+                    return ok
+                end
+            end
+            n = n.next
+        end
+    end
+end
+
+function boxed.stage_zero(n)
+    return identify(texbox[n].list)
+end
+
+function boxed.stage_one(n,nested)
     current_list = { }
     local head = texbox[n]
     if head then
         local list = head.list
+        if nested then
+            list = identify(list)
+        end
         local last_a, last_v, skip = nil, -1, false
         for n in traverse_id(hlist_code,list) do -- attr test here and quit as soon as zero found
             if n.height == 0 and n.depth == 0 then
@@ -200,6 +232,9 @@ function boxed.stage_one(n)
                             da.start = 1 -- eventually we will have a normal counter
                         end
                         last_a = a
+                        if trace_numbers then
+                            report_lines("starting line number range %s: start %s, continue",a,da.start,da.continue or "no")
+                        end
                     end
                     if has_attribute(n,a_displaymath) then
                         if nodes.is_display_math(n) then
@@ -231,8 +266,13 @@ function boxed.stage_two(n,m)
         for i=1,#current_list do
             local li = current_list[i]
             local n, m, ti = li[1], li[2], t[i]
-            ti.next, n.list = n.list, ti
-            resolve(n,m)
+            if ti then
+                ti.next, n.list = n.list, ti
+                resolve(n,m)
+            else
+                report_lines("error in linenumbering (1)")
+                return
+            end
        end
     end
 end
diff --git a/tex/context/base/page-lin.mkiv b/tex/context/base/page-lin.mkiv
index 84fa77813..2cea2da03 100644
--- a/tex/context/base/page-lin.mkiv
+++ b/tex/context/base/page-lin.mkiv
@@ -24,6 +24,30 @@
 %
 % we should use normal counters but then we need to sync settings
 
+% not yet ok, we need to give the top line a proper height
+%
+% \newbox\locallinenumberbox
+%
+% \unexpanded\def\startlocallinenumbering
+%   {\setbox\locallinenumberbox\vbox\bgroup
+%    \startlinenumbering}
+%
+% \unexpanded\def\stoplocallinenumbering
+%   {\stoplinenumbering
+%    \egroup
+%    \mkdoprocessdeepboxcontents\locallinenumberbox
+%    \unvbox\locallinenumberbox}
+
+% some line
+%
+% \startlocallinenumbering
+% some source code 1\par
+% some source code 2\par
+% some source code 3\par
+% \stoplocallinenumbering
+%
+% some line
+
 \registerctxluafile{page-lin}{1.001}
 
 \definesystemattribute[linenumber]   [public]
@@ -32,15 +56,19 @@
 \appendtoksonce \attribute\linenumberattribute \attributeunsetvalue \to \everyforgetall
 \appendtoksonce \attribute\displaymathattribute\plusone             \to \everybeforedisplayformula
 
-\newcount\linenumber % not used
-\newbox  \linenumberscratchbox
-\newcount\linenumberchunk
-\newcount\linerefcounter
+\newcount   \linenumber % not used
+\newbox     \linenumberscratchbox
+\newcount   \linenumberchunk
+\newcount   \linerefcounter
+\newconstant\linenumbernesting
 
 \newconditional\tracelinenumbering
 
-\def\mkprocesstextlinenumbers#1%
-  {\setbox\linenumberscratchbox\vbox{\forgetall\offinterlineskip\ctxlua{nodes.lines.boxed.stage_one(\number#1)}}%
+\def\mkprocesstextlinenumbers#1#2%
+  {\setbox\linenumberscratchbox\vbox
+     {\forgetall
+      \offinterlineskip
+      \ctxlua{nodes.lines.boxed.stage_one(\number#1,\ifcase\linenumbernesting false\else true\fi)}}%
    \ctxlua{nodes.lines.boxed.stage_two(\number#1,\number\linenumberscratchbox)}}% can move to lua code
 
 % id nr shift width leftskip dir
@@ -49,9 +77,10 @@
 
 \newconditional\boxcontentneedsprocessing
 
-\def\mkdoprocesspagecontents  #1{\mkaddtextlinenumbers{#1}\plusone      \plusone}
-\def\mkdoprocessboxcontents   #1{\mkaddtextlinenumbers{#1}\plusone      \plusone}
-\def\mkdoprocesscolumncontents#1{\mkaddtextlinenumbers{#1}\currentcolumn\nofcolumns}
+\def\mkdoprocesspagecontents   #1{\mkaddtextlinenumbers{#1}\plusone      \plusone   \zerocount}
+\def\mkdoprocessboxcontents    #1{\mkaddtextlinenumbers{#1}\plusone      \plusone   \zerocount}
+\def\mkdoprocessdeepboxcontents#1{\mkaddtextlinenumbers{#1}\plusone      \plusone   \plusone  }
+\def\mkdoprocesscolumncontents #1{\mkaddtextlinenumbers{#1}\currentcolumn\nofcolumns\zerocount}
 
 \def\mklinenumberparameters
   {continue = "\linenumberparameter\c!continue",
@@ -280,14 +309,15 @@
 \newconstant   \linenumbercolumn
 \newconstant   \linenumberlastcolumn
 
-\def\mkaddtextlinenumbers#1#2#3% box col max
+\def\mkaddtextlinenumbers#1#2#3#4% box col max nesting
   {\bgroup
    \linenumberbox       #1\relax
    \linenumbercolumn    #2\relax
    \linenumberlastcolumn#3\relax
+   \linenumbernesting   #4\relax
    \fullrestoreglobalbodyfont
    \let\makelinenumber\maketextlinenumber
-   \mkprocesstextlinenumbers\linenumberbox
+   \mkprocesstextlinenumbers\linenumberbox\linenumbernesting
    \egroup}
 
 \def\maketextlinenumber#1#2%
diff --git a/tex/context/base/page-mar.mkiv b/tex/context/base/page-mar.mkiv
index d5e7dbae1..037dc1298 100644
--- a/tex/context/base/page-mar.mkiv
+++ b/tex/context/base/page-mar.mkiv
@@ -16,6 +16,8 @@
 %D extended en enhanced. Therefore it's always good to watch
 %D out for unexpected side effects.
 
+%D TODO: use parents etc
+
 \writestatus{loading}{ConTeXt Page Macros / Maginal Things}
 
 \unprotect
@@ -197,6 +199,9 @@
 \newcount\margincontentlevel
 \newdimen\margincontentheight
 
+% \installparameterhandler    \??im{inmargin}
+% \installparameterhashhandler\??im{inmargin}
+
 \unexpanded\def\setupinmargin
   {\dodoubleempty\dosetupinmargin}
 
@@ -207,10 +212,6 @@
      \getparameters[\??im][#1]%
    \fi}
 
-% \def\dodosetupinmargin[#1]#2% [settings]{class}
-%   {\checkinmargin[#2]%
-%    \getparameters[\??im#2][#1]}
-
 \def\dodosetupinmargin[#1]#2% [settings]{class}
   {\checkinmargin[#2]%
    \getparameters[\??im#2][#1]%
@@ -423,7 +424,7 @@
         +\compensatedinnermakeupmargin
         +\csname\??im#1\c!distance\endcsname
       \relax}
-     {\dimexpr
+     {\hskip\dimexpr
         +\margincontenthoffset
         +\compensatedinnermakeupmargin
         +\margincontentdistance
diff --git a/tex/context/base/scrn-int.lua b/tex/context/base/scrn-int.lua
index d01669aa4..556ead7c5 100644
--- a/tex/context/base/scrn-int.lua
+++ b/tex/context/base/scrn-int.lua
@@ -106,7 +106,7 @@ function linkedlists.add(name)
     local l = collected[noflinks] or 0
     local p = collected[currentlink-1] or f
     local n = collected[currentlink+1] or l
-    texsprint(ctxcatcodes,format("\\setlinkproperties{%s}{%s}{%s}{%s}{%s}{%s}",currentlink,noflinks,f,p,n,l))
+    context.setlinkproperties(currentlink,noflinks,f,p,n,l)
 end
 
 function linkedlists.enhance(name,n)
diff --git a/tex/context/base/scrn-int.mkiv b/tex/context/base/scrn-int.mkiv
index 70382249c..83263d1df 100644
--- a/tex/context/base/scrn-int.mkiv
+++ b/tex/context/base/scrn-int.mkiv
@@ -588,13 +588,14 @@
 %    \handlereferenceactions{\getvalue{\??rw\currentrenderingwindow\c!closepageaction}}\dosetuprenderingclosepageaction
    \localframed
      [\??rw\currentrenderingwindow][\c!offset=\v!overlay]%
-     {\ctxlua{backends.codeinjections.insertrenderingwindow {
+     {\vfill
+      \ctxlua{backends.codeinjections.insertrenderingwindow {
         label   = "\currentrendering",
         width   = \number\dimexpr\renderingwidth\relax,
         height  = \number\dimexpr\renderingheight\relax,
         options = "\renderingoptions\currentrendering",
         page    = \number\renderingpage,
-      }}}%
+      }}\hfill}%
    \egroup}
 
 \setupinteractionscreen
diff --git a/tex/context/base/strc-num.lua b/tex/context/base/strc-num.lua
index f42b11b32..72cd75ecf 100644
--- a/tex/context/base/strc-num.lua
+++ b/tex/context/base/strc-num.lua
@@ -27,8 +27,8 @@ local variables  = interfaces.variables
 
 -- state: start stop none reset
 
-counters.specials        = counters.specials or { }
-local counterspecials    = counters.specials
+counters.specials     = counters.specials or { }
+local counterspecials = counters.specials
 
 local counterranges, tbs = { }, 0
 
@@ -121,13 +121,13 @@ local function allocate(name,i)
     local cd = counterdata[name]
     if not cd then
         cd = {
-            level = 1,
---~ block = "", -- todo
+            level   = 1,
+         -- block   = "", -- todo
             numbers = nil,
-            state = variables.start, -- true
-            data = { }
+            state   = variables.start, -- true
+            data    = { }
         }
-        tobesaved[name] = { }
+        tobesaved[name]   = { }
         counterdata[name] = cd
     end
     cd = cd.data
@@ -135,13 +135,12 @@ local function allocate(name,i)
     if not ci then
         ci = {
             number = 0,
-            start = 0,
-            saved = 0,
-            step = 1,
-            range = 1,
+            start  = 0,
+            saved  = 0,
+            step   = 1,
+            range  = 1,
             offset = false,
-        --  via metatable: last, first, and for tracing:
-            stop = 0,
+            stop   = 0, -- via metatable: last, first, stop only for tracing
         }
         setmetatable(ci, { __index = function(t,s) return constructor(t,s,name,i) end })
         cd[i] = ci
@@ -340,7 +339,7 @@ function counters.setown(name,n,value)
         elseif level > 0 then
             check(name,d,n+1)
         elseif level == 0 then
-            -- happens elsewhere
+            -- happens elsewhere, check this for block
         end
         synchronize(name,d)
     end
@@ -378,10 +377,15 @@ function counters.add(name,n,delta)
     if cd and cd.state == variables.start then
         local data = cd.data
         local d = allocate(name,n)
+-- table.print(cd)
         d.number = (d.number or d.start or 0) + delta*(d.step or 0)
         local level = cd.level
+-- print(name,n,level)
         if not level or level == -1 then
             -- -1 is signal that we reset manually
+        elseif level == -2 then
+            -- -2 is signal that we work per text
+            check(name,data,n+1)
         elseif level > 0 then
             -- within countergroup
             check(name,data,n+1)
diff --git a/tex/context/base/strc-reg.lua b/tex/context/base/strc-reg.lua
index b08d73159..899339b5c 100644
--- a/tex/context/base/strc-reg.lua
+++ b/tex/context/base/strc-reg.lua
@@ -443,6 +443,8 @@ end
 
 -- proc can be wrapped
 
+local seeindex = 0
+
 function registers.flush(data,options,prefixspec,pagespec)
     local equal = table.are_equal
     -- local usedtags = { }
@@ -502,8 +504,49 @@ function registers.flush(data,options,prefixspec,pagespec)
         end
         texsprint(ctxcatcodes,"}")
     end
-    -- ranges need checking !
+    --
+    -- maybe we can nil the splits and save memory
+    --
+    do
+        -- hash words (potential see destinations)
+        local words = { }
+        for i=1,#result do
+            local data = result[i].data
+            for j=1,#data do
+                local d = data[j]
+                local word = d.list[1][1]
+                words[word] = d
+            end
+        end
+        -- link seewords to words and tag destination
+        for i=1,#result do
+            local data = result[i].data
+            for j=1,#data do
+                local d = data[j]
+                local seeword = d.seeword
+                if seeword then
+                    local text = seeword.text
+                    if text then
+                        local w = words[text]
+                        if w then
+                            local wr = w.references
+                            local dr = d.references
+                            if wr.seeindex then
+                                dr.seeindex = wr.seeindex
+                            else
+                                seeindex = seeindex + 1
+                                dr.seeindex = seeindex
+                                wr.seeindex = seeindex
+                            end
+                        end
+                    end
+                end
+            end
+        end
+    end
+    --
     for i=1,#result do
+     -- ranges need checking !
         local sublist = result[i]
         local done = { false, false, false, false }
         local data = sublist.data
@@ -533,9 +576,10 @@ function registers.flush(data,options,prefixspec,pagespec)
                                 texsprint(ctxcatcodes,"\\startregisterentries{",n,"}")
                             end
                         end
-                        local internal = entry.references.internal
+                        local internal = entry.references.internal or 0
+                        local seeindex = entry.references.seeindex or ""
                         if metadata then
-                            texsprint(ctxcatcodes,"\\registerentry{",internal,"}{")
+                            texsprint(ctxcatcodes,"\\registerentry{",internal,"}{",seeindex,"}{")
                             local proc = entry.processors and entry.processors[1]
                             if proc then
                                 texsprint(ctxcatcodes,"\\applyprocessor{",proc,"}{")
@@ -548,9 +592,9 @@ function registers.flush(data,options,prefixspec,pagespec)
                         else
                             local proc = entry.processors and entry.processors[1]
                             if proc then
-                                texsprint(ctxcatcodes,"\\applyprocessor{",proc,"}{\\registerentry{",internal,"}{",e[i],"}}")
+                                texsprint(ctxcatcodes,"\\applyprocessor{",proc,"}{\\registerentry{",internal,"}{",seeindex,"}{",e[i],"}}")
                             else
-                                texsprint(ctxcatcodes,"\\registerentry{",internal,"}{",e[i],"}")
+                                texsprint(ctxcatcodes,"\\registerentry{",internal,"}{",seeindex,"}{",e[i],"}")
                             end
                         end
                     else
@@ -712,11 +756,14 @@ function registers.flush(data,options,prefixspec,pagespec)
             elseif kind == 'see' then
                 -- maybe some day more words
                 texsprint(ctxcatcodes,"\\startregisterseewords")
+                local seeindex = entry.references.seeindex or ""
+                local seetext = entry.seeword.text or ""
                 local proc = entry.processors and entry.processors[1]
+                -- todo: metadata like normal entries
                 if proc then
-                    texsprint(ctxcatcodes,"\\applyprocessor{",proc,"}{\\registeroneword{0}{0}{",entry.seeword.text,"}}") -- todo: internal
+                    texsprint(ctxcatcodes,"\\applyprocessor{",proc,"}{\\registeroneword{0}{",seeindex,"}{",seetext,"}}")
                 else
-                    texsprint(ctxcatcodes,"\\registeroneword{0}{0}{",entry.seeword.text,"}") -- todo: internal
+                    texsprint(ctxcatcodes,"\\registeroneword{0}{",seeindex,"}{",seetext,"}")
                 end
                 texsprint(ctxcatcodes,"\\stopregisterseewords")
             end
diff --git a/tex/context/base/strc-reg.mkiv b/tex/context/base/strc-reg.mkiv
index e1719bbc9..88c9dcca5 100644
--- a/tex/context/base/strc-reg.mkiv
+++ b/tex/context/base/strc-reg.mkiv
@@ -730,25 +730,43 @@
    \dostoptagged
    \dostoptagged}
 
-\def\registeroneword#1#2#3% content
+\def\registeroneword#1#2#3% #1:internal #2:seeindex #3:word
   {\registerpageseparator
+   \def\currentregisterpageindex{#1}%
    \dostarttagged\t!registersee\empty
-   \registerseeword{#3}%
+   \iflocation
+     \def\currentregisterseeindex{#2}%
+   \else
+     \let\currentregisterseeindex\empty
+   \fi
+   \ifx\currentregisterseeindex\empty
+     \registerseeword{#3}%
+   \else
+[>\currentregisterseeindex]%
+     \registerseeword{\goto{#3}[seeindex:\currentregisterseeindex]}%
+   \fi
    \dostoptagged}
 
 \def\doapplyregisterentrycommand#1%
   {\dostarttagged\t!registerentry\empty
+   \ifx\currentregisterseeindex\empty \else
+     \dontleavehmode
+[<\currentregisterseeindex]%
+     \pagereference[seeindex:\currentregisterseeindex]% maybe some day we will support an area
+   \fi
    \registerparameter\c!textcommand{\limitedregisterentry{\registerparameter\c!deeptextcommand{#1}}}%
    \dostoptagged}
 
-\def\defaultregisterentry#1#2% #1 is pageref
+\def\defaultregisterentry#1#2#3% #1:internal #2:seeindex #3:word
   {\def\currentregisterpageindex{#1}%
    \iflocation
+     \def\currentregisterseeindex{#2}%
      \doifelse{\registerparameter\c!interaction}\v!text
-       {\directgoto{\setlocationcolor\??ia\doapplyregisterentrycommand{#2}}[internal(#1)]}
-       {\doapplyregisterentrycommand{#2}}%
+       {\directgoto{\setlocationcolor\??ia\doapplyregisterentrycommand{#3}}[internal(#1)]}
+       {\doapplyregisterentrycommand{#3}}%
    \else
-     \doapplyregisterentrycommand{#2}%
+     \let\currentregisterseeindex\empty
+     \doapplyregisterentrycommand{#3}%
    \fi}
 
 \def\defaultregisterseeword#1%
diff --git a/tex/context/base/strc-sec.mkiv b/tex/context/base/strc-sec.mkiv
index 2a6d25631..496d95b67 100644
--- a/tex/context/base/strc-sec.mkiv
+++ b/tex/context/base/strc-sec.mkiv
@@ -15,6 +15,8 @@
 
 \unprotect
 
+\ifdefined \v!block \else \def\v!block{block} \fi
+
 % compatibility issue:
 %
 % \def\setfullsectionnumber #1{}
@@ -114,10 +116,14 @@
      \getparameters[\??nh#1][#2]%
    \fi}
 
+% -2=text -1=manual 0=block 1+=structurelevel
+
 \def\structuresectionlevel#1%
   {\executeifdefined{\??nh#1\c!level}{-1}}
 
-\setvalue{\??nh block\c!level}{0} % -1 == manual
+\setvalue{\??nh\v!block\c!level}{0}
+\setvalue{\??nh\v!none \c!level}{-1}
+\setvalue{\??nh\v!text \c!level}{-2}
 
 % head -> structurehead
 
@@ -600,13 +606,13 @@
 
 \def\dostructureheadspacingbeforeyes
   {\docheckstructureheadbefore
-   \dohandlestructureheadpagebreak
+   \dohandlestructureheadpagebreakyes
    \structureheadparameter\c!inbetween
    \dostarttagged\t!section\currentstructurehead}
 
 \def\dostructureheadspacingbeforenop
   {\docheckstructureheadbefore
-   \docheckstructureheadlayout
+   \dohandlestructureheadpagebreaknop
    \structureheadparameter\c!inbetween
    \dostarttagged\currentstructurehead\empty}
 
@@ -675,7 +681,16 @@
 \def\currentstructurecounter {\ctxlua{structures.sections.depthnumber(\thenamedstructureheadlevel\currentstructurehead)}}
 \def\previousstructurecounter{\ctxlua{structures.sections.depthnumber(\thenamedstructureheadlevel\currentstructurehead-1)}}
 
-\def\dohandlestructureheadpagebreak
+\def\dohandlestructureheadpagebreaknop
+  {\doifelse{\structureheadparameter\c!continue}\v!yes
+     {\ifnum\previousstructurecounter=\zerocount
+        \docheckstructureheadlayout
+      \else\ifnum\currentstructurecounter>\zerocount
+        \docheckstructureheadlayout
+      \fi\fi}%
+     {\docheckstructureheadlayout}}
+
+\def\dohandlestructureheadpagebreakyes
   {%[[\currentstructurehead @\thenamedstructureheadlevel\currentstructurehead/prev:\previousstructurecounter/curr:\currentstructurecounter]]
    \ifconditional\ignorehandlepagebreak
      \setfalse\ignorehandlepagebreak
diff --git a/tex/context/base/task-ini.lua b/tex/context/base/task-ini.lua
index 0f1af0c5a..5af225bf5 100644
--- a/tex/context/base/task-ini.lua
+++ b/tex/context/base/task-ini.lua
@@ -53,6 +53,7 @@ tasks.appendaction("shipouts",     "finishers",   "attributes.effects.handler")
 tasks.appendaction("shipouts",     "finishers",   "attributes.viewerlayers.handler")                   -- disabled
 
 tasks.appendaction("math",         "normalizers", "noads.handlers.relocate", nil, "nohead")            -- always on
+tasks.appendaction("math",         "normalizers", "noads.handlers.collapse", nil, "nohead")            -- always on
 tasks.appendaction("math",         "normalizers", "noads.handlers.resize",   nil, "nohead")            -- always on
 tasks.appendaction("math",         "normalizers", "noads.handlers.respace",  nil, "nohead")            -- always on
 tasks.appendaction("math",         "normalizers", "noads.handlers.check",    nil, "nohead")            -- always on
diff --git a/tex/context/base/x-res-50.tex b/tex/context/base/x-res-50.tex
index 382256fd4..6fa1a3e4f 100644
--- a/tex/context/base/x-res-50.tex
+++ b/tex/context/base/x-res-50.tex
@@ -45,6 +45,8 @@
 
 % output=pdftex
 
+% \nopdfcompression
+
 % bugs in recognizing embedded stream cq. player
 % bugs in layers + hide/vide
 % bugs in save javascripts
diff --git a/tex/generic/context/luatex-fonts-merged.lua b/tex/generic/context/luatex-fonts-merged.lua
index 085572e45..f2fc970f7 100644
--- a/tex/generic/context/luatex-fonts-merged.lua
+++ b/tex/generic/context/luatex-fonts-merged.lua
@@ -1,6 +1,6 @@
 -- merged file : luatex-fonts-merged.lua
 -- parent file : luatex-fonts.lua
--- merge date  : 10/06/10 10:20:42
+-- merge date  : 10/10/10 14:25:57
 
 do -- begin closure to overcome local limits and interference
 
@@ -719,7 +719,12 @@ function table.keys(t)
 end
 
 local function compare(a,b)
-    return (tostring(a) < tostring(b))
+    local ta, tb = type(a), type(b) -- needed, else 11 < 2
+    if ta == tb then
+        return a < b
+    else
+        return tostring(a) < tostring(b)
+    end
 end
 
 local function sortedkeys(tab)
@@ -731,12 +736,10 @@ local function sortedkeys(tab)
         else
             local tkey = type(key)
             if tkey == "string" then
-            --  if kind == 2 then kind = 3 else kind = 1 end
                 kind = (kind == 2 and 3) or 1
             elseif tkey == "number" then
-            --  if kind == 1 then kind = 3 else kind = 2 end
                 kind = (kind == 1 and 3) or 2
-            else -- if tkey then
+            else
                 kind = 3
             end
         end
@@ -2757,7 +2760,7 @@ function injections.setmark(start,base,factor,rlmode,ba,ma,index) --ba=baseancho
     set_attribute(base,markbase,bound)
     set_attribute(start,markmark,bound)
     set_attribute(start,markdone,index)
-    marks[bound] = { [index] = { dx, dy } }
+    marks[bound] = { [index] = { dx, dy, rlmode } }
     return dx, dy, bound
 end
 
@@ -2954,17 +2957,23 @@ function injections.handler(head,where,keep)
                                 local index = has_attribute(n,markdone) or 1
                                 local d = mrks[index]
                                 if d then
-                                --  local rlmode = d[3] -- not used
-                                --  if rlmode and rlmode > 0 then
-                                        -- todo
-                                --  else
+                                    local rlmode = d[3]
+                                    if rlmode and rlmode > 0 then
+                                        -- new per 2010-10-06
+                                        local k = wx[p]
+                                        if k then -- maybe (d[1] - p.width) and/or + k[2]
+                                            n.xoffset = p.xoffset - (p.width - d[1]) - k[2]
+                                        else
+                                            n.xoffset = p.xoffset - (p.width - d[1])
+                                        end
+                                    else
                                         local k = wx[p]
                                         if k then
                                             n.xoffset = p.xoffset - d[1] - k[2]
                                         else
                                             n.xoffset = p.xoffset - d[1]
                                         end
-                                --  end
+                                    end
                                     if mk[p] then
                                         n.yoffset = p.yoffset + d[2]
                                     else