From ea36ada779b87db193b865429d5db510713038a4 Mon Sep 17 00:00:00 2001
From: Hans Hagen <pragma@wxs.nl>
Date: Sun, 18 Oct 2009 15:20:00 +0200
Subject: beta 2009.10.18 15:20

---
 tex/context/base/cont-new.tex               |   2 +-
 tex/context/base/context.mkiv               |   1 +
 tex/context/base/context.tex                |   2 +-
 tex/context/base/font-ctx.lua               |  38 +--
 tex/context/base/font-def.lua               |   7 +-
 tex/context/base/font-gds.lua               | 349 ++++++++++++++++++++++++++++
 tex/context/base/font-gds.mkiv              |  79 +++++++
 tex/context/base/font-ini.mkiv              |   4 +-
 tex/context/base/font-mis.lua               |   2 +-
 tex/context/base/font-otf.lua               |  24 +-
 tex/context/base/font-otn.lua               |  20 +-
 tex/context/base/font-pat.lua               |  17 ++
 tex/context/base/font-tfm.lua               |   2 +
 tex/context/base/l-table.lua                |  20 +-
 tex/context/base/luat-dum.lua               |   5 +
 tex/context/base/lxml-aux.lua               |   2 +-
 tex/context/base/lxml-ctx.lua               | 127 ++++++++++
 tex/context/base/lxml-ctx.mkiv              |  64 +++++
 tex/context/base/lxml-ent.lua               |   1 +
 tex/context/base/lxml-lpt.lua               | 149 +++++++-----
 tex/context/base/lxml-tex.lua               |  22 ++
 tex/context/base/lxml-xml.lua               |  10 +-
 tex/context/base/m-directives.tex           |   5 +
 tex/context/base/m-track.tex                |   5 -
 tex/context/base/m-trackers.tex             |   5 +
 tex/context/base/node-inj.lua               |   1 +
 tex/context/base/trac-deb.lua               |  10 -
 tex/context/base/trac-deb.mkiv              |   5 +
 tex/context/base/trac-inf.lua               |   1 +
 tex/context/base/trac-tra.lua               | 200 +++++++++++++---
 tex/generic/context/luatex-fonts-merged.lua |  81 ++++---
 31 files changed, 1070 insertions(+), 190 deletions(-)
 create mode 100644 tex/context/base/font-gds.lua
 create mode 100644 tex/context/base/font-gds.mkiv
 create mode 100644 tex/context/base/lxml-ctx.lua
 create mode 100644 tex/context/base/lxml-ctx.mkiv
 create mode 100644 tex/context/base/m-directives.tex
 delete mode 100644 tex/context/base/m-track.tex
 create mode 100644 tex/context/base/m-trackers.tex

(limited to 'tex')

diff --git a/tex/context/base/cont-new.tex b/tex/context/base/cont-new.tex
index 012a9c552..4798e31bc 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{2009.10.16 16:13}
+\newcontextversion{2009.10.18 15:20}
 
 %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.mkiv b/tex/context/base/context.mkiv
index bd2bbe504..1a060d04f 100644
--- a/tex/context/base/context.mkiv
+++ b/tex/context/base/context.mkiv
@@ -241,6 +241,7 @@
 \loadmarkfile{font-tra}
 \loadmarkfile{font-uni}
 \loadmarkfile{font-col}
+\loadmarkfile{font-gds}
 
 \loadmarkfile{typo-spa}
 \loadmarkfile{typo-krn}
diff --git a/tex/context/base/context.tex b/tex/context/base/context.tex
index 3f87e7a12..da8ad455b 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{2009.10.16 16:13}
+\edef\contextversion{2009.10.18 15:20}
 
 %D For those who want to use this:
 
diff --git a/tex/context/base/font-ctx.lua b/tex/context/base/font-ctx.lua
index de1422454..f3b7879fb 100644
--- a/tex/context/base/font-ctx.lua
+++ b/tex/context/base/font-ctx.lua
@@ -10,7 +10,7 @@ if not modules then modules = { } end modules ['font-ctx'] = {
 
 local texsprint, count = tex.sprint, tex.count
 local format, concat, gmatch, match, find, lower = string.format, table.concat, string.gmatch, string.match, string.find, string.lower
-local tostring, next = tostring, next
+local tostring, next, type = tostring, next, type
 
 local ctxcatcodes = tex.ctxcatcodes
 
@@ -68,22 +68,25 @@ local settings_to_hash   = aux.settings_to_hash
 local default_features   = fonts.otf.features.default
 
 local function preset_context(name,parent,features) -- currently otf only
+    if features == "" and find(parent,"=") then
+        features = parent
+        parent = ""
+    end
     if features == "" then
-        if find(parent,"=") then
-            features = parent
-            parent = ""
-        end
+        features = { }
+    elseif type(features) == "string" then
+        features = normalize_meanings(settings_to_hash(features))
+    else
+        features = normalize_meanings(features)
     end
-    local number = (setups[name] and setups[name].number) or 0
-    local t = (features == "" and { }) or normalize_meanings(settings_to_hash(features))
     -- todo: synonyms, and not otf bound
     if parent ~= "" then
         for p in gmatch(parent,"[^, ]+") do
             local s = setups[p]
             if s then
                 for k,v in next, s do
-                    if t[k] == nil then
-                        t[k] = v
+                    if features[k] == nil then
+                        features[k] = v
                     end
                 end
             end
@@ -93,25 +96,26 @@ local function preset_context(name,parent,features) -- currently otf only
     -- we need to preset them (we hash the features and adding a default
     -- setting during initialization may result in a different hash)
     for k,v in next, triggers do
-        if type(t[v]) == "nil" then
+        if features[v] == nil then -- not false !
             local vv = default_features[v]
-            if vv then t[v] = vv end
+            if vv then features[v] = vv end
         end
     end
     -- sparse 'm so that we get a better hash and less test (experimental
     -- optimization)
-    local tt = { } -- maybe avoid tt
-    for k,v in next, t do
-        if v then tt[k] = v end
+    local t = { } -- can we avoid t ?
+    for k,v in next, features do
+        if v then t[k] = v end
     end
     -- needed for dynamic features
+    local number = (setups[name] and setups[name].number) or 0
     if number == 0 then
         number = #numbers + 1
         numbers[number] = name
     end
-    tt.number = number
-    setups[name] = tt
-    return number
+    t.number = number
+    setups[name] = t
+    return number, t
 end
 
 local function context_number(name) -- will be replaced
diff --git a/tex/context/base/font-def.lua b/tex/context/base/font-def.lua
index 9c9a67178..bc09d0f2e 100644
--- a/tex/context/base/font-def.lua
+++ b/tex/context/base/font-def.lua
@@ -9,7 +9,8 @@ if not modules then modules = { } end modules ['font-def'] = {
 local format, concat, gmatch, match, find, lower = string.format, table.concat, string.gmatch, string.match, string.find, string.lower
 local tostring, next = tostring, next
 
-local trace_defining = false  trackers.register("fonts.defining", function(v) trace_defining = v end)
+local trace_defining     = false  trackers  .register("fonts.defining", function(v) trace_defining     = v end)
+local directive_embedall = false  directives.register("fonts.embedall", function(v) directive_embedall = v end)
 
 trackers.register("fonts.loading", "fonts.defining", "otf.loading", "afm.loading", "tfm.loading")
 trackers.register("fonts.all", "fonts.*", "otf.*", "afm.*", "tfm.*")
@@ -283,7 +284,9 @@ function tfm.read(specification)
             end
         end
         if tfmtable then
-            if tfmtable.filename and fonts.dontembed[tfmtable.filename] then
+            if directive_embedall then
+                tfmtable.embedding = "full"
+            elseif tfmtable.filename and fonts.dontembed[tfmtable.filename] then
                 tfmtable.embedding = "no"
             else
                 tfmtable.embedding = "subset"
diff --git a/tex/context/base/font-gds.lua b/tex/context/base/font-gds.lua
new file mode 100644
index 000000000..95623df1c
--- /dev/null
+++ b/tex/context/base/font-gds.lua
@@ -0,0 +1,349 @@
+if not modules then modules = { } end modules ['font-gds'] = {
+    version   = 1.000,
+    comment   = "companion to font-gds.mkiv",
+    author    = "Hans Hagen, PRAGMA-ADE, Hasselt NL",
+    copyright = "PRAGMA ADE / ConTeXt Development Team",
+    license   = "see context related readme files"
+}
+
+local flattened= table.flattened
+local type, next = type, next
+local gmatch = string.gmatch
+
+-- goodies=name,colorscheme=,featureset=
+
+-- goodies
+
+fonts.goodies      = fonts.goodies      or { }
+fonts.goodies.data = fonts.goodies.data or { }
+fonts.goodies.list = fonts.goodies.list or { }
+
+local data = fonts.goodies.data
+local list = fonts.goodies.list
+
+local function getgoodies(filename) -- maybe a merge is better
+    local goodies = data[filename]
+    if goodies ~= nil then
+        -- found or tagged unfound
+    elseif type(filename) == "string" then
+        local fullname = resolvers.find_file(file.addsuffix(filename,"lfg")) or "" -- prefered suffix
+        if fullname == "" then
+            fullname = resolvers.find_file(file.addsuffix(filename,"lua")) or "" -- fallback suffix
+        end
+        if fullname == "" then
+            logs.report("fonts", "goodie file '%s.lfg' is not found",filename)
+            data[filename] = false -- signal for not found
+        else
+            goodies = dofile(fullname) or false
+            data[filename] = goodies
+        end
+    end
+    return goodies
+end
+
+function fonts.goodies.register(name,fnc)
+    list[name] = fnc
+end
+
+fonts.goodies.get = getgoodies
+
+-- register goodies file
+
+local preset_context = fonts.define.specify.preset_context
+
+function fonts.initializers.common.goodies(tfmdata,value)
+    local goodies = { }
+    for filename in gmatch(value,"[^, ]+") do
+        local ok = getgoodies(filename)
+        if ok then
+            goodies[#goodies+1] = ok
+            if not ok.initialized then
+                for name, fnc in next, list do
+                    fnc(ok,tfmdata)
+                end
+                ok.initialized = true
+            end
+        end
+    end
+    tfmdata.goodies = goodies -- shared ?
+end
+
+-- featuresets
+
+local function initialize(goodies,tfmdata)
+    local featuresets = goodies.featuresets
+    local goodiesname = goodies.name
+    if featuresets then
+        for name,set in next, featuresets do
+            local ff = flattened(set)
+            local n, s = preset_context(goodiesname .. "::" .. name,"",ff)
+            featuresets[name] = s -- set
+        end
+    end
+end
+
+fonts.goodies.register("featureset",initialize)
+
+function fonts.initializers.common.featureset(tfmdata,set)
+    local goodies = tfmdata.goodies -- shared ?
+    if goodies then
+        local features = tfmdata.shared.features
+        local what
+        for i=1,#goodies do
+            -- last one counts
+            local g = goodies[i]
+            what = (g.featuresets and g.featuresets[set]) or what
+        end
+        if what then
+            for feature, value in next, what do
+                if features[feature] == nil then
+                    features[feature] = value
+                end
+            end
+            tfmdata.mode = features.mode or tfmdata.mode
+        end
+    end
+end
+
+-- colorschemes
+
+fonts.goodies.colorschemes      = fonts.goodies.colorschemes      or { }
+fonts.goodies.colorschemes.data = fonts.goodies.colorschemes.data or { }
+
+local colorschemes = fonts.goodies.colorschemes
+
+function fonts.initializers.common.colorscheme(tfmdata,scheme)
+    if type(scheme) == "string" then
+        local goodies = tfmdata.goodies
+        -- todo : check for already defined in shared
+        if goodies then
+            local what
+            for i=1,#goodies do
+                -- last one counts
+                local g = goodies[i]
+                what = (g.colorschemes and g.colorschemes[scheme]) or what
+            end
+            if what then
+                -- this is font bound but we can share them if needed
+                -- just as we could hash the conversions (per font)
+                local hash, reverse = tfmdata.luatex.unicodes, { }
+                for i=1,#what do
+                    local w = what[i]
+                    for j=1,#w do
+                        local name = w[j]
+                        local unicode = hash[name]
+                        if unicode then
+                            reverse[unicode] = i
+                        end
+                    end
+                end
+                tfmdata.colorscheme = reverse
+                return
+            end
+        end
+    end
+    tfmdata.colorscheme = false
+end
+
+local fontdata      = fonts.ids
+local fcs           = fonts.color.set
+local has_attribute = node.has_attribute
+local traverse_id   = node.traverse_id
+local a_colorscheme = attributes.private('colorscheme')
+local glyph         = node.id("glyph")
+
+function fonts.goodies.colorschemes.coloring(head)
+    local lastfont, lastscheme
+    for n in traverse_id(glyph,head) do
+        local a = has_attribute(n,a_colorscheme)
+        if a then
+            local f = n.font
+            if f ~= lastfont then
+                lastscheme, lastfont = fontdata[f].colorscheme, f
+            end
+            if lastscheme then
+                local sc = lastscheme[n.char]
+                if sc then
+                    fcs(n,"colorscheme:"..a..":"..sc) -- slow
+                end
+            end
+        end
+    end
+end
+
+function fonts.goodies.colorschemes.enable()
+    tasks.appendaction("processors","fonts","fonts.goodies.colorschemes.coloring")
+    function fonts.goodies.colorschemes.enable() end
+end
+
+-- installation (collected to keep the overview)
+
+fonts.otf.tables.features['goodies']     = 'Goodies on top of built in features'
+fonts.otf.tables.features['featurset']   = 'Goodie Feature Set'
+fonts.otf.tables.features['colorscheme'] = 'Goodie Color Scheme'
+
+fonts.otf.features.register('goodies')
+fonts.otf.features.register('featureset')
+fonts.otf.features.register('colorscheme')
+
+table.insert(fonts.triggers, 1, "goodies")
+table.insert(fonts.triggers, 2, "featureset") -- insert after
+table.insert(fonts.triggers,    "colorscheme")
+
+fonts.initializers.base.otf.goodies     = fonts.initializers.common.goodies
+fonts.initializers.node.otf.goodies     = fonts.initializers.common.goodies
+
+fonts.initializers.base.otf.featureset  = fonts.initializers.common.featureset
+fonts.initializers.node.otf.featureset  = fonts.initializers.common.featureset
+
+fonts.initializers.base.otf.colorscheme = fonts.initializers.common.colorscheme
+fonts.initializers.node.otf.colorscheme = fonts.initializers.common.colorscheme
+
+-- The following file (husayni.lfg) is the experimental setup that we used
+-- for Idris font. For the moment we don't store this in the cache and quite
+-- probably these files sit in one of the paths:
+--
+-- tex/context/fonts/goodies
+-- tex/fonts/goodies/context
+-- tex/fonts/data/foundry/collection
+
+--~ local yes = "yes", "node"
+
+--~ local basics = {
+--~     analyze  = yes,
+--~     mode     = "node",
+--~     language = "dflt",
+--~     script   = "arab",
+--~ }
+
+--~ local analysis = {
+--~     ccmp = yes,
+--~     init = yes, medi = yes, fina = yes,
+--~ }
+
+--~ local regular = {
+--~    rlig = yes, calt = yes, salt = yes, anum = yes,
+--~    ss01 = yes, ss03 = yes, ss07 = yes, ss10 = yes, ss12 = yes, ss15 = yes, ss16 = yes,
+--~    ss19 = yes, ss24 = yes, ss25 = yes, ss26 = yes, ss27 = yes, ss31 = yes, ss34 = yes,
+--~    ss35 = yes, ss36 = yes, ss37 = yes, ss38 = yes, ss41 = yes, ss42 = yes, ss43 = yes,
+--~    js16 = yes,
+--~ }
+
+--~ local positioning = {
+--~    kern = yes, curs = yes, mark = yes, mkmk = yes,
+--~ }
+
+--~ return {
+--~     name = "husayni",
+--~     version = "1.00",
+--~     comment = "Goodies that complement the Husayni font by Idris Samawi Hamid.",
+--~     author = "Idris Samawi Hamid and Hans Hagen",
+--~     featuresets = {
+--~         default = {
+--~             basics, analysis, regular, positioning, -- xxxx = yes, yyyy = 2,
+--~         },
+--~     },
+--~     stylistics = {
+--~         ss01 = "Allah, Muhammad",
+--~         ss02 = "ss01 + Allah_final",
+--~         ss03 = "level-1 stack over Jiim, initial entry only",
+--~         ss04 = "level-1 stack over Jiim, initial/medial entry",
+--~         ss05 = "multi-level Jiim stacking, initial/medial entry",
+--~         ss06 = "aesthetic Faa/Qaaf for FJ_mm, FJ_mf connection",
+--~         ss07 = "initial-entry stacking over Haa",
+--~         ss08 = "initial/medial stacking over Haa, minus HM_mf strings",
+--~         ss09 = "initial/medial Haa stacking plus HM_mf strings",
+--~         ss10 = "basic dipped Miim, initial-entry B_S-stack over Miim",
+--~         ss11 = "full dipped Miim, initial-entry B_S-stack over Miim",
+--~         ss12 = "XBM_im initial-medial entry B_S-stack over Miim",
+--~         ss13 = "full initial-medial entry B_S-stacked Miim",
+--~         ss14 = "initial entry, stacked Laam on Miim",
+--~         ss15 = "full stacked Laam-on-Miim",
+--~         ss16 = "initial entry, stacked Ayn-on-Miim",
+--~         ss17 = "full stacked Ayn-on-Miim",
+--~         ss18 = "LMJ_im already contained in ss03--05, may remove",
+--~         ss19 = "LM_im",
+--~         ss20 = "KLM_m, sloped Miim",
+--~         ss21 = "KLM_i_mm/LM_mm, sloped Miim",
+--~         ss22 = "filled sloped Miim",
+--~         ss23 = "LM_mm, non-sloped Miim",
+--~         ss24 = "BR_i_mf, BN_i_mf",
+--~         ss25 = "basic LH_im might merge with ss24",
+--~         ss26 = "full Yaa.final special strings: BY_if, BY_mf, LY_mf",
+--~         ss27 = "basic thin Miim.final",
+--~         ss28 = "full thin Miim.final to be moved to jsnn",
+--~         ss29 = "basic short Miim.final",
+--~         ss30 = "full short Miim.final to be moved to jsnn",
+--~         ss31 = "basic Raa.final strings: JR and SR",
+--~         ss32 = "basic Raa.final strings: JR, SR, and BR",
+--~         ss33 = "TtR to be moved to jsnn",
+--~         ss34 = "AyR style also available in jsnn",
+--~         ss35 = "full Kaaf contexts",
+--~         ss36 = "full Laam contexts",
+--~         ss37 = "Miim-Miim contexts",
+--~         ss38 = "basic dipped Haa, B_SH_mm",
+--~         ss39 = "full dipped Haa,  B_S_LH_i_mm_Mf",
+--~         ss40 = "aesthetic dipped medial Haa",
+--~         ss41 = "high and low Baa strings",
+--~         ss42 = "diagonal entry",
+--~         ss43 = "initial alternates",
+--~         ss44 = "hooked final alif",
+--~         ss45 = "BMA_f",
+--~         ss46 = "BM_mm_alt, for JBM combinations",
+--~         ss47 = "Shaddah-<kasrah> combo",
+--~         ss48 = "Auto-sukuun",
+--~         ss49 = "No vowels",
+--~         ss50 = "Shaddah/MaaddahHamzah only",
+--~         ss51 = "No Skuun",
+--~         ss52 = "No Waslah",
+--~         ss53 = "No Waslah",
+--~         ss54 = "chopped finals",
+--~         ss55 = "idgham-tanwin",
+--~         js01 = "Raawide",
+--~         js02 = "Yaawide",
+--~         js03 = "Kaafwide",
+--~         js04 = "Nuunwide",
+--~         js05 = "Kaafwide Nuunwide Siinwide Baawide",
+--~         js06 = "final Haa wide",
+--~         js07 = "thin Miim",
+--~         js08 = "short Miim",
+--~         js09 = "wide Siin",
+--~         js10 = "thuluth-style initial Haa, final Miim, MRw_mf",
+--~         js11 = "level-1 stretching",
+--~         js12 = "level-2 stretching",
+--~         js13 = "level-3 stretching",
+--~         js14 = "final Alif",
+--~         js15 = "hooked final Alif",
+--~         js16 = "aesthetic medial Faa/Qaaf",
+--~         js17 = "fancy isol Haa after Daal, Raa, and Waaw",
+--~         js18 = "Laamwide, alternate substitution",
+--~         js19 = "level-4 stretching, only siin and Hhaa for basmalah",
+--~         js20 = "level-5 stretching, only siin and Hhaa for basmalah",
+--~         js21 = "Haa.final_alt2",
+--~     },
+--~     colorschemes = {
+--~         default = {
+--~             [1] = {
+--~                 "Onedotabove", "Onedotbelow", "Twodotsabove", "Twodotsbelow", "Threedotsabove", "Twodotsabove.vrt", "Twodotsbelow.vrt", "Twodotsabove.KBA", "Threedotsabove.KBA", "Threedotsbelowinv",
+--~             },
+--~             [2] = {
+--~                 "Fathah", "Dammah", "Kasrah", "FathahVertical", "DammahInverted", "KasrahVertical", "FathahVertical.alt1", "KasrahVertical.alt1", "FathahTanwiin", "DammahTanwiin", "KasrahTanwiin", "Shaddah", "Sukuun", "MaaddahHamzah", "Jazm", "Maaddah", "DammahTanwiin_alt2", "DammahTanwiin_alt1", "FathahTanwiin_alt1", "KasrahTanwiin_alt1", "Fathah.mkmk", "Dammah.mkmk", "Kasrah.mkmk", "FathahVertical.mkmk", "DammahInverted.mkmk", "KasrahVertical.mkmk", "FathahTanwiin.mkmk", "DammahTanwiin.mkmk", "KasrahTanwiin.mkmk", "DammahTanwiin_alt1.mkmk",
+--~             },
+--~             [3] = {
+--~                 "Ttaa.waqf", "SsLY.waqf", "QLY.waqf", "Miim.waqf", "LA.waqf", "Jiim.waqf", "Threedotsabove.waqf", "Siin.waqf", "Ssaad.waqf", "Qaaf.waqf", "SsL.waqf", "QF.waqf", "SKTH.waqf", "WQFH.waqf", "Kaaf.waqf", "Ayn.ruku",
+--~             },
+--~             [4] = {
+--~                 "Hamzah","Hamzahabove", "Hamzahbelow", "MaaddahHamzah.identity", "Waslah",
+--~             },
+--~             [5] = {
+--~                 "Waawsmall", "Yaasmall", "FathahVertical.alt2", "Waawsmall.isol", "Yaasmall.isol", "FathahVertical.isol",
+--~             },
+--~             [6] = {
+--~                 "Miim.nuun_high", "Siin.Ssaad", "Nuunsmall", "emptydot_low", "emptydot_high", "Sifr.fill", "Miim.nuun_low", "Nuun.tanwiin",
+--~             },
+--~             [7] = {
+--~                 "Ayah", "Yaasmall", "Ayah.alt1", "Ayah.alt2", "Ayah.alt3", "Ayah2",
+--~             }
+--~         }
+--~     }
+--~ }
diff --git a/tex/context/base/font-gds.mkiv b/tex/context/base/font-gds.mkiv
new file mode 100644
index 000000000..afdede721
--- /dev/null
+++ b/tex/context/base/font-gds.mkiv
@@ -0,0 +1,79 @@
+%D \module
+%D   [       file=font-gds,
+%D        version=2009.10.14,
+%D          title=\CONTEXT\ Font Support,
+%D       subtitle=Colorschemes,
+%D         author=Hans Hagen,
+%D           date=\currentdate,
+%D      copyright=PRAGMA]
+%C
+%C This module is part of the \CONTEXT\ macro||package and is
+%C therefore copyrighted by \PRAGMA. See mreadme.pdf for
+%C details.
+
+\writestatus{loading}{ConTeXt Font Support / Colorschemes}
+
+\registerctxluafile{font-gds}{1.001}
+
+\unprotect
+
+% this will become colorgroups
+
+\definecolor[colorscheme:1:1][s=.75]
+\definecolor[colorscheme:1:2][r=.75]
+\definecolor[colorscheme:1:3][g=.75]
+\definecolor[colorscheme:1:4][b=.75]
+\definecolor[colorscheme:1:5][c=.75]
+\definecolor[colorscheme:1:6][m=.75]
+\definecolor[colorscheme:1:7][y=.75]
+
+\definecolor[colorscheme:2:7][s=.75]
+\definecolor[colorscheme:2:6][r=.75]
+\definecolor[colorscheme:2:5][g=.75]
+\definecolor[colorscheme:2:4][b=.75]
+\definecolor[colorscheme:2:3][c=.75]
+\definecolor[colorscheme:2:2][m=.75]
+\definecolor[colorscheme:2:1][y=.75]
+
+\definesystemattribute[colorscheme]
+
+\def\setfontcolorscheme
+  {\ctxlua{fonts.goodies.colorschemes.enable()}%
+   \xdef\setfontcolorscheme[##1]{\dosetattribute{colorscheme}{##1}}%
+   \setfontcolorscheme}
+
+\edef\resetfontcolorscheme{\doresetattribute{colorscheme}}
+
+\protect \endinput
+
+% \definefontfeature[husayni-colored][goodies=husayni,colorscheme=default,featureset=default]
+%
+% \definedfont[husayni*husayni-colored at 36pt]
+%
+% \starttext \pardir TRT \textdir TRT
+%
+% \setfontcolorscheme[1]
+%
+% اَلْحَمْ‍دُ لِلّٰهِ حَمْدَ مُعْتَرِفٍ بِحَمْدِهٖ، مُغْتَرِفٌ مِنْ بِحَارِ
+% مَجْدِهٖ، بِلِسَانِ ٱلثَّنَاۤءِ شَاكِرًا، وَلِحُسْنِ اٰلاۤئِهٖ نَاشِرًا؛
+% اَلَّذِيْ خَلَقَ ٱلْمَوْتَ وَٱلْحَيٰوةَ، وَٱلْخَيْرَ وَٱلشَّرَّ،
+% وَٱلنَّفْعَ وَٱلضَّرَّ، وَٱلسُّكُوْنَ وَٱلْحَرَكَةَ، وَٱلْأَرْوَاحَ
+% وَٱلْأَجْسَامَ، وَٱلذِّكْرَ وَٱلنِّسْيَانَ.
+%
+% \setfontcolorscheme[2]
+%
+% اَلْحَمْ‍دُ لِلّٰهِ حَمْدَ مُعْتَرِفٍ بِحَمْدِهٖ، مُغْتَرِفٌ مِنْ بِحَارِ
+% مَجْدِهٖ، بِلِسَانِ ٱلثَّنَاۤءِ شَاكِرًا، وَلِحُسْنِ اٰلاۤئِهٖ نَاشِرًا؛
+% اَلَّذِيْ خَلَقَ ٱلْمَوْتَ وَٱلْحَيٰوةَ، وَٱلْخَيْرَ وَٱلشَّرَّ،
+% وَٱلنَّفْعَ وَٱلضَّرَّ، وَٱلسُّكُوْنَ وَٱلْحَرَكَةَ، وَٱلْأَرْوَاحَ
+% وَٱلْأَجْسَامَ، وَٱلذِّكْرَ وَٱلنِّسْيَانَ.
+%
+% \resetfontcolorscheme
+%
+% اَلْحَمْ‍دُ لِلّٰهِ حَمْدَ مُعْتَرِفٍ بِحَمْدِهٖ، مُغْتَرِفٌ مِنْ بِحَارِ
+% مَجْدِهٖ، بِلِسَانِ ٱلثَّنَاۤءِ شَاكِرًا، وَلِحُسْنِ اٰلاۤئِهٖ نَاشِرًا؛
+% اَلَّذِيْ خَلَقَ ٱلْمَوْتَ وَٱلْحَيٰوةَ، وَٱلْخَيْرَ وَٱلشَّرَّ،
+% وَٱلنَّفْعَ وَٱلضَّرَّ، وَٱلسُّكُوْنَ وَٱلْحَرَكَةَ، وَٱلْأَرْوَاحَ
+% وَٱلْأَجْسَامَ، وَٱلذِّكْرَ وَٱلنِّسْيَانَ.
+%
+% \stoptext
diff --git a/tex/context/base/font-ini.mkiv b/tex/context/base/font-ini.mkiv
index 16ca08160..2b4dbdaf7 100644
--- a/tex/context/base/font-ini.mkiv
+++ b/tex/context/base/font-ini.mkiv
@@ -2719,8 +2719,8 @@
   {\dotripleargument\dodefinefontfeature}
 
 \def\dodefinefontfeature[#1][#2][#3]%
-  {\global\expandafter\chardef\csname\??fq=#1\endcsname
-     \ctxlua{tex.write(fonts.define.specify.preset_context("#1","#2","#3"))}\relax}
+  {\global\expandafter\chardef\csname\??fq=#1\endcsname % beware () needed as we get two values returned
+     \ctxlua{tex.write((fonts.define.specify.preset_context("#1","#2","#3")))}\relax}
 
 \definefontfeature
   [default]
diff --git a/tex/context/base/font-mis.lua b/tex/context/base/font-mis.lua
index a1b717217..6cdb076ac 100644
--- a/tex/context/base/font-mis.lua
+++ b/tex/context/base/font-mis.lua
@@ -11,7 +11,7 @@ local lower, strip = string.lower, string.strip
 
 fonts.otf = fonts.otf or { }
 
-fonts.otf.version = fonts.otf.version or 2.631
+fonts.otf.version = fonts.otf.version or 2.633
 fonts.otf.pack    = true
 fonts.otf.cache   = containers.define("fonts", "otf", fonts.otf.version, true)
 
diff --git a/tex/context/base/font-otf.lua b/tex/context/base/font-otf.lua
index 59aff301b..653d3e95a 100644
--- a/tex/context/base/font-otf.lua
+++ b/tex/context/base/font-otf.lua
@@ -82,7 +82,7 @@ otf.features.default = otf.features.default or { }
 otf.enhancers        = otf.enhancers        or { }
 otf.glists           = { "gsub", "gpos" }
 
-otf.version          = 2.631 -- beware: also sync font-mis.lua
+otf.version          = 2.633 -- beware: also sync font-mis.lua
 otf.pack             = true  -- beware: also sync font-mis.lua
 otf.syncspace        = true
 otf.notdef           = false
@@ -202,7 +202,7 @@ local enhancers = {
     "patch bugs",
     "merge cid fonts", "prepare unicode", "cleanup ttf tables", "compact glyphs", "reverse coverage",
     "cleanup aat", "enrich with features", "add some missing characters",
---~     "reorganize mark classes",
+    "reorganize mark classes",
     "reorganize kerns", -- moved here
     "flatten glyph lookups", "flatten anchor tables", "flatten feature tables",
     "prepare luatex tables",
@@ -674,21 +674,15 @@ otf.enhancers["analyse subtables"] = function(data,filename)
             end
             local flags = gk.flags
             if flags then
---~                 gk.flags = { -- forcing false packs nicer
---~                     (flags.ignorecombiningmarks and "mark")     or false,
---~                     (flags.ignoreligatures      and "ligature") or false,
---~                     (flags.ignorebaseglyphs     and "base")     or false,
---~                      flags.r2l                                  or false,
---~                 }
                 gk.flags = { -- forcing false packs nicer
-                    ((flags.ignorecombiningmarks or flags.mark_class) and "mark")     or false,
-                    ( flags.ignoreligatures                           and "ligature") or false,
-                    ( flags.ignorebaseglyphs                          and "base")     or false,
-                      flags.r2l                                                       or false,
+                    (flags.ignorecombiningmarks and "mark")     or false,
+                    (flags.ignoreligatures      and "ligature") or false,
+                    (flags.ignorebaseglyphs     and "base")     or false,
+                     flags.r2l                                  or false,
                 }
---~                 if flags.mark_class then
---~                     gk.markclass = luatex.markclasses[flags.mark_class]
---~                 end
+                if flags.mark_class then
+                    gk.markclass = luatex.markclasses[flags.mark_class]
+                end
             end
         end
     end
diff --git a/tex/context/base/font-otn.lua b/tex/context/base/font-otn.lua
index 14837d2e1..880b52a49 100644
--- a/tex/context/base/font-otn.lua
+++ b/tex/context/base/font-otn.lua
@@ -1443,12 +1443,11 @@ function chainprocs.gpos_pair(start,stop,kind,chainname,currentcontext,cache,cur
                 local factor = tfmdata.factor
                 while snext and snext.id == glyph and snext.subtype<256 and snext.font == currentfont do
                     local nextchar = snext.char
-local krn = kerns[nextchar]
+                    local krn = kerns[nextchar]
                     if not krn and marks[nextchar] then
                         prev = snext
                         snext = snext.next
                     else
---~                         local krn = kerns[nextchar]
                         if not krn then
                             -- skip
                         elseif type(krn) == "table" then
@@ -1520,7 +1519,7 @@ local function normal_handle_contextchain(start,kind,chainname,contexts,sequence
     local flags, done = sequence.flags, false
     local skipmark, skipligature, skipbase = flags[1], flags[2], flags[3]
     local someskip = skipmark or skipligature or skipbase -- could be stored in flags for a fast test (hm, flags could be false !)
-    local markclass = sequence.markclass
+    local markclass = sequence.markclass -- todo, first we need a proper test
     for k=1,#contexts do
         local match, current, last = true, start, start
         local ck = contexts[k]
@@ -1554,10 +1553,7 @@ local function normal_handle_contextchain(start,kind,chainname,contexts,sequence
                                     local ccd = descriptions[char]
                                     if ccd then
                                         local class = ccd.class
---~ if class == skipmark or class == skipligature or class == skipbase or (markclass and not markclass[char]) then
-                                        if class == skipmark or class == skipligature or class == skipbase then
---~                                         if someskip and (class == skipmark or class == skipligature or class == skipbase) then
-                                            -- skip 'm
+                                        if class == skipmark or class == skipligature or class == skipbase or (markclass and class == "mark" and not markclass[char]) then
                                             if trace_skips then
                                                 show_skip(kind,chainname,char,ck,class)
                                             end
@@ -1601,10 +1597,7 @@ local function normal_handle_contextchain(start,kind,chainname,contexts,sequence
                                     local ccd = descriptions[char]
                                     if ccd then
                                         local class = ccd.class
---~ if class == skipmark or class == skipligature or class == skipbase or (markclass and not markclass[char]) then
-                                        if class == skipmark or class == skipligature or class == skipbase then
---~                                         if someskip and class == skipmark or class == skipligature or class == skipbase then
-                                            -- skip 'm
+                                        if class == skipmark or class == skipligature or class == skipbase or (markclass and class == "mark" and not markclass[char]) then
                                             if trace_skips then
                                                 show_skip(kind,chainname,char,ck,class)
                                             end
@@ -1658,10 +1651,7 @@ local function normal_handle_contextchain(start,kind,chainname,contexts,sequence
                                     local ccd = descriptions[char]
                                     if ccd then
                                         local class = ccd.class
---~ if class == skipmark or class == skipligature or class == skipbase or (markclass and not markclass[char]) then
-                                        if class == skipmark or class == skipligature or class == skipbase then
---~                                         if someskip and class == skipmark or class == skipligature or class == skipbase then
-                                            -- skip 'm
+                                        if class == skipmark or class == skipligature or class == skipbase or (markclass and class == "mark" and not markclass[char]) then
                                             if trace_skips then
                                                 show_skip(kind,chainname,char,ck,class)
                                             end
diff --git a/tex/context/base/font-pat.lua b/tex/context/base/font-pat.lua
index 4a97248c4..f2b86a48a 100644
--- a/tex/context/base/font-pat.lua
+++ b/tex/context/base/font-pat.lua
@@ -10,6 +10,8 @@ local match, lower = string.match, string.lower
 
 local trace_loading = false  trackers.register("otf.loading", function(v) trace_loading = v end)
 
+-- this will become a per font patch file
+--
 -- older versions of latin modern didn't have the designsize set
 -- so for them we get it from the name
 
@@ -92,3 +94,18 @@ local function patch(data,filename)
 end
 
 patches["palatino.*arabic"] = patch
+
+local function patch(data,filename)
+    local m = data.math
+    if m then
+        local d = m.DisplayOperatorMinHeight or 0
+        if d < 2800 then
+            if trace_loading then
+                logs.report("load otf","patching DisplayOperatorMinHeight(%s -> 2800)",d)
+            end
+            m.DisplayOperatorMinHeight = 2800
+        end
+    end
+end
+
+patches["cambria"] = patch
diff --git a/tex/context/base/font-tfm.lua b/tex/context/base/font-tfm.lua
index 905da59ce..73412f821 100644
--- a/tex/context/base/font-tfm.lua
+++ b/tex/context/base/font-tfm.lua
@@ -258,7 +258,9 @@ function tfm.do_scale(tfmtable, scaledpoints)
     t.unicodes = tfmtable.unicodes
     t.indices = tfmtable.indices
     t.marks = tfmtable.marks
+t.goodies = tfmtable.goodies
 t.colorscheme = tfmtable.colorscheme
+--~ t.embedding = tfmtable.embedding
     t.descriptions = descriptions
     if tfmtable.fonts then
         t.fonts = table.fastcopy(tfmtable.fonts) -- hm  also at the end
diff --git a/tex/context/base/l-table.lua b/tex/context/base/l-table.lua
index 9e0b12f7c..d7c2b0250 100644
--- a/tex/context/base/l-table.lua
+++ b/tex/context/base/l-table.lua
@@ -614,7 +614,7 @@ function table.tofile(filename,root,name,reduce,noquotes,hexify)
     end
 end
 
-local function flatten(t,f,complete)
+local function flatten(t,f,complete) -- is this used? meybe a variant with next, ...
     for i=1,#t do
         local v = t[i]
         if type(v) == "table" then
@@ -643,6 +643,24 @@ end
 
 table.flatten_one_level = table.unnest
 
+-- a better one:
+
+local function flattened(t,f)
+    if not f then
+        f = { }
+    end
+    for k, v in next, t do
+        if type(v) == "table" then
+            flattened(v,f)
+        else
+            f[k] = v
+        end
+    end
+    return f
+end
+
+table.flattened = flattened
+
 -- the next three may disappear
 
 function table.remove_value(t,value) -- todo: n
diff --git a/tex/context/base/luat-dum.lua b/tex/context/base/luat-dum.lua
index 699a0feef..dd5ade7a9 100644
--- a/tex/context/base/luat-dum.lua
+++ b/tex/context/base/luat-dum.lua
@@ -13,6 +13,11 @@ statistics = {
     starttiming   = dummyfunction,
     stoptiming    = dummyfunction,
 }
+directives = {
+    register      = dummyfunction,
+    enable        = dummyfunction,
+    disable       = dummyfunction,
+}
 trackers = {
     register      = dummyfunction,
     enable        = dummyfunction,
diff --git a/tex/context/base/lxml-aux.lua b/tex/context/base/lxml-aux.lua
index ccff8e90d..eb2f3bb85 100644
--- a/tex/context/base/lxml-aux.lua
+++ b/tex/context/base/lxml-aux.lua
@@ -111,7 +111,7 @@ function xml.collect_texts(root, pattern, flatten) -- todo: variant with handle
     if collected and flatten then
         local xmltostring = xml.tostring
         for c=1,#collected do
-            collected[c] = xmltostring(collected[c])
+            collected[c] = xmltostring(collected[c].dt)
         end
     end
     return collected or { }
diff --git a/tex/context/base/lxml-ctx.lua b/tex/context/base/lxml-ctx.lua
new file mode 100644
index 000000000..0ac12ab3c
--- /dev/null
+++ b/tex/context/base/lxml-ctx.lua
@@ -0,0 +1,127 @@
+if not modules then modules = { } end modules ['lxml-ctx'] = {
+    version   = 1.001,
+    comment   = "companion to lxml-ini.mkiv",
+    author    = "Hans Hagen, PRAGMA-ADE, Hasselt NL",
+    copyright = "PRAGMA ADE / ConTeXt Development Team",
+    license   = "see context related readme files"
+}
+
+-- is this still used?
+
+xml.ctx           = { }
+xml.ctx.enhancers = { }
+
+
+-- hashen
+
+function xml.ctx.enhancers.compound(root,lpath,before,tokens,after) -- todo lpeg
+    local before  = before or "[%a%d][%a%d][%a%d]"
+    local tokens  = tokens or "[%/%-]"
+    local after   = after  or "[%a%d][%a%d][%a%d]"
+    local pattern = "(" .. before .. ")(" .. tokens .. ")(" .. after .. ")"
+    local action  = function(a,b,c)
+        return a .. "<compound token=" .. string.format("%q",b) .. "/>" .. c
+    end
+    xml.enhance(root,lpath,pattern,action) -- still present?
+end
+
+local loaded = { }
+
+local nodesettostring = xml.nodesettostring
+
+-- maybe use detokenize instead of \type
+
+function xml.ctx.tshow(specification)
+    local pattern = specification.pattern
+    local xmlroot = specification.xmlroot
+    local attribute = specification.attribute
+    if context then
+        local xmlpattern = pattern
+        if not string.find(xmlpattern,"^[%a]+://") then
+            xmlpattern = "xml://" .. pattern
+        end
+        parsed = xml.parse_pattern(xmlpattern)
+        titlecommand = specification.title or "type"
+        if parsed.state then
+            context[titlecommand]("pattern: " .. pattern .. " (".. parsed.state .. ")")
+        else
+            context[titlecommand]("pattern: " .. pattern)
+        end
+        context.starttabulate({ "|Tr|Tl|Tp|" } )
+        if specification.warning and parsed.comment then
+            context.NC()
+            context("!")
+            context.NC()
+            context.rlap(parsed.comment)
+            context.NR()
+            context.TB()
+        end
+        for p=1,#parsed do
+            local pp = parsed[p]
+            local kind = pp.kind
+            context.NC()
+            context(p)
+            context.NC()
+            context(kind)
+            context.NC()
+            if kind == "axis" then
+                context(pp.axis)
+            elseif kind == "nodes" then
+                context(nodesettostring(pp.nodes,pp.nodetest))
+            elseif kind == "expression" then
+--~ context("%s => %s",pp.expression,pp.converted)
+                context(pp.expression)
+            elseif kind == "finalizer" then
+                context("%s(%s)",pp.name,pp.arguments)
+            elseif kind == "error" and pp.comment then
+                context(pp.comment)
+            end
+            context.NC()
+            context.NR()
+        end
+        context.stoptabulate()
+        if xmlroot and xmlroot ~= "" then
+            if not loaded[xmlroot] then
+                loaded[xmlroot] = { xml.convert(buffers.content(xmlroot) or "") }
+            end
+            local collected = xml.parse_apply(loaded[xmlroot],xmlpattern)
+            if collected then
+                local tc = type(collected)
+                if not tc then
+                    -- skip
+                else
+                    context.blank()
+                    context.type("result : ")
+                    if tc == "string" then
+                        context.type(collected)
+                    elseif tc == "table" then
+                        if collected.tg then
+                            collected  = { collected }
+                        end
+                        for c=1,#collected do
+                            local cc = collected[c]
+                            if attribute and attribute ~= "" then
+                                local ccat = cc.at
+                                local a = ccat and ccat[attribute]
+                                if a and a ~= "" then
+                                    context.type(a)
+                                    context.type(">")
+                                end
+                            end
+                            local ccns = cc.ns
+                            if ccns == "" then
+                                context.type(cc.tg)
+                            else
+                                context.type(ccns .. ":" .. cc.tg)
+                            end
+                            context.space()
+                        end
+                    else
+                        context.type(tostring(tc))
+                    end
+                    context.blank()
+                end
+            end
+        end
+    end
+end
diff --git a/tex/context/base/lxml-ctx.mkiv b/tex/context/base/lxml-ctx.mkiv
new file mode 100644
index 000000000..44d95ba96
--- /dev/null
+++ b/tex/context/base/lxml-ctx.mkiv
@@ -0,0 +1,64 @@
+%D \module
+%D   [       file=lxml-ini,
+%D        version=2007.08.17,
+%D          title=\CONTEXT\ \XML\ Support,
+%D       subtitle=Initialization,
+%D         author=Hans Hagen,
+%D           date=\currentdate,
+%D      copyright={PRAGMA / Hans Hagen \& Ton Otten}]
+%C
+%C This module is part of the \CONTEXT\ macro||package and is
+%C therefore copyrighted by \PRAGMA. See mreadme.pdf for
+%C details.
+
+%D Experimental. This might change! Also, it might become a module
+%D instead if core code.
+
+\writestatus{loading}{ConTeXt XML Support / Goodies}
+
+\registerctxluafile{lxml-ctx}{1.001}
+
+\unprotect
+
+% the letterbar is a messy hack and is needed for the tabulate
+
+\settrue \xmllshowbuffer
+\setfalse\xmllshowtitle
+\settrue \xmllshowwarning
+
+\definehead[lshowtitle][subsubsubsubsubject]
+\setuphead[lshowtitle][style=\tta]
+
+% \def\setuplxmlshow[#1]%
+%   {\dodoubleargument\getparameters[\??xl]}
+
+\def\xmllshow#1%
+  {\begingroup
+   \let|=\letterbar
+   \ctxlua{xml.ctx.tshow {
+        pattern = \!!bs#1\!!es,
+        \ifconditional\xmllshowtitle
+            title = "lshowtitle",
+        \fi
+        \ifconditional\xmllshowwarning
+            warning = true,
+        \fi
+    } }%
+   \endgroup}
+
+\def\xmllshowbuffer#1#2#3%
+  {\begingroup
+   \let|=\letterbar
+   \ctxlua{xml.ctx.tshow {
+        pattern = \!!bs#2\!!es,
+        \ifconditional\xmllshowbuffer
+            xmlroot = "#1",
+            attribute = "#3",
+        \fi
+        \ifconditional\xmllshowwarning
+            warning = true,
+        \fi
+     } }%
+   \endgroup}
+
+\protect
diff --git a/tex/context/base/lxml-ent.lua b/tex/context/base/lxml-ent.lua
index 69c37e8f9..9003c9d83 100644
--- a/tex/context/base/lxml-ent.lua
+++ b/tex/context/base/lxml-ent.lua
@@ -8,6 +8,7 @@ if not modules then modules = { } end modules ['lxml-ent'] = {
 
 local type, next =  type, next
 local texsprint, ctxcatcodes = tex.sprint, tex.ctxcatcodes
+local utf = unicode.utf8
 local utfupper = utf.upper
 
 --[[ldx--
diff --git a/tex/context/base/lxml-lpt.lua b/tex/context/base/lxml-lpt.lua
index 184d2f1ae..0f5407bda 100644
--- a/tex/context/base/lxml-lpt.lua
+++ b/tex/context/base/lxml-lpt.lua
@@ -35,8 +35,9 @@ a/b/c/text() a/b/c/text(1) a/b/c/text(-1) a/b/c/text(n)
 </typing>
 --ldx]]--
 
-local trace_lpath  = false  if trackers then trackers.register("xml.lpath",  function(v) trace_lpath  = v end) end
-local trace_lparse = false  if trackers then trackers.register("xml.lparse", function(v) trace_lparse = v end) end
+local trace_lpath    = false  if trackers then trackers.register("xml.path",    function(v) trace_lpath  = v end) end
+local trace_lparse   = false  if trackers then trackers.register("xml.parse",   function(v) trace_lparse = v end) end
+local trace_lprofile = false  if trackers then trackers.register("xml.profile", function(v) trace_lpath  = v trace_lparse = v trace_lprofile = v end) end
 
 --[[ldx--
 <p>We've now arrived at an interesting part: accessing the tree using a subset
@@ -694,7 +695,7 @@ local function parse_pattern(pattern) -- the gain of caching is rather minimal
                 parsed = { pattern = pattern }
             end
             cache[pattern] = parsed
-            if trace_lparse then
+            if trace_lparse and not trace_lprofile then
                 lshow(parsed)
             end
         end
@@ -714,6 +715,73 @@ end
 -- caching found lookups saves not that much (max .1 sec on a 8 sec run)
 -- and it also messes up finalizers
 
+local profiled = { }  xml.profiled = profiled
+
+local function profiled_apply(list,parsed,nofparsed)
+    local p = profiled[parsed.pattern]
+    if p then
+        p.tested = p.tested + 1
+    else
+        p = { tested = 1, matched = 0, finalized = 0 }
+        profiled[parsed.pattern] = p
+    end
+    local collected = list
+    for i=1,nofparsed do
+        local pi = parsed[i]
+        local kind = pi.kind
+        if kind == "axis" then
+            collected = apply_axis[pi.axis](collected)
+        elseif kind == "nodes" then
+            collected = apply_nodes(collected,pi.nodetest,pi.nodes)
+        elseif kind == "expression" then
+            collected = apply_expression(collected,pi.evaluator,i)
+        elseif kind == "finalizer" then
+            collected = pi.finalizer(collected)
+            p.matched = p.matched + 1
+            p.finalized = p.finalized + 1
+            return collected
+        end
+        if not collected or #collected == 0 then
+            return nil
+        end
+    end
+    if collected then
+        p.matched = p.matched + 1
+    end
+    return collected
+end
+
+local function traced_apply(list,parsed,nofparsed)
+    if trace_lparse then
+        lshow(parsed)
+    end
+    logs.report("lpath", "collecting : %s",parsed.pattern)
+    logs.report("lpath", " root tags : %s",tagstostring(list))
+    local collected = list
+    for i=1,nofparsed do
+        local pi = parsed[i]
+        local kind = pi.kind
+        if kind == "axis" then
+            collected = apply_axis[pi.axis](collected)
+            logs.report("lpath", "% 10i : ax : %s",(collected and #collected) or 0,pi.axis)
+        elseif kind == "nodes" then
+            collected = apply_nodes(collected,pi.nodetest,pi.nodes)
+            logs.report("lpath", "% 10i : ns : %s",(collected and #collected) or 0,nodesettostring(pi.nodes,pi.nodetest))
+        elseif kind == "expression" then
+            collected = apply_expression(collected,pi.evaluator,i)
+            logs.report("lpath", "% 10i : ex : %s",(collected and #collected) or 0,pi.expression)
+        elseif kind == "finalizer" then
+            collected = pi.finalizer(collected)
+            logs.report("lpath", "% 10i : fi : %s : %s(%s)",(collected and #collected) or 0,parsed.protocol or xml.defaultprotocol,pi.name,pi.arguments or "")
+            return collected
+        end
+        if not collected or #collected == 0 then
+            return nil
+        end
+    end
+    return collected
+end
+
 local function parse_apply(list,pattern)
     -- we avoid an extra call
     local parsed = cache[pattern]
@@ -730,60 +798,35 @@ local function parse_apply(list,pattern)
         return
     end
     local nofparsed = #parsed
-    if nofparsed > 0 then
-        if trace_lpath then
-            if trace_lparse then
-                lshow(parsed)
-            end
-            logs.report("lpath", "collecting : %s",pattern)
-            logs.report("lpath", " root tags : %s",tagstostring(list))
-            local collected = list
-            for i=1,nofparsed do
-                local pi = parsed[i]
-                local kind = pi.kind
-                if kind == "axis" then
-                    collected = apply_axis[pi.axis](collected)
-                --  collected = pi.apply(collected)
-                    logs.report("lpath", "% 10i : ax : %s",(collected and #collected) or 0,pi.axis)
-                elseif kind == "nodes" then
-                    collected = apply_nodes(collected,pi.nodetest,pi.nodes)
-                    logs.report("lpath", "% 10i : ns : %s",(collected and #collected) or 0,nodesettostring(pi.nodes,pi.nodetest))
-                elseif kind == "expression" then
-                    collected = apply_expression(collected,pi.evaluator,i)
-                    logs.report("lpath", "% 10i : ex : %s",(collected and #collected) or 0,pi.expression)
-                elseif kind == "finalizer" then
-                    collected = pi.finalizer(collected)
-                    logs.report("lpath", "% 10i : fi : %s : %s(%s)",(collected and #collected) or 0,parsed.protocol or xml.defaultprotocol,pi.name,pi.arguments or "")
-                    return collected
-                end
-                if not collected or #collected == 0 then
-                    return nil
+    if nofparsed == 0 then
+        -- something is wrong
+    elseif not trace_lpath then
+        -- normal apply, inline, no self
+        local collected = list
+        for i=1,nofparsed do
+            local pi = parsed[i]
+            local kind = pi.kind
+            if kind == "axis" then
+                local axis = pi.axis
+                if axis ~= "self" then
+                    collected = apply_axis[axis](collected)
                 end
+            elseif kind == "nodes" then
+                collected = apply_nodes(collected,pi.nodetest,pi.nodes)
+            elseif kind == "expression" then
+                collected = apply_expression(collected,pi.evaluator,i)
+            elseif kind == "finalizer" then
+                return pi.finalizer(collected)
             end
-            return collected
-        else
-            local collected = list
-            for i=1,nofparsed do
-                local pi = parsed[i]
-                local kind = pi.kind
-                if kind == "axis" then
-                    local axis = pi.axis
-                    if axis ~= "self" then
-                        collected = apply_axis[axis](collected)
-                    end
-                elseif kind == "nodes" then
-                    collected = apply_nodes(collected,pi.nodetest,pi.nodes)
-                elseif kind == "expression" then
-                    collected = apply_expression(collected,pi.evaluator,i)
-                elseif kind == "finalizer" then
-                    return pi.finalizer(collected)
-                end
-                if not collected or #collected == 0 then
-                    return nil
-                end
+            if not collected or #collected == 0 then
+                return nil
             end
-            return collected
         end
+        return collected
+    elseif trace_lprofile then
+        return profiled_apply(list,parsed,nofparsed)
+    else -- trace_lpath
+        return traced_apply(list,parsed,nofparsed)
     end
 end
 
diff --git a/tex/context/base/lxml-tex.lua b/tex/context/base/lxml-tex.lua
index 69f5b5116..0759a7277 100644
--- a/tex/context/base/lxml-tex.lua
+++ b/tex/context/base/lxml-tex.lua
@@ -1289,6 +1289,28 @@ statistics.register("lxml preparation time", function()
     end
 end)
 
+statistics.register("lxml lpath profile", function()
+    local p = xml.profiled
+    if p and next(p) then
+        local s = table.sortedkeys(p)
+        local tested, matched, finalized = 0, 0, 0
+        texio.write_nl("log","\nbegin of lxml profile\n")
+        texio.write_nl("log","\n   tested    matched  finalized    pattern\n\n")
+        for i=1,#s do
+            local pattern = s[i]
+            local pp = p[pattern]
+            local t, m, f = pp.tested, pp.matched, pp.finalized
+            tested, matched, finalized = tested + t, matched + m, finalized + f
+            texio.write_nl("log",format("%9i  %9i  %9i    %s",t,m,f,pattern))
+        end
+        texio.write_nl("log","\nend of lxml profile\n")
+        return format("%s patterns, %s tested, %s matched, %s finalized (see log for details)",#s,tested,matched,finalized)
+    else
+        return nil
+    end
+end)
+
+
 -- misc
 
 function lxml.nonspace(id,pattern) -- slow, todo loop
diff --git a/tex/context/base/lxml-xml.lua b/tex/context/base/lxml-xml.lua
index 7ff3f5955..215635e78 100644
--- a/tex/context/base/lxml-xml.lua
+++ b/tex/context/base/lxml-xml.lua
@@ -173,7 +173,15 @@ local function empty(collected)
                 local edt = e.dt
                 if edt then
                     local n = #edt
-                    if (n > 2) or (n > 0 and edt[1] == "") then
+                    if n == 1 then
+                        local edk = edt[1]
+                        local typ = type(edk)
+                        if typ == "table" then
+                            return false
+                        elseif edk ~= "" then -- maybe an extra tester for spacing only
+                            return false
+                        end
+                    elseif n > 1 then
                         return false
                     end
                 end
diff --git a/tex/context/base/m-directives.tex b/tex/context/base/m-directives.tex
new file mode 100644
index 000000000..c958f6cad
--- /dev/null
+++ b/tex/context/base/m-directives.tex
@@ -0,0 +1,5 @@
+\doifnotmode{mkiv} {\endinput}
+
+\starttext
+    \showdirectives
+\stoptext
diff --git a/tex/context/base/m-track.tex b/tex/context/base/m-track.tex
deleted file mode 100644
index cfcbbabff..000000000
--- a/tex/context/base/m-track.tex
+++ /dev/null
@@ -1,5 +0,0 @@
-\doifnotmode{mkiv} {\endinput}
-
-\starttext
-    \showtrackers
-\stoptext
diff --git a/tex/context/base/m-trackers.tex b/tex/context/base/m-trackers.tex
new file mode 100644
index 000000000..cfcbbabff
--- /dev/null
+++ b/tex/context/base/m-trackers.tex
@@ -0,0 +1,5 @@
+\doifnotmode{mkiv} {\endinput}
+
+\starttext
+    \showtrackers
+\stoptext
diff --git a/tex/context/base/node-inj.lua b/tex/context/base/node-inj.lua
index 2befb0167..5829513d3 100644
--- a/tex/context/base/node-inj.lua
+++ b/tex/context/base/node-inj.lua
@@ -312,6 +312,7 @@ function nodes.inject_kerns(head,where,keep)
 local k = wx[p]
 if k then
     n.xoffset = p.xoffset - d[1] - k[2]
+--~     n.xoffset = p.xoffset - k[2]
 else
                                          n.xoffset = p.xoffset - d[1]
 end
diff --git a/tex/context/base/trac-deb.lua b/tex/context/base/trac-deb.lua
index cd006e68b..4cd324922 100644
--- a/tex/context/base/trac-deb.lua
+++ b/tex/context/base/trac-deb.lua
@@ -194,13 +194,3 @@ function tracers.register_dump_hash(delta)
     end
     main.register_stop_actions(1,function() tracers.dump_hash(nil,true) end) -- at front
 end
-
--- trackers (maybe group the show by class)
-
-function trackers.show()
-    commands.writestatus("","")
-    for k,v in ipairs(trackers.list()) do
-        commands.writestatus("tracker",v)
-    end
-    commands.writestatus("","")
-end
diff --git a/tex/context/base/trac-deb.mkiv b/tex/context/base/trac-deb.mkiv
index 870c452ad..24e17f486 100644
--- a/tex/context/base/trac-deb.mkiv
+++ b/tex/context/base/trac-deb.mkiv
@@ -41,3 +41,8 @@
 \def\resettrackers      {\ctxlua{trackers.reset()}}
 \def\enabletrackers [#1]{\ctxlua{trackers.enable("#1")}}
 \def\disabletrackers[#1]{\ctxlua{trackers.disable("#1")}}
+
+\def\showdirectives       {\ctxlua{directives.show()}}
+%def\resetdirectives      {\ctxlua{directives.reset()}} % would be weird to use
+\def\enabledirectives [#1]{\ctxlua{directives.enable("#1")}}
+\def\disabledirectives[#1]{\ctxlua{directives.disable("#1")}}
diff --git a/tex/context/base/trac-inf.lua b/tex/context/base/trac-inf.lua
index 4386c0c96..1a1977f3f 100644
--- a/tex/context/base/trac-inf.lua
+++ b/tex/context/base/trac-inf.lua
@@ -161,3 +161,4 @@ function statistics.timed(action,report)
     statistics.stoptiming(timer)
     report("total runtime: %s",statistics.elapsedtime(timer))
 end
+
diff --git a/tex/context/base/trac-tra.lua b/tex/context/base/trac-tra.lua
index 56ca02dfb..3a8f14074 100644
--- a/tex/context/base/trac-tra.lua
+++ b/tex/context/base/trac-tra.lua
@@ -10,12 +10,15 @@ if not modules then modules = { } end modules ['trac-tra'] = {
 -- bound to a variable, like node.new, node.copy etc (contrary to for instance
 -- node.has_attribute which is bound to a has_attribute local variable in mkiv)
 
+local getinfo = debug.getinfo
+local type, next = type, next
+local concat = table.concat
+local format, find, lower, gmatch, gsub = string.format, string.find, string.lower, string.gmatch, string.gsub
+
 debugger = debugger or { }
 
 local counters = { }
 local names = { }
-local getinfo = debug.getinfo
-local format, find, lower, gmatch, gsub = string.format, string.find, string.lower, string.gmatch, string.gsub
 
 -- one
 
@@ -143,11 +146,11 @@ end
 --~ print("")
 --~ debugger.showstats(print,3)
 
-trackers = trackers or { }
-
-local data, done = { }, { }
+setters      = setters      or { }
+setters.data = setters.data or { }
 
-local function set(what,value)
+local function set(t,what,value)
+    local data, done = t.data, t.done
     if type(what) == "string" then
         what = aux.settings_to_array(what) -- inefficient but ok
     end
@@ -166,28 +169,30 @@ local function set(what,value)
     end
 end
 
-local function reset()
-    for d, f in next, data do
+local function reset(t)
+    for d, f in next, t.data do
         for i=1,#f do
             f[i](false)
         end
     end
 end
 
-local function enable(what)
-    set(what,true)
+local function enable(t,what)
+    set(t,what,true)
 end
 
-local function disable(what)
+local function disable(t,what)
+    local data = t.data
     if not what or what == "" then
-        done = { }
-        reset()
+        t.done = { }
+        reset(t)
     else
-        set(what,false)
+        set(t,what,false)
     end
 end
 
-function trackers.register(what,...)
+function setters.register(t,what,...)
+    local data = t.data
     what = lower(what)
     local w = data[what]
     if not w then
@@ -199,32 +204,32 @@ function trackers.register(what,...)
         if typ == "function" then
             w[#w+1] = fnc
         elseif typ == "string" then
-            w[#w+1] = function(value) set(fnc,value,nesting) end
+            w[#w+1] = function(value) set(t,fnc,value,nesting) end
         end
     end
 end
 
-function trackers.enable(what)
-    local e = trackers.enable
-    trackers.enable, done = enable, { }
-    enable(string.simpleesc(what))
-    trackers.enable, done = e, { }
+function setters.enable(t,what)
+    local e = t.enable
+    t.enable, t.done = enable, { }
+    enable(t,string.simpleesc(what))
+    t.enable, t.done = e, { }
 end
 
-function trackers.disable(what)
-    local e = trackers.disable
-    trackers.disable, done = disable, { }
-    disable(string.simpleesc(what))
-    trackers.disable, done = e, { }
+function setters.disable(t,what)
+    local e = t.disable
+    t.disable, t.done = disable, { }
+    disable(t,string.simpleesc(what))
+    t.disable, t.done = e, { }
 end
 
-function trackers.reset()
-    done = { }
-    reset()
+function setters.reset(t)
+    t.done = { }
+    reset(t)
 end
 
-function trackers.list() -- pattern
-    local list = table.sortedkeys(data)
+function setters.list(t) -- pattern
+    local list = table.sortedkeys(t.data)
     local user, system = { }, { }
     for l=1,#list do
         local what = list[l]
@@ -236,3 +241,136 @@ function trackers.list() -- pattern
     end
     return user, system
 end
+
+function setters.show(t)
+    commands.writestatus("","")
+    for k,v in ipairs(setters.list(t)) do
+        commands.writestatus(t.name,v)
+    end
+    commands.writestatus("","")
+end
+
+-- we could have used a bit of oo and the trackers:enable syntax but
+-- there is already a lot of code around using the singluar tracker
+
+function setters.new(name)
+    local t
+    t = {
+        data     = { },
+        name     = name,
+        enable   = function(...) setters.enable  (t,...) end,
+        disable  = function(...) setters.disable (t,...) end,
+        register = function(...) setters.register(t,...) end,
+        list     = function(...) setters.list    (t,...) end,
+        show     = function(...) setters.show    (t,...) end,
+    }
+    setters.data[name] = t
+    return t
+end
+
+trackers   = setters.new("trackers")
+directives = setters.new("directives")
+
+-- nice trick: we overload two of the directives related functions with variants that
+-- do tracing (itself using a tracker) .. proof of concept
+
+local trace_directives = false local trace_directives = false  trackers.register("system.directives", function(v) trace_directives = v end)
+
+local e = directives.enable
+local d = directives.disable
+
+function directives.enable(...)
+    commands.writestatus("directives","enabling: %s",concat({...}," "))
+    e(...)
+end
+
+function directives.disable(...)
+    commands.writestatus("directives","disabling: %s",concat({...}," "))
+    d(...)
+end
+
+--~ -- old code:
+--
+--~ trackers = trackers or { }
+--~ local data, done = { }, { }
+--~ local function set(what,value)
+--~     if type(what) == "string" then
+--~         what = aux.settings_to_array(what) -- inefficient but ok
+--~     end
+--~     for i=1,#what do
+--~         local w = what[i]
+--~         for d, f in next, data do
+--~             if done[d] then
+--~                 -- prevent recursion due to wildcards
+--~             elseif find(d,w) then
+--~                 done[d] = true
+--~                 for i=1,#f do
+--~                     f[i](value)
+--~                 end
+--~             end
+--~         end
+--~     end
+--~ end
+--~ local function reset()
+--~     for d, f in next, data do
+--~         for i=1,#f do
+--~             f[i](false)
+--~         end
+--~     end
+--~ end
+--~ local function enable(what)
+--~     set(what,true)
+--~ end
+--~ local function disable(what)
+--~     if not what or what == "" then
+--~         done = { }
+--~         reset()
+--~     else
+--~         set(what,false)
+--~     end
+--~ end
+--~ function trackers.register(what,...)
+--~     what = lower(what)
+--~     local w = data[what]
+--~     if not w then
+--~         w = { }
+--~         data[what] = w
+--~     end
+--~     for _, fnc in next, { ... } do
+--~         local typ = type(fnc)
+--~         if typ == "function" then
+--~             w[#w+1] = fnc
+--~         elseif typ == "string" then
+--~             w[#w+1] = function(value) set(fnc,value,nesting) end
+--~         end
+--~     end
+--~ end
+--~ function trackers.enable(what)
+--~     local e = trackers.enable
+--~     trackers.enable, done = enable, { }
+--~     enable(string.simpleesc(what))
+--~     trackers.enable, done = e, { }
+--~ end
+--~ function trackers.disable(what)
+--~     local e = trackers.disable
+--~     trackers.disable, done = disable, { }
+--~     disable(string.simpleesc(what))
+--~     trackers.disable, done = e, { }
+--~ end
+--~ function trackers.reset()
+--~     done = { }
+--~     reset()
+--~ end
+--~ function trackers.list() -- pattern
+--~     local list = table.sortedkeys(data)
+--~     local user, system = { }, { }
+--~     for l=1,#list do
+--~         local what = list[l]
+--~         if find(what,"^%*") then
+--~             system[#system+1] = what
+--~         else
+--~             user[#user+1] = what
+--~         end
+--~     end
+--~     return user, system
+--~ end
diff --git a/tex/generic/context/luatex-fonts-merged.lua b/tex/generic/context/luatex-fonts-merged.lua
index a1775edb5..9c513633b 100644
--- a/tex/generic/context/luatex-fonts-merged.lua
+++ b/tex/generic/context/luatex-fonts-merged.lua
@@ -1,6 +1,6 @@
 -- merged file : c:/data/develop/context/texmf/tex/generic/context/luatex-fonts-merged.lua
 -- parent file : c:/data/develop/context/texmf/tex/generic/context/luatex-fonts.lua
--- merge date  : 10/16/09 16:21:21
+-- merge date  : 10/18/09 15:26:25
 
 do -- begin closure to overcome local limits and interference
 
@@ -1107,7 +1107,7 @@ function table.tofile(filename,root,name,reduce,noquotes,hexify)
     end
 end
 
-local function flatten(t,f,complete)
+local function flatten(t,f,complete) -- is this used? meybe a variant with next, ...
     for i=1,#t do
         local v = t[i]
         if type(v) == "table" then
@@ -1136,6 +1136,24 @@ end
 
 table.flatten_one_level = table.unnest
 
+-- a better one:
+
+local function flattened(t,f)
+    if not f then
+        f = { }
+    end
+    for k, v in next, t do
+        if type(v) == "table" then
+            flattened(v,f)
+        else
+            f[k] = v
+        end
+    end
+    return f
+end
+
+table.flattened = flattened
+
 -- the next three may disappear
 
 function table.remove_value(t,value) -- todo: n
@@ -1802,6 +1820,11 @@ statistics = {
     starttiming   = dummyfunction,
     stoptiming    = dummyfunction,
 }
+directives = {
+    register      = dummyfunction,
+    enable        = dummyfunction,
+    disable       = dummyfunction,
+}
 trackers = {
     register      = dummyfunction,
     enable        = dummyfunction,
@@ -2681,6 +2704,7 @@ function nodes.inject_kerns(head,where,keep)
 local k = wx[p]
 if k then
     n.xoffset = p.xoffset - d[1] - k[2]
+--~     n.xoffset = p.xoffset - k[2]
 else
                                          n.xoffset = p.xoffset - d[1]
 end
@@ -3465,7 +3489,9 @@ function tfm.do_scale(tfmtable, scaledpoints)
     t.unicodes = tfmtable.unicodes
     t.indices = tfmtable.indices
     t.marks = tfmtable.marks
+t.goodies = tfmtable.goodies
 t.colorscheme = tfmtable.colorscheme
+--~ t.embedding = tfmtable.embedding
     t.descriptions = descriptions
     if tfmtable.fonts then
         t.fonts = table.fastcopy(tfmtable.fonts) -- hm  also at the end
@@ -5229,7 +5255,7 @@ otf.features.default = otf.features.default or { }
 otf.enhancers        = otf.enhancers        or { }
 otf.glists           = { "gsub", "gpos" }
 
-otf.version          = 2.631 -- beware: also sync font-mis.lua
+otf.version          = 2.633 -- beware: also sync font-mis.lua
 otf.pack             = true  -- beware: also sync font-mis.lua
 otf.syncspace        = true
 otf.notdef           = false
@@ -5349,7 +5375,7 @@ local enhancers = {
     "patch bugs",
     "merge cid fonts", "prepare unicode", "cleanup ttf tables", "compact glyphs", "reverse coverage",
     "cleanup aat", "enrich with features", "add some missing characters",
---~     "reorganize mark classes",
+    "reorganize mark classes",
     "reorganize kerns", -- moved here
     "flatten glyph lookups", "flatten anchor tables", "flatten feature tables",
     "prepare luatex tables",
@@ -5821,21 +5847,15 @@ otf.enhancers["analyse subtables"] = function(data,filename)
             end
             local flags = gk.flags
             if flags then
---~                 gk.flags = { -- forcing false packs nicer
---~                     (flags.ignorecombiningmarks and "mark")     or false,
---~                     (flags.ignoreligatures      and "ligature") or false,
---~                     (flags.ignorebaseglyphs     and "base")     or false,
---~                      flags.r2l                                  or false,
---~                 }
                 gk.flags = { -- forcing false packs nicer
-                    ((flags.ignorecombiningmarks or flags.mark_class) and "mark")     or false,
-                    ( flags.ignoreligatures                           and "ligature") or false,
-                    ( flags.ignorebaseglyphs                          and "base")     or false,
-                      flags.r2l                                                       or false,
+                    (flags.ignorecombiningmarks and "mark")     or false,
+                    (flags.ignoreligatures      and "ligature") or false,
+                    (flags.ignorebaseglyphs     and "base")     or false,
+                     flags.r2l                                  or false,
                 }
---~                 if flags.mark_class then
---~                     gk.markclass = luatex.markclasses[flags.mark_class]
---~                 end
+                if flags.mark_class then
+                    gk.markclass = luatex.markclasses[flags.mark_class]
+                end
             end
         end
     end
@@ -8751,12 +8771,11 @@ function chainprocs.gpos_pair(start,stop,kind,chainname,currentcontext,cache,cur
                 local factor = tfmdata.factor
                 while snext and snext.id == glyph and snext.subtype<256 and snext.font == currentfont do
                     local nextchar = snext.char
-local krn = kerns[nextchar]
+                    local krn = kerns[nextchar]
                     if not krn and marks[nextchar] then
                         prev = snext
                         snext = snext.next
                     else
---~                         local krn = kerns[nextchar]
                         if not krn then
                             -- skip
                         elseif type(krn) == "table" then
@@ -8828,7 +8847,7 @@ local function normal_handle_contextchain(start,kind,chainname,contexts,sequence
     local flags, done = sequence.flags, false
     local skipmark, skipligature, skipbase = flags[1], flags[2], flags[3]
     local someskip = skipmark or skipligature or skipbase -- could be stored in flags for a fast test (hm, flags could be false !)
-    local markclass = sequence.markclass
+    local markclass = sequence.markclass -- todo, first we need a proper test
     for k=1,#contexts do
         local match, current, last = true, start, start
         local ck = contexts[k]
@@ -8862,10 +8881,7 @@ local function normal_handle_contextchain(start,kind,chainname,contexts,sequence
                                     local ccd = descriptions[char]
                                     if ccd then
                                         local class = ccd.class
---~ if class == skipmark or class == skipligature or class == skipbase or (markclass and not markclass[char]) then
-                                        if class == skipmark or class == skipligature or class == skipbase then
---~                                         if someskip and (class == skipmark or class == skipligature or class == skipbase) then
-                                            -- skip 'm
+                                        if class == skipmark or class == skipligature or class == skipbase or (markclass and class == "mark" and not markclass[char]) then
                                             if trace_skips then
                                                 show_skip(kind,chainname,char,ck,class)
                                             end
@@ -8909,10 +8925,7 @@ local function normal_handle_contextchain(start,kind,chainname,contexts,sequence
                                     local ccd = descriptions[char]
                                     if ccd then
                                         local class = ccd.class
---~ if class == skipmark or class == skipligature or class == skipbase or (markclass and not markclass[char]) then
-                                        if class == skipmark or class == skipligature or class == skipbase then
---~                                         if someskip and class == skipmark or class == skipligature or class == skipbase then
-                                            -- skip 'm
+                                        if class == skipmark or class == skipligature or class == skipbase or (markclass and class == "mark" and not markclass[char]) then
                                             if trace_skips then
                                                 show_skip(kind,chainname,char,ck,class)
                                             end
@@ -8966,10 +8979,7 @@ local function normal_handle_contextchain(start,kind,chainname,contexts,sequence
                                     local ccd = descriptions[char]
                                     if ccd then
                                         local class = ccd.class
---~ if class == skipmark or class == skipligature or class == skipbase or (markclass and not markclass[char]) then
-                                        if class == skipmark or class == skipligature or class == skipbase then
---~                                         if someskip and class == skipmark or class == skipligature or class == skipbase then
-                                            -- skip 'm
+                                        if class == skipmark or class == skipligature or class == skipbase or (markclass and class == "mark" and not markclass[char]) then
                                             if trace_skips then
                                                 show_skip(kind,chainname,char,ck,class)
                                             end
@@ -10418,7 +10428,8 @@ if not modules then modules = { } end modules ['font-def'] = {
 local format, concat, gmatch, match, find, lower = string.format, table.concat, string.gmatch, string.match, string.find, string.lower
 local tostring, next = tostring, next
 
-local trace_defining = false  trackers.register("fonts.defining", function(v) trace_defining = v end)
+local trace_defining     = false  trackers  .register("fonts.defining", function(v) trace_defining     = v end)
+local directive_embedall = false  directives.register("fonts.embedall", function(v) directive_embedall = v end)
 
 trackers.register("fonts.loading", "fonts.defining", "otf.loading", "afm.loading", "tfm.loading")
 trackers.register("fonts.all", "fonts.*", "otf.*", "afm.*", "tfm.*")
@@ -10692,7 +10703,9 @@ function tfm.read(specification)
             end
         end
         if tfmtable then
-            if tfmtable.filename and fonts.dontembed[tfmtable.filename] then
+            if directive_embedall then
+                tfmtable.embedding = "full"
+            elseif tfmtable.filename and fonts.dontembed[tfmtable.filename] then
                 tfmtable.embedding = "no"
             else
                 tfmtable.embedding = "subset"
-- 
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