2017-07-30 19:35:00

73 files changed, 136 insertions, 202 deletions

diff --git a/doc/context/documents/general/qrcs/setup-cs.pdf b/doc/context/documents/general/qrcs/setup-cs.pdf
index a0053d6f5..504db3377 100644
--- a/doc/context/documents/general/qrcs/setup-cs.pdf
+++ b/doc/context/documents/general/qrcs/setup-cs.pdf
diff --git a/doc/context/documents/general/qrcs/setup-de.pdf b/doc/context/documents/general/qrcs/setup-de.pdf
index 03475267e..ce676e1f8 100644
--- a/doc/context/documents/general/qrcs/setup-de.pdf
+++ b/doc/context/documents/general/qrcs/setup-de.pdf
diff --git a/doc/context/documents/general/qrcs/setup-en.pdf b/doc/context/documents/general/qrcs/setup-en.pdf
index d1f8f2779..66ccb3842 100644
--- a/doc/context/documents/general/qrcs/setup-en.pdf
+++ b/doc/context/documents/general/qrcs/setup-en.pdf
diff --git a/doc/context/documents/general/qrcs/setup-fr.pdf b/doc/context/documents/general/qrcs/setup-fr.pdf
index af01a90e6..05bdf89fd 100644
--- a/doc/context/documents/general/qrcs/setup-fr.pdf
+++ b/doc/context/documents/general/qrcs/setup-fr.pdf
diff --git a/doc/context/documents/general/qrcs/setup-it.pdf b/doc/context/documents/general/qrcs/setup-it.pdf
index f1c34d492..e9a363f49 100644
--- a/doc/context/documents/general/qrcs/setup-it.pdf
+++ b/doc/context/documents/general/qrcs/setup-it.pdf
diff --git a/doc/context/documents/general/qrcs/setup-nl.pdf b/doc/context/documents/general/qrcs/setup-nl.pdf
index c85de095b..af0e3b092 100644
--- a/doc/context/documents/general/qrcs/setup-nl.pdf
+++ b/doc/context/documents/general/qrcs/setup-nl.pdf
diff --git a/doc/context/documents/general/qrcs/setup-ro.pdf b/doc/context/documents/general/qrcs/setup-ro.pdf
index 1492351bd..d9ebcff66 100644
--- a/doc/context/documents/general/qrcs/setup-ro.pdf
+++ b/doc/context/documents/general/qrcs/setup-ro.pdf
diff --git a/tex/context/base/mkii/cont-new.mkii b/tex/context/base/mkii/cont-new.mkii
index 270ec5086..e16fe93de 100644
--- a/tex/context/base/mkii/cont-new.mkii
+++ b/tex/context/base/mkii/cont-new.mkii
@@ -11,7 +11,7 @@
 %C therefore copyrighted by \PRAGMA. See mreadme.pdf for
 %C details.
 
-\newcontextversion{2017.07.29 23:08}
+\newcontextversion{2017.07.30 19:30}
 
 %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/mkii/context.mkii b/tex/context/base/mkii/context.mkii
index a6d1ac5d8..ab6dfc97f 100644
--- a/tex/context/base/mkii/context.mkii
+++ b/tex/context/base/mkii/context.mkii
@@ -20,7 +20,7 @@
 %D your styles an modules.
 
 \edef\contextformat {\jobname}
-\edef\contextversion{2017.07.29 23:08}
+\edef\contextversion{2017.07.30 19:30}
 
 %D For those who want to use this:
 
diff --git a/tex/context/base/mkiv/anch-pos.lua b/tex/context/base/mkiv/anch-pos.lua
index 2ba9e2420..16ecf7990 100644
--- a/tex/context/base/mkiv/anch-pos.lua
+++ b/tex/context/base/mkiv/anch-pos.lua
@@ -56,8 +56,6 @@ local setmetatablenewindex = table.setmetatablenewindex
 
 local nuts              = nodes.nuts
 
-local getfield          = nuts.getfield
-local setfield          = nuts.setfield
 local setlink           = nuts.setlink
 local getlist           = nuts.getlist
 local setlist           = nuts.setlist
diff --git a/tex/context/base/mkiv/back-exp.lua b/tex/context/base/mkiv/back-exp.lua
index 0b27b0541..8210a2a20 100644
--- a/tex/context/base/mkiv/back-exp.lua
+++ b/tex/context/base/mkiv/back-exp.lua
@@ -121,7 +121,6 @@ local getdisc           = nuts.getdisc
 local getcomponents     = nuts.getcomponents
 local getlist           = nuts.getlist
 local getid             = nuts.getid
-local getfield          = nuts.getfield
 local getattr           = nuts.getattr
 local setattr           = nuts.setattr -- maybe use properties
 local isglyph           = nuts.isglyph
diff --git a/tex/context/base/mkiv/cont-new.mkiv b/tex/context/base/mkiv/cont-new.mkiv
index 8db3813cb..8bf5e895c 100644
--- a/tex/context/base/mkiv/cont-new.mkiv
+++ b/tex/context/base/mkiv/cont-new.mkiv
@@ -11,7 +11,7 @@
 %C therefore copyrighted by \PRAGMA. See mreadme.pdf for
 %C details.
 
-\newcontextversion{2017.07.29 23:08}
+\newcontextversion{2017.07.30 19:30}
 
 %D This file is loaded at runtime, thereby providing an excellent place for
 %D hacks, patches, extensions and new features.
diff --git a/tex/context/base/mkiv/context.mkiv b/tex/context/base/mkiv/context.mkiv
index 4685eef17..945fb9c27 100644
--- a/tex/context/base/mkiv/context.mkiv
+++ b/tex/context/base/mkiv/context.mkiv
@@ -41,7 +41,7 @@
 %D up and the dependencies are more consistent.
 
 \edef\contextformat {\jobname}
-\edef\contextversion{2017.07.29 23:08}
+\edef\contextversion{2017.07.30 19:30}
 \edef\contextkind   {beta}
 
 %D For those who want to use this:
diff --git a/tex/context/base/mkiv/font-chk.lua b/tex/context/base/mkiv/font-chk.lua
index 5630892fe..3126a8fe8 100644
--- a/tex/context/base/mkiv/font-chk.lua
+++ b/tex/context/base/mkiv/font-chk.lua
@@ -62,7 +62,6 @@ local tonode               = nuts.tonode
 local getfont              = nuts.getfont
 local getchar              = nuts.getchar
 
-local setfield             = nuts.setfield
 local setchar              = nuts.setchar
 
 local traverse_id          = nuts.traverse_id
diff --git a/tex/context/base/mkiv/font-col.lua b/tex/context/base/mkiv/font-col.lua
index 8c96202ec..ff49ef854 100644
--- a/tex/context/base/mkiv/font-col.lua
+++ b/tex/context/base/mkiv/font-col.lua
@@ -23,7 +23,6 @@ local tonut              = nuts.tonut
 local getfont            = nuts.getfont
 local getchar            = nuts.getchar
 
-local setfield           = nuts.setfield
 local setfont            = nuts.setfont
 
 local traverse_id        = nuts.traverse_id
diff --git a/tex/context/base/mkiv/font-ctx.lua b/tex/context/base/mkiv/font-ctx.lua
index eabd1d435..53683c491 100644
--- a/tex/context/base/mkiv/font-ctx.lua
+++ b/tex/context/base/mkiv/font-ctx.lua
@@ -75,8 +75,6 @@ local aglunicodes         = nil -- delayed loading
 local nuts                = nodes.nuts
 local tonut               = nuts.tonut
 
-local getfield            = nuts.getfield
-local setfield            = nuts.setfield
 local getattr             = nuts.getattr
 local setattr             = nuts.setattr
 local getprop             = nuts.getprop
diff --git a/tex/context/base/mkiv/font-nod.lua b/tex/context/base/mkiv/font-nod.lua
index c70763e6b..0df121a31 100644
--- a/tex/context/base/mkiv/font-nod.lua
+++ b/tex/context/base/mkiv/font-nod.lua
@@ -69,7 +69,6 @@ local getkern          = nuts.getkern
 local getdir           = nuts.getdir
 local getwidth         = nuts.getwidth
 
-local setfield         = nuts.setfield
 local setbox           = nuts.setbox
 local setchar          = nuts.setchar
 local setsubtype       = nuts.setsubtype
diff --git a/tex/context/base/mkiv/font-otj.lua b/tex/context/base/mkiv/font-otj.lua
index e11fbd4bd..5ab9dd12b 100644
--- a/tex/context/base/mkiv/font-otj.lua
+++ b/tex/context/base/mkiv/font-otj.lua
@@ -68,7 +68,6 @@ local nodepool           = nuts.pool
 local tonode             = nuts.tonode
 local tonut              = nuts.tonut
 
-local getfield           = nuts.getfield
 local setfield           = nuts.setfield
 local getnext            = nuts.getnext
 local getprev            = nuts.getprev
diff --git a/tex/context/base/mkiv/font-ots.lua b/tex/context/base/mkiv/font-ots.lua
index fa779a6af..92c6b96bf 100644
--- a/tex/context/base/mkiv/font-ots.lua
+++ b/tex/context/base/mkiv/font-ots.lua
@@ -175,7 +175,6 @@ local tonode             = nuts.tonode
 local tonut              = nuts.tonut
 
 local getfield           = nuts.getfield
-local setfield           = nuts.setfield
 local getnext            = nuts.getnext
 local setnext            = nuts.setnext
 local getprev            = nuts.getprev
@@ -1951,6 +1950,7 @@ local function chainrun(head,start,last,dataset,sequence,rlmode,ck,skipped)
                                 done = true
                                 if n and n > 1 and i + n > nofchainlookups then
                                     -- this is a safeguard, we just ignore the rest of the lookups
+i = size -- prevents an advance
                                     break
                                 end
                             end
@@ -2333,7 +2333,7 @@ end
 -- tests because they have many steps with one context (having multiple contexts makes more sense)
 -- also because we (can) reduce them.
 
-local function handle_contextchain(head,start,dataset,sequence,contexts,rlmode)
+local function traditional_handle_contextchain(head,start,dataset,sequence,contexts,rlmode)
     local sweepnode    = sweepnode
     local sweeptype    = sweeptype
     local currentfont  = currentfont
@@ -3336,18 +3336,22 @@ local function optimized_handle_contextchain(head,start,dataset,sequence,context
     return head, start, done
 end
 
+------------------------------
+
+local handle_contextchain = traditional_handle_contextchain
+
 directives.register("otf.optimizechains",function(v)
     if v then
         report_chain()
         report_chain("using experimental optimized code")
         report_chain()
     end
-    local handle = v and optimized_handle_contextchain or handle_contextchain
-    handlers.gsub_context             = handle
-    handlers.gsub_contextchain        = handle
-    handlers.gsub_reversecontextchain = handle
-    handlers.gpos_contextchain        = handle
-    handlers.gpos_context             = handle
+    handle_contextchain = v and optimized_handle_contextchain or traditional_handle_contextchain
+    handlers.gsub_context             = handle_contextchain
+    handlers.gsub_contextchain        = handle_contextchain
+    handlers.gsub_reversecontextchain = handle_contextchain
+    handlers.gpos_contextchain        = handle_contextchain
+    handlers.gpos_context             = handle_contextchain
 end)
 
 ------------------------------
@@ -3375,6 +3379,8 @@ chainprocs.gsub_reversecontextchain = chained_contextchain
 chainprocs.gpos_contextchain        = chained_contextchain
 chainprocs.gpos_context             = chained_contextchain
 
+------------------------------
+
 -- experiment (needs no handler in font-otc so not now):
 --
 -- function otf.registerchainproc(name,f)
diff --git a/tex/context/base/mkiv/lang-dis.lua b/tex/context/base/mkiv/lang-dis.lua
index 50150d9e2..0dfb1ce08 100644
--- a/tex/context/base/mkiv/lang-dis.lua
+++ b/tex/context/base/mkiv/lang-dis.lua
@@ -19,7 +19,6 @@ local setaction          = tasks.setaction
 local tonode             = nuts.tonode
 local tonut              = nuts.tonut
 
-local getfield           = nuts.getfield
 local setfield           = nuts.setfield
 local getnext            = nuts.getnext
 local getprev            = nuts.getprev
diff --git a/tex/context/base/mkiv/lang-rep.lua b/tex/context/base/mkiv/lang-rep.lua
index 6fde353f7..f7eeefdba 100644
--- a/tex/context/base/mkiv/lang-rep.lua
+++ b/tex/context/base/mkiv/lang-rep.lua
@@ -51,8 +51,6 @@ local getid              = nuts.getid
 local getchar            = nuts.getchar
 local isglyph            = nuts.isglyph
 
-local setfield           = nuts.setfield
-local getfield           = nuts.getfield
 local setattr            = nuts.setattr
 local setlink            = nuts.setlink
 local setnext            = nuts.setnext
diff --git a/tex/context/base/mkiv/lpdf-tag.lua b/tex/context/base/mkiv/lpdf-tag.lua
index 9d33df6f3..163e50b48 100644
--- a/tex/context/base/mkiv/lpdf-tag.lua
+++ b/tex/context/base/mkiv/lpdf-tag.lua
@@ -64,7 +64,6 @@ local getprev             = nuts.getprev
 local getnext             = nuts.getnext
 local getlist             = nuts.getlist
 
-local setfield            = nuts.setfield
 local setlink             = nuts.setlink
 local setlist             = nuts.setlist
 
diff --git a/tex/context/base/mkiv/math-dir.lua b/tex/context/base/mkiv/math-dir.lua
index cba991b84..759f1e797 100644
--- a/tex/context/base/mkiv/math-dir.lua
+++ b/tex/context/base/mkiv/math-dir.lua
@@ -33,7 +33,6 @@ local getid              = nuts.getid
 local getlist            = nuts.getlist
 local getattr            = nuts.getattr
 
-local setfield           = nuts.setfield
 local setchar            = nuts.setchar
 local setlist            = nuts.setlist
 
diff --git a/tex/context/base/mkiv/math-tag.lua b/tex/context/base/mkiv/math-tag.lua
index 9bb1f1428..a967ed3e8 100644
--- a/tex/context/base/mkiv/math-tag.lua
+++ b/tex/context/base/mkiv/math-tag.lua
@@ -33,6 +33,10 @@ local setattr             = nuts.setattr
 local getcomponents       = nuts.getcomponents
 local getwidth            = nuts.getwidth
 
+local getnucleus          = nuts.getnucleus
+local getsub              = nuts.getsub
+local getsup              = nuts.getsup
+
 local set_attributes      = nuts.setattributes
 local traverse_nodes      = nuts.traverse
 
@@ -100,9 +104,9 @@ local function processsubsup(start)
     -- At some point we might need to add an attribute signaling the
     -- super- and subscripts because TeX and MathML use a different
     -- order. The mrows are needed to keep mn's separated.
-    local nucleus = getfield(start,"nucleus")
-    local sup     = getfield(start,"sup")
-    local sub     = getfield(start,"sub")
+    local nucleus = getnucleus(start)
+    local sup     = getsup(start)
+    local sub     = getsub(start)
     if sub then
         if sup then
             setattr(start,a_tagged,start_tagged("msubsup"))
diff --git a/tex/context/base/mkiv/node-acc.lua b/tex/context/base/mkiv/node-acc.lua
index c3400c752..1cbf82b70 100644
--- a/tex/context/base/mkiv/node-acc.lua
+++ b/tex/context/base/mkiv/node-acc.lua
@@ -22,7 +22,6 @@ local getlist            = nuts.getlist
 local getchar            = nuts.getchar
 local getnext            = nuts.getnext
 
-local setfield           = nuts.setfield
 local setattr            = nuts.setattr
 local setlink            = nuts.setlink
 local setchar            = nuts.setchar
diff --git a/tex/context/base/mkiv/node-bck.lua b/tex/context/base/mkiv/node-bck.lua
index abb025b74..4ed5abe5e 100644
--- a/tex/context/base/mkiv/node-bck.lua
+++ b/tex/context/base/mkiv/node-bck.lua
@@ -26,7 +26,6 @@ local nodepool          = nuts.pool
 local tonode            = nuts.tonode
 local tonut             = nuts.tonut
 
-local getfield          = nuts.getfield
 local getnext           = nuts.getnext
 local getprev           = nuts.getprev
 local getid             = nuts.getid
diff --git a/tex/context/base/mkiv/node-fin.lua b/tex/context/base/mkiv/node-fin.lua
index 5d01f6e5a..330d2fe31 100644
--- a/tex/context/base/mkiv/node-fin.lua
+++ b/tex/context/base/mkiv/node-fin.lua
@@ -19,7 +19,6 @@ local nuts               = nodes.nuts
 local tonode             = nuts.tonode
 local tonut              = nuts.tonut
 
-local getfield           = nuts.getfield
 local getnext            = nuts.getnext
 local getprev            = nuts.getprev
 local getid              = nuts.getid
@@ -395,7 +394,7 @@ local function selective(attribute,head,inheritance,default) -- two attributes
                 if leader then
                     -- begin nested
                     if nstrigger and getattr(stack,nstrigger) then
-                        local outer = getatribute(stack,attribute)
+                        local outer = getattr(stack,attribute)
                         if outer ~= inheritance then
                             local list, ok = selective(attribute,leader,inheritance,outer)
                             if leader ~= list then
diff --git a/tex/context/base/mkiv/node-fnt.lua b/tex/context/base/mkiv/node-fnt.lua
index c0d7eecc8..888e61cdb 100644
--- a/tex/context/base/mkiv/node-fnt.lua
+++ b/tex/context/base/mkiv/node-fnt.lua
@@ -57,7 +57,6 @@ local getfield          = nuts.getfield
 local setchar           = nuts.setchar
 local setlink           = nuts.setlink
 local setnext           = nuts.setnext
-local setfield          = nuts.setfield
 local setprev           = nuts.setprev
 
 local isglyph           = nuts.isglyph -- unchecked
diff --git a/tex/context/base/mkiv/node-nut.lua b/tex/context/base/mkiv/node-nut.lua
index 87df5d5b2..54c3c7f9f 100644
--- a/tex/context/base/mkiv/node-nut.lua
+++ b/tex/context/base/mkiv/node-nut.lua
@@ -117,99 +117,85 @@ nodes.tonut               = tonut
 
 -- getters
 
-if not direct.getwhd then
-    local getfield = direct.getfield
-    function direct.getwhd(n)
-        return getfield(n,"width"), getfield(n,"height"), getfield(n,"depth")
-    end
-end
-
-if not direct.setwhd then
-    local setfield = direct.setfield
-    function direct.setwhd(n,w,h,d)
-        setfield(n,"width",w or 0)
-        setfield(n,"height",h or 0)
-        setfield(n,"depth",d or 0)
-    end
-end
-
-if not direct.getcomponents then
-
-    local getfield   = direct.getfield
-    local setfield   = direct.setfield
-    local setsubtype = direct.setsubtype
-
-    local attributelist_code = nodecodes.attributelist
-
-    function direct.getcomponents(n)   return getfield(n,"components")   end
-    function direct.setcomponents(n,c)        setfield(n,"components",c) end
-    function direct.getkern(n)         return getfield(n,"kern")         end
-    function direct.getwidth(n)        return getfield(n,"width")        end
-    function direct.setwidth(n,w)      return setfield(n,"width",w)      end
-    function direct.getheight(n)       return getfield(n,"height")       end
-    function direct.setheight(n,h)     return setfield(n,"height",h)     end
-    function direct.getdepth(n)        return getfield(n,"depth")        end
-    function direct.setdepth(n,d)      return setfield(n,"depth",d)      end
-    function direct.getshift(n)        return getfield(n,"shift")        end
-    function direct.setshift(n,s)      return setfield(n,"shift",s)      end
-    function direct.getpenalty(n)      return getfield(n,"penalty")      end
-    function direct.setpenalty(n,p)           setfield(n,"penalty",p)    end
-    function direct.getdir(n)          return getfield(n,"dir")          end
-    function direct.setdir(n,p)               setfield(n,"dir",p)        end
-    function direct.getlanguage(n)     return getfield(n,"lang")         end
-    function direct.setlanguage(n,l)   return setfield(n,"lang",l)       end
-    function direct.getattributelist(n)       getfield(n,"attr")         end
-
-    function direct.getnucleus(n)      return getfield(n,"nucleus")      end
-    function direct.setnucleus(n,p)    return setfield(n,"nucleus",p)    end
-    function direct.getsup(n)          return getfield(n,"sup")          end
-    function direct.setsup(n,p)        return setfield(n,"sup",p)        end
-    function direct.getsub(n)          return getfield(n,"sub")          end
-    function direct.setsub(n,p)        return setfield(n,"sub",p)        end
-
-    function direct.setattributelist(n,a)
-        if a and type(a) ~= attributelist_code then
-            a = getfield(a,"attr")
-        end
-        setfield(n,"attr",a)
-    end
-
-    function direct.setkern(n,k,s)
-        setfield(n,"kern",k)
-        if s then
-            setsubtype(n,s)
-        end
-    end
-
-    function direct.setfont(n,f,c)
-        setfield(n,"font",f)
-        if c then
-            setfield(n,"char",f)
-        end
-    end
-
-    function direct.getoffsets(n)
-        return getfield(n,"xoffset"), getfield(n,"yoffset")
-    end
-
-    function direct.setoffsets(n,x,y)
-        if x then
-            setfield(n,"xoffset",x)
-        end
-        if y then
-            setfield(n,"yoffset",y)
-        end
-    end
-
-end
-
-if LUATEXVERSION < 1.005 then
-    local getfield = direct.getfield
-    function direct.getnucleus(n) return getfield(n,"nucleus") end
-    function direct.getsub    (n) return getfield(n,"sub") end
-    function direct.getsup    (n) return getfield(n,"sup") end
-end
+-- if not direct.getcomponents then
+--
+--     local getfield   = direct.getfield
+--     local setfield   = direct.setfield
+--     local setsubtype = direct.setsubtype
+--
+--     local attributelist_code = nodecodes.attributelist
+--
+--     function direct.getcomponents(n)   return getfield(n,"components")   end
+--     function direct.setcomponents(n,c)        setfield(n,"components",c) end
+--     function direct.getkern(n)         return getfield(n,"kern")         end
+--     function direct.getwidth(n)        return getfield(n,"width")        end
+--     function direct.setwidth(n,w)      return setfield(n,"width",w)      end
+--     function direct.getheight(n)       return getfield(n,"height")       end
+--     function direct.setheight(n,h)     return setfield(n,"height",h)     end
+--     function direct.getdepth(n)        return getfield(n,"depth")        end
+--     function direct.setdepth(n,d)      return setfield(n,"depth",d)      end
+--     function direct.getshift(n)        return getfield(n,"shift")        end
+--     function direct.setshift(n,s)      return setfield(n,"shift",s)      end
+--     function direct.getpenalty(n)      return getfield(n,"penalty")      end
+--     function direct.setpenalty(n,p)           setfield(n,"penalty",p)    end
+--     function direct.getdir(n)          return getfield(n,"dir")          end
+--     function direct.setdir(n,p)               setfield(n,"dir",p)        end
+--     function direct.getlanguage(n)     return getfield(n,"lang")         end
+--     function direct.setlanguage(n,l)   return setfield(n,"lang",l)       end
+--     function direct.getattributelist(n)       getfield(n,"attr")         end
+--
+--     function direct.getnucleus(n)      return getfield(n,"nucleus")      end
+--     function direct.setnucleus(n,p)    return setfield(n,"nucleus",p)    end
+--     function direct.getsup(n)          return getfield(n,"sup")          end
+--     function direct.setsup(n,p)        return setfield(n,"sup",p)        end
+--     function direct.getsub(n)          return getfield(n,"sub")          end
+--     function direct.setsub(n,p)        return setfield(n,"sub",p)        end
+--
+--     function direct.setattributelist(n,a)
+--         if a and type(a) ~= attributelist_code then
+--             a = getfield(a,"attr")
+--         end
+--         setfield(n,"attr",a)
+--     end
+--
+--     function direct.setkern(n,k,s)
+--         setfield(n,"kern",k)
+--         if s then
+--             setsubtype(n,s)
+--         end
+--     end
+--
+--     function direct.setfont(n,f,c)
+--         setfield(n,"font",f)
+--         if c then
+--             setfield(n,"char",f)
+--         end
+--     end
+--
+--     function direct.getoffsets(n)
+--         return getfield(n,"xoffset"), getfield(n,"yoffset")
+--     end
+--
+--     function direct.setoffsets(n,x,y)
+--         if x then
+--             setfield(n,"xoffset",x)
+--         end
+--         if y then
+--             setfield(n,"yoffset",y)
+--         end
+--     end
+--
+-- end
+--
+-- if LUATEXVERSION < 1.005 then
+--     local getfield = direct.getfield
+--     function direct.getnucleus(n) return getfield(n,"nucleus") end
+--     function direct.getsub    (n) return getfield(n,"sub") end
+--     function direct.getsup    (n) return getfield(n,"sup") end
+-- end
 
+-- -- some tracing:
+--
 -- local hash = table.setmetatableindex("number")
 -- local ga = direct.get_attribute
 -- function direct.get_attribute(n,a)
@@ -219,7 +205,7 @@ end
 -- function nuts.reportattr()
 --     inspect(hash)
 -- end
-
+--
 -- local function track(name)
 --     local n = 0
 --     local f = nuts[name]
diff --git a/tex/context/base/mkiv/node-ref.lua b/tex/context/base/mkiv/node-ref.lua
index f2f660e67..a0dc7e793 100644
--- a/tex/context/base/mkiv/node-ref.lua
+++ b/tex/context/base/mkiv/node-ref.lua
@@ -51,7 +51,6 @@ local tonode               = nuts.tonode
 local tonut                = nuts.tonut
 
 local getfield             = nuts.getfield
-local setfield             = nuts.setfield
 local setlink              = nuts.setlink
 local setnext              = nuts.setnext
 local setprev              = nuts.setprev
diff --git a/tex/context/base/mkiv/node-rul.lua b/tex/context/base/mkiv/node-rul.lua
index 316c3fded..ad0a1d706 100644
--- a/tex/context/base/mkiv/node-rul.lua
+++ b/tex/context/base/mkiv/node-rul.lua
@@ -28,7 +28,6 @@ local tonode             = nuts.tonode
 local tonut              = nuts.tonut
 
 local getfield           = nuts.getfield
-local setfield           = nuts.setfield
 local setnext            = nuts.setnext
 local setprev            = nuts.setprev
 local setlink            = nuts.setlink
diff --git a/tex/context/base/mkiv/node-shp.lua b/tex/context/base/mkiv/node-shp.lua
index 216e6462a..86d08098d 100644
--- a/tex/context/base/mkiv/node-shp.lua
+++ b/tex/context/base/mkiv/node-shp.lua
@@ -37,7 +37,6 @@ local tonode         = nuts.tonode
 local remove_node    = nuts.remove
 local traverse_nodes = nuts.traverse
 
-local getfield       = nuts.getfield
 local setfield       = nuts.setfield
 local setlink        = nuts.setlink
 local setprev        = nuts.setprev
diff --git a/tex/context/base/mkiv/node-tra.lua b/tex/context/base/mkiv/node-tra.lua
index 8c79e0ab8..d5165c50b 100644
--- a/tex/context/base/mkiv/node-tra.lua
+++ b/tex/context/base/mkiv/node-tra.lua
@@ -38,7 +38,6 @@ local nuts             = nodes.nuts
 local tonut            = nuts.tonut
 local tonode           = nuts.tonode
 
-local getfield         = nuts.getfield
 local getnext          = nuts.getnext
 local getprev          = nuts.getprev
 local getid            = nuts.getid
@@ -376,8 +375,7 @@ local f_z_f = formatters["%0.5Fpt minus %0.5F%s"]
 local f_z_m = formatters["%0.5Fpt minus %0.5Fpt"]
 local f_z_z = formatters["%0.5Fpt"]
 
-local tonut    = nodes.tonut
-local getfield = nodes.nuts.getfield
+local tonut = nodes.tonut
 
 local function nodetodimen(n)
     n = tonut(n)
diff --git a/tex/context/base/mkiv/node-tst.lua b/tex/context/base/mkiv/node-tst.lua
index 1109f28a3..7ad35bd71 100644
--- a/tex/context/base/mkiv/node-tst.lua
+++ b/tex/context/base/mkiv/node-tst.lua
@@ -26,7 +26,6 @@ local belowdisplayshortskip_code = skipcodes.belowdisplayshortskip
 
 local nuts                       = nodes.nuts
 
-local getfield                   = nuts.getfield
 local getnext                    = nuts.getnext
 local getprev                    = nuts.getprev
 local getid                      = nuts.getid
diff --git a/tex/context/base/mkiv/node-typ.lua b/tex/context/base/mkiv/node-typ.lua
index dea48cda8..021bfefc2 100644
--- a/tex/context/base/mkiv/node-typ.lua
+++ b/tex/context/base/mkiv/node-typ.lua
@@ -15,12 +15,10 @@ local nuts            = nodes.nuts
 local tonode          = nuts.tonode
 local tonut           = nuts.tonut
 
-local setfield        = nuts.setfield
 local setlink         = nuts.setlink
 local setchar         = nuts.setchar
 local setattrlist     = nuts.setattrlist
 
-local getfield        = nuts.getfield
 local getfont         = nuts.getfont
 local getattrlist     = nuts.getattrlist
 
diff --git a/tex/context/base/mkiv/page-cst.lua b/tex/context/base/mkiv/page-cst.lua
index 03707a312..3fa7f9d96 100644
--- a/tex/context/base/mkiv/page-cst.lua
+++ b/tex/context/base/mkiv/page-cst.lua
@@ -42,8 +42,6 @@ local vpack               = nuts.vpack
 local flushlist           = nuts.flush_list
 ----- removenode          = nuts.remove
 
-local getfield            = nuts.getfield
-local setfield            = nuts.setfield
 local setlink             = nuts.setlink
 local setlist             = nuts.setlist
 local setnext             = nuts.setnext
@@ -768,7 +766,8 @@ end
 --     while head do
 --         local id = getid(head)
 --         if id == hlist_code or id == vlist_code or id == rule_code then -- <= rule_code
---             used = used + getfield(head,"height") + getfield(head,"depth")
+--             local wd, ht, dp = getwhd(head)
+--             used = used + ht + dp
 --             line = true
 --         elseif id == glue_code then
 --             if line then
@@ -860,7 +859,8 @@ end
 --         local id = getid(head)
 --         local hd = 0
 --         if id == hlist_code or id == vlist_code or id == rule_code then -- <= rule_code
---             hd = getfield(head,"height") + getfield(head,"depth")
+--             local wd, ht, dp = getwhd(head)
+--             hd = ht + dp
 --         elseif id == glue_code then
 --             hd = getwidth(head)
 --         elseif id == kern_code then
diff --git a/tex/context/base/mkiv/page-lin.lua b/tex/context/base/mkiv/page-lin.lua
index 8ec4ba5df..a6b6a12c4 100644
--- a/tex/context/base/mkiv/page-lin.lua
+++ b/tex/context/base/mkiv/page-lin.lua
@@ -71,7 +71,6 @@ local getattr            = nuts.getattr
 local setattr            = nuts.setattr
 local getlist            = nuts.getlist
 local getbox             = nuts.getbox
-local getfield           = nuts.getfield
 ----- getdir             = nuts.getdir
 ----- getwidth           = nuts.getwidth
 local getheight          = nuts.getheight
@@ -80,8 +79,6 @@ local getdepth           = nuts.getdepth
 local setprop            = nuts.setprop
 local getprop            = nuts.getprop
 
-local setfield           = nuts.setfield
-
 local traverse_id        = nuts.traverse_id
 local traverse           = nuts.traverse
 local copy_node          = nuts.copy
diff --git a/tex/context/base/mkiv/page-mix.lua b/tex/context/base/mkiv/page-mix.lua
index 524181c8e..88e804abb 100644
--- a/tex/context/base/mkiv/page-mix.lua
+++ b/tex/context/base/mkiv/page-mix.lua
@@ -8,8 +8,6 @@ if not modules then modules = { } end modules ["page-mix"] = {
 
 -- inserts.getname(name)
 
--- getfield(l,"head") -> getlist
-
 -- local node, tex = node, tex
 -- local nodes, interfaces, utilities = nodes, interfaces, utilities
 -- local trackers, logs, storage = trackers, logs, storage
@@ -47,7 +45,6 @@ local flushnode           = nuts.flush
 local concatnodes         = nuts.concat
 local slidenodes          = nuts.slide -- ok here as we mess with prev links intermediately
 
-local setfield            = nuts.setfield
 local setlink             = nuts.setlink
 local setlist             = nuts.setlist
 local setnext             = nuts.setnext
@@ -57,7 +54,6 @@ local setwhd              = nuts.setwhd
 local setheight           = nuts.setheight
 local setdepth            = nuts.setdepth
 
-local getfield            = nuts.getfield
 local getnext             = nuts.getnext
 local getprev             = nuts.getprev
 local getid               = nuts.getid
diff --git a/tex/context/base/mkiv/scrp-cjk.lua b/tex/context/base/mkiv/scrp-cjk.lua
index d2ec201ca..b31dc335a 100644
--- a/tex/context/base/mkiv/scrp-cjk.lua
+++ b/tex/context/base/mkiv/scrp-cjk.lua
@@ -32,7 +32,6 @@ local getid              = nuts.getid
 local getattr            = nuts.getattr
 local getsubtype         = nuts.getsubtype
 local getwidth           = nuts.getwidth
-local getfield           = nuts.getfield
 
 local setchar            = nuts.setchar
 
diff --git a/tex/context/base/mkiv/spac-ali.lua b/tex/context/base/mkiv/spac-ali.lua
index bc77090cf..640478d34 100644
--- a/tex/context/base/mkiv/spac-ali.lua
+++ b/tex/context/base/mkiv/spac-ali.lua
@@ -18,7 +18,6 @@ local nodepool         = nuts.pool
 local tonode           = nuts.tonode
 local tonut            = nuts.tonut
 
-local getfield         = nuts.getfield
 local getnext          = nuts.getnext
 local getprev          = nuts.getprev
 local getid            = nuts.getid
diff --git a/tex/context/base/mkiv/spac-chr.lua b/tex/context/base/mkiv/spac-chr.lua
index b8a53d2a1..76e3e14f2 100644
--- a/tex/context/base/mkiv/spac-chr.lua
+++ b/tex/context/base/mkiv/spac-chr.lua
@@ -30,8 +30,6 @@ local nuts               = nodes.nuts
 local tonode             = nuts.tonode
 local tonut              = nuts.tonut
 
-local getfield           = nuts.getfield
-local setfield           = nuts.setfield
 local getnext            = nuts.getnext
 local getprev            = nuts.getprev
 local getattr            = nuts.getattr
diff --git a/tex/context/base/mkiv/spac-prf.lua b/tex/context/base/mkiv/spac-prf.lua
index 841e5d271..130407edf 100644
--- a/tex/context/base/mkiv/spac-prf.lua
+++ b/tex/context/base/mkiv/spac-prf.lua
@@ -58,7 +58,6 @@ local getwidth          = nuts.getwidth
 local getheight         = nuts.getheight
 local getdepth          = nuts.getdepth
 
-local setfield          = nuts.setfield
 local setlink           = nuts.setlink
 local setlist           = nuts.setlist
 local setattr           = nuts.setattr
diff --git a/tex/context/base/mkiv/spac-ver.lua b/tex/context/base/mkiv/spac-ver.lua
index d7c1a2cbb..f461e7ab9 100644
--- a/tex/context/base/mkiv/spac-ver.lua
+++ b/tex/context/base/mkiv/spac-ver.lua
@@ -30,8 +30,6 @@ if not modules then modules = { } end modules ['spac-ver'] = {
 
 -- todo: strip baselineskip around display math
 
--- todo: getglue(n,false) instead of getfield
-
 local next, type, tonumber = next, type, tonumber
 local gmatch, concat = string.gmatch, table.concat
 local ceil, floor = math.ceil, math.floor
@@ -119,7 +117,6 @@ local tonode              = nuts.tonode
 local tonut               = nuts.tonut
 
 local getfield            = nuts.getfield
-local setfield            = nuts.setfield
 local getnext             = nuts.getnext
 local setlink             = nuts.setlink
 local getprev             = nuts.getprev
diff --git a/tex/context/base/mkiv/status-files.pdf b/tex/context/base/mkiv/status-files.pdf
index 8d8045647..1af2dbc5f 100644
--- a/tex/context/base/mkiv/status-files.pdf
+++ b/tex/context/base/mkiv/status-files.pdf
diff --git a/tex/context/base/mkiv/status-lua.pdf b/tex/context/base/mkiv/status-lua.pdf
index 3caa8ff2c..54431abc7 100644
--- a/tex/context/base/mkiv/status-lua.pdf
+++ b/tex/context/base/mkiv/status-lua.pdf
diff --git a/tex/context/base/mkiv/strc-mar.lua b/tex/context/base/mkiv/strc-mar.lua
index 624972af4..80fcf126a 100644
--- a/tex/context/base/mkiv/strc-mar.lua
+++ b/tex/context/base/mkiv/strc-mar.lua
@@ -24,8 +24,6 @@ local setmetatableindex  = table.setmetatableindex
 local nuts               = nodes.nuts
 local tonut              = nuts.tonut
 
-local getfield           = nuts.getfield
-local setfield           = nuts.setfield
 local getid              = nuts.getid
 local getlist            = nuts.getlist
 local getattr            = nuts.getattr
diff --git a/tex/context/base/mkiv/supp-box.lua b/tex/context/base/mkiv/supp-box.lua
index fc206b6d2..4d9ec6e3e 100644
--- a/tex/context/base/mkiv/supp-box.lua
+++ b/tex/context/base/mkiv/supp-box.lua
@@ -30,7 +30,7 @@ local nuts            = nodes.nuts
 local tonut           = nuts.tonut
 local tonode          = nuts.tonode
 
-local getfield        = nuts.getfield
+----- getfield        = nuts.getfield
 local getnext         = nuts.getnext
 local getprev         = nuts.getprev
 local getdisc         = nuts.getdisc
@@ -42,7 +42,7 @@ local getdir          = nuts.getdir
 local getwidth        = nuts.getwidth
 local takebox         = nuts.takebox
 
-local setfield        = nuts.setfield
+----- setfield        = nuts.setfield
 local setlink         = nuts.setlink
 local setboth         = nuts.setboth
 local setnext         = nuts.setnext
diff --git a/tex/context/base/mkiv/tabl-xtb.lua b/tex/context/base/mkiv/tabl-xtb.lua
index dade345fc..1f4ba4a14 100644
--- a/tex/context/base/mkiv/tabl-xtb.lua
+++ b/tex/context/base/mkiv/tabl-xtb.lua
@@ -65,11 +65,11 @@ local tonode              = nuts.tonode
 local getnext             = nuts.getnext
 local getprev             = nuts.getprev
 local getlist             = nuts.getlist
+local getwidth            = nuts.getwidth
 local getfield            = nuts.getfield
 local getbox              = nuts.getbox
 local getwhd              = nuts.getwhd
 
-local setfield            = nuts.setfield
 local setlink             = nuts.setlink
 local setdir              = nuts.setdir
 local setshift            = nuts.setshift
@@ -909,7 +909,7 @@ function xtables.construct()
         texsetdimen("global","d_tabl_x_final_width",0)
     else
         texsetcount("global","c_tabl_x_state",1)
-        texsetdimen("global","d_tabl_x_final_width",getfield(body[1][1],"width"))
+        texsetdimen("global","d_tabl_x_final_width",getfield(body[1][1],"width")) -- why not: getfield(body[1][1])
     end
 end
 
diff --git a/tex/context/base/mkiv/trac-jus.lua b/tex/context/base/mkiv/trac-jus.lua
index 6d00bf19e..e7a030257 100644
--- a/tex/context/base/mkiv/trac-jus.lua
+++ b/tex/context/base/mkiv/trac-jus.lua
@@ -18,7 +18,6 @@ local nuts            = nodes.nuts
 local tonut           = nuts.tonut
 
 local getfield        = nuts.getfield
-local setfield        = nuts.setfield
 local getlist         = nuts.getlist
 local getattr         = nuts.getattr
 local setattr         = nuts.setattr
diff --git a/tex/context/base/mkiv/trac-vis.lua b/tex/context/base/mkiv/trac-vis.lua
index 0dccc8d89..42098f3f8 100644
--- a/tex/context/base/mkiv/trac-vis.lua
+++ b/tex/context/base/mkiv/trac-vis.lua
@@ -36,7 +36,7 @@ local nuts                = nodes.nuts
 local tonut               = nuts.tonut
 local tonode              = nuts.tonode
 
-local setfield            = nuts.setfield
+----- setfield            = nuts.setfield
 local setboth             = nuts.setboth
 local setlink             = nuts.setlink
 local setdisc             = nuts.setdisc
diff --git a/tex/context/base/mkiv/typo-brk.lua b/tex/context/base/mkiv/typo-brk.lua
index 84eff0654..40d1faa4c 100644
--- a/tex/context/base/mkiv/typo-brk.lua
+++ b/tex/context/base/mkiv/typo-brk.lua
@@ -31,14 +31,12 @@ local getboth            = nuts.getboth
 local getsubtype         = nuts.getsubtype
 local getfont            = nuts.getfont
 local getid              = nuts.getid
-local getfield           = nuts.getfield
 ----- getattr            = nuts.getattr
 local getattrlist        = nuts.getattrlist
 local takeattr           = nuts.takeattr
 local getlang            = nuts.getlang
 local isglyph            = nuts.isglyph
 
-local setfield           = nuts.setfield
 local setattr            = nuts.setattr
 local setattrlist        = nuts.setattrlist
 local setlink            = nuts.setlink
diff --git a/tex/context/base/mkiv/typo-cap.lua b/tex/context/base/mkiv/typo-cap.lua
index e10b9df9c..65357e233 100644
--- a/tex/context/base/mkiv/typo-cap.lua
+++ b/tex/context/base/mkiv/typo-cap.lua
@@ -21,7 +21,6 @@ local nuts            = nodes.nuts
 local tonode          = nuts.tonode
 local tonut           = nuts.tonut
 
-local getfield        = nuts.getfield
 local getnext         = nuts.getnext
 local getprev         = nuts.getprev
 local getid           = nuts.getid
@@ -32,7 +31,6 @@ local getsubtype      = nuts.getsubtype
 local getchar         = nuts.getchar
 local getdisc         = nuts.getdisc
 
-local setfield        = nuts.setfield
 local setattr         = nuts.setattr
 local setchar         = nuts.setchar
 local setfont         = nuts.setfont
diff --git a/tex/context/base/mkiv/typo-cln.lua b/tex/context/base/mkiv/typo-cln.lua
index 53452f838..ecfdd8ff3 100644
--- a/tex/context/base/mkiv/typo-cln.lua
+++ b/tex/context/base/mkiv/typo-cln.lua
@@ -36,7 +36,6 @@ local getchar         = nuts.getchar
 local getattr         = nuts.getattr
 local setattr         = nuts.setattr
 
-local setfield        = nuts.setfield
 local setchar         = nuts.setchar
 
 local traverse_id     = nuts.traverse_id
diff --git a/tex/context/base/mkiv/typo-dha.lua b/tex/context/base/mkiv/typo-dha.lua
index a32f72e46..c75fdbc3f 100644
--- a/tex/context/base/mkiv/typo-dha.lua
+++ b/tex/context/base/mkiv/typo-dha.lua
@@ -55,13 +55,11 @@ local getchar            = nuts.getchar
 local getid              = nuts.getid
 local getsubtype         = nuts.getsubtype
 local getlist            = nuts.getlist
-local getfield           = nuts.getfield
 local getattr            = nuts.getattr
 local getprop            = nuts.getprop
 local getdir            = nuts.getdir
 local isglyph            = nuts.isglyph -- or ischar
 
-local setfield           = nuts.setfield
 local setprop            = nuts.setprop
 local setchar            = nuts.setchar
 
diff --git a/tex/context/base/mkiv/typo-dig.lua b/tex/context/base/mkiv/typo-dig.lua
index 3d60131c7..cc9a91cd5 100644
--- a/tex/context/base/mkiv/typo-dig.lua
+++ b/tex/context/base/mkiv/typo-dig.lua
@@ -29,7 +29,6 @@ local getfont            = nuts.getfont
 local getchar            = nuts.getchar
 local getid              = nuts.getid
 local getwidth           = nuts.getwidth
-local getfield           = nuts.getfield
 local takeattr           = nuts.takeattr
 
 local setlink            = nuts.setlink
diff --git a/tex/context/base/mkiv/typo-drp.lua b/tex/context/base/mkiv/typo-drp.lua
index e27ad75f3..1e142280f 100644
--- a/tex/context/base/mkiv/typo-drp.lua
+++ b/tex/context/base/mkiv/typo-drp.lua
@@ -36,11 +36,9 @@ local getprev           = nuts.getprev
 local getchar           = nuts.getchar
 local getid             = nuts.getid
 local getsubtype        = nuts.getsubtype
-local getfield          = nuts.getfield
 local getattr           = nuts.getattr
 local getwhd            = nuts.getwhd
 
-local setfield          = nuts.setfield
 local setattr           = nuts.setattr
 local setlink           = nuts.setlink
 local setprev           = nuts.setprev
diff --git a/tex/context/base/mkiv/typo-dua.lua b/tex/context/base/mkiv/typo-dua.lua
index c2f3c2763..3a23f97f1 100644
--- a/tex/context/base/mkiv/typo-dua.lua
+++ b/tex/context/base/mkiv/typo-dua.lua
@@ -75,11 +75,9 @@ local getid               = nuts.getid
 local getsubtype          = nuts.getsubtype
 local getlist             = nuts.getlist
 local getchar             = nuts.getchar
-local getfield            = nuts.getfield
 local getprop             = nuts.getprop
 local getdir              = nuts.getdir
 
-local setfield            = nuts.setfield
 local setprop             = nuts.setprop
 local setchar             = nuts.setchar
 local setdir              = nuts.setdir
diff --git a/tex/context/base/mkiv/typo-dub.lua b/tex/context/base/mkiv/typo-dub.lua
index eea743c6d..a914b63ba 100644
--- a/tex/context/base/mkiv/typo-dub.lua
+++ b/tex/context/base/mkiv/typo-dub.lua
@@ -64,11 +64,9 @@ local getsubtype          = nuts.getsubtype
 local getlist             = nuts.getlist
 local getchar             = nuts.getchar
 local getattr             = nuts.getattr
-local getfield            = nuts.getfield
 local getprop             = nuts.getprop
 local getdir              = nuts.getdir
 
-local setfield            = nuts.setfield
 local setprop             = nuts.setprop
 local setchar             = nuts.setchar
 local setdir              = nuts.setdir
diff --git a/tex/context/base/mkiv/typo-duc.lua b/tex/context/base/mkiv/typo-duc.lua
index 7fd49e54e..c1b4d66cb 100644
--- a/tex/context/base/mkiv/typo-duc.lua
+++ b/tex/context/base/mkiv/typo-duc.lua
@@ -65,11 +65,9 @@ local getsubtype          = nuts.getsubtype
 local getchar             = nuts.getchar
 local getlist             = nuts.getlist
 local getattr             = nuts.getattr
-local getfield            = nuts.getfield
 local getprop             = nuts.getprop
 local getdir              = nuts.getdir
 
-local setfield            = nuts.setfield
 local setprop             = nuts.setprop
 local setchar             = nuts.setchar
 local setdir              = nuts.setdir
diff --git a/tex/context/base/mkiv/typo-fln.lua b/tex/context/base/mkiv/typo-fln.lua
index cef77cea1..0cebd4b37 100644
--- a/tex/context/base/mkiv/typo-fln.lua
+++ b/tex/context/base/mkiv/typo-fln.lua
@@ -39,7 +39,6 @@ local getboth            = nuts.getboth
 local setboth            = nuts.setboth
 local getid              = nuts.getid
 local getfield           = nuts.getfield
-local setfield           = nuts.setfield
 local getlist            = nuts.getlist
 local setlist            = nuts.setlist
 local getattr            = nuts.getattr
diff --git a/tex/context/base/mkiv/typo-itc.lua b/tex/context/base/mkiv/typo-itc.lua
index 781d44d30..6afec9816 100644
--- a/tex/context/base/mkiv/typo-itc.lua
+++ b/tex/context/base/mkiv/typo-itc.lua
@@ -31,7 +31,6 @@ local nodepool            = nuts.pool
 local tonode              = nuts.tonode
 local tonut               = nuts.tonut
 
-local getfield            = nuts.getfield
 local getprev             = nuts.getprev
 local getnext             = nuts.getnext
 local getid               = nuts.getid
@@ -42,7 +41,6 @@ local getattr             = nuts.getattr
 local setattr             = nuts.setattr
 local getattrlist         = nuts.getattrlist
 local setattrlist         = nuts.setattrlist
-local setfield            = nuts.setfield
 local setdisc             = nuts.setdisc
 local isglyph             = nuts.isglyph
 local setkern             = nuts.setkern
diff --git a/tex/context/base/mkiv/typo-krn.lua b/tex/context/base/mkiv/typo-krn.lua
index 8806a99b5..95b84993b 100644
--- a/tex/context/base/mkiv/typo-krn.lua
+++ b/tex/context/base/mkiv/typo-krn.lua
@@ -33,7 +33,6 @@ local insert_node_after  = nuts.insert_after
 local end_of_math        = nuts.end_of_math
 local use_components     = nuts.use_components
 
-local getfield           = nuts.getfield
 local getnext            = nuts.getnext
 local getprev            = nuts.getprev
 local getid              = nuts.getid
diff --git a/tex/context/base/mkiv/typo-lin.lua b/tex/context/base/mkiv/typo-lin.lua
index d702bcb8c..ebf748a82 100644
--- a/tex/context/base/mkiv/typo-lin.lua
+++ b/tex/context/base/mkiv/typo-lin.lua
@@ -87,8 +87,6 @@ local getid             = nuts.getid
 local getnext           = nuts.getnext
 local getprev           = nuts.getprev
 local getboth           = nuts.getboth
-local getfield          = nuts.getfield
-local setfield          = nuts.setfield
 local setlink           = nuts.setlink
 local setkern           = nuts.setkern
 local getkern           = nuts.getkern
diff --git a/tex/context/base/mkiv/typo-mar.lua b/tex/context/base/mkiv/typo-mar.lua
index a5d607cd7..6014260d9 100644
--- a/tex/context/base/mkiv/typo-mar.lua
+++ b/tex/context/base/mkiv/typo-mar.lua
@@ -66,7 +66,6 @@ local traverse_id        = nuts.traverse_id
 local flush_node_list    = nuts.flush_list
 
 local getfield           = nuts.getfield
-local setfield           = nuts.setfield
 local getnext            = nuts.getnext
 local getprev            = nuts.getprev
 local getid              = nuts.getid
@@ -165,7 +164,7 @@ setmetatable(displaystore,mt2)
 local defaults = {
     __index  = {
         location  = v_left,
-        align     = v_normal,
+        align     = v_normal, -- not used
         method    = "",
         name      = "",
         threshold = 0, -- .25ex
diff --git a/tex/context/base/mkiv/typo-pag.lua b/tex/context/base/mkiv/typo-pag.lua
index d6f71c8cc..b5759a097 100644
--- a/tex/context/base/mkiv/typo-pag.lua
+++ b/tex/context/base/mkiv/typo-pag.lua
@@ -28,8 +28,6 @@ local a_keeptogether      = attributes.private("keeptogether")
 local nuts                = nodes.nuts
 local tonut               = nuts.tonut
 
-local getfield            = nuts.getfield
-local setfield            = nuts.setfield
 local getnext             = nuts.getnext
 local getprev             = nuts.getprev
 local getid               = nuts.getid
diff --git a/tex/context/base/mkiv/typo-rub.lua b/tex/context/base/mkiv/typo-rub.lua
index 9621a6218..abe34731b 100644
--- a/tex/context/base/mkiv/typo-rub.lua
+++ b/tex/context/base/mkiv/typo-rub.lua
@@ -39,8 +39,6 @@ local getid           = nuts.getid
 local getsubtype      = nuts.getsubtype
 local getattr         = nuts.getattr
 local setattr         = nuts.setattr
-local getfield        = nuts.getfield
-local setfield        = nuts.setfield
 local getnext         = nuts.getnext
 local setnext         = nuts.setnext
 local getprev         = nuts.getprev
diff --git a/tex/context/base/mkiv/typo-sus.lua b/tex/context/base/mkiv/typo-sus.lua
index f728993f6..502c90417 100644
--- a/tex/context/base/mkiv/typo-sus.lua
+++ b/tex/context/base/mkiv/typo-sus.lua
@@ -44,7 +44,6 @@ local tonode          = nodes.tonode
 local getid           = nuts.getid
 local getprev         = nuts.getprev
 local getnext         = nuts.getnext
-local getfield        = nuts.getfield
 local getattr         = nuts.getattr
 local getfont         = nuts.getfont
 local getlist         = nuts.getlist
diff --git a/tex/context/interface/mkiv/i-context.pdf b/tex/context/interface/mkiv/i-context.pdf
index d1f8f2779..66ccb3842 100644
--- a/tex/context/interface/mkiv/i-context.pdf
+++ b/tex/context/interface/mkiv/i-context.pdf
diff --git a/tex/context/interface/mkiv/i-readme.pdf b/tex/context/interface/mkiv/i-readme.pdf
index 96fcd18d2..7f6e7a87c 100644
--- a/tex/context/interface/mkiv/i-readme.pdf
+++ b/tex/context/interface/mkiv/i-readme.pdf
diff --git a/tex/context/sample/common/klein.tex b/tex/context/sample/common/klein.tex
new file mode 100644
index 000000000..7b145abd4
--- /dev/null
+++ b/tex/context/sample/common/klein.tex
@@ -0,0 +1,6 @@
+We don't go into a state of shock when something big and bad happens; it has to
+be something big and bad {\em that we do not yet understand}. A state of shock is
+what results when a gap opens up between events and our initial ability to
+explain them. When we find ourselves in that position, without a story, without
+our moorings, a great many people become vulnerable to authority figures telling
+us to fear one another and relinguish our rights for the greater good.
diff --git a/tex/context/sample/common/samples.tex b/tex/context/sample/common/samples.tex
index 72bec863c..a02e64e24 100644
--- a/tex/context/sample/common/samples.tex
+++ b/tex/context/sample/common/samples.tex
@@ -53,6 +53,8 @@ used in testing bibliographic references and citations.
 \NC mcnish.tex         \NC Hollie McNish         \NC Poetry versus Orchestra, Hollie McNish and Metropole
                                                      Orkest, conducted by Jules Buckley,
                                                      MO Black, fall 2016. \NC \NR
+\NC klein.tex          \NC Naomi Klein           \NC No is not enough, defeating the new shock politics,
+                                                     Allen Lane, 2017. \NC \NR
 \stoptabulate
 
 % Tufte: This quote will always produce hyphenated text, apart from the content,
diff --git a/tex/generic/context/luatex/luatex-basics-nod.lua b/tex/generic/context/luatex/luatex-basics-nod.lua
index e2d91af41..40fb9ee4e 100644
--- a/tex/generic/context/luatex/luatex-basics-nod.lua
+++ b/tex/generic/context/luatex/luatex-basics-nod.lua
@@ -201,6 +201,7 @@ nuts.setchar             = direct.setchar
 nuts.getdisc             = direct.getdisc
 nuts.setdisc             = direct.setdisc
 nuts.setlink             = direct.setlink
+nuts.setsplit            = direct.setsplit
 nuts.getlist             = direct.getlist
 nuts.setlist             = direct.setlist
 
diff --git a/tex/generic/context/luatex/luatex-fonts-merged.lua b/tex/generic/context/luatex/luatex-fonts-merged.lua
index e43baa5c0..803b31082 100644
--- a/tex/generic/context/luatex/luatex-fonts-merged.lua
+++ b/tex/generic/context/luatex/luatex-fonts-merged.lua
@@ -1,6 +1,6 @@
 -- merged file : c:/data/develop/context/sources/luatex-fonts-merged.lua
 -- parent file : c:/data/develop/context/sources/luatex-fonts.lua
--- merge date  : 07/29/17 23:08:35
+-- merge date  : 07/30/17 19:30:11
 
 do -- begin closure to overcome local limits and interference
 
@@ -5118,6 +5118,7 @@ nuts.setchar=direct.setchar
 nuts.getdisc=direct.getdisc
 nuts.setdisc=direct.setdisc
 nuts.setlink=direct.setlink
+nuts.setsplit=direct.setsplit
 nuts.getlist=direct.getlist
 nuts.setlist=direct.setlist
 nuts.getoffsets=direct.getoffsets or
@@ -20732,7 +20733,6 @@ local nuts=nodes.nuts
 local nodepool=nuts.pool
 local tonode=nuts.tonode
 local tonut=nuts.tonut
-local getfield=nuts.getfield
 local setfield=nuts.setfield
 local getnext=nuts.getnext
 local getprev=nuts.getprev
@@ -22557,7 +22557,6 @@ local nuts=nodes.nuts
 local tonode=nuts.tonode
 local tonut=nuts.tonut
 local getfield=nuts.getfield
-local setfield=nuts.setfield
 local getnext=nuts.getnext
 local setnext=nuts.setnext
 local getprev=nuts.getprev
@@ -24048,6 +24047,7 @@ local function chainrun(head,start,last,dataset,sequence,rlmode,ck,skipped)
               if ok then
                 done=true
                 if n and n>1 and i+n>nofchainlookups then
+i=size 
                   break
                 end
               end
@@ -24396,7 +24396,7 @@ local function chaintrac(head,start,dataset,sequence,rlmode,ck,skipped,match)
   logwarning("%s: rule %s %s at char %s for (%s,%s,%s) chars, lookuptype %a",
     cref(dataset,sequence),rule,match and "matches" or "nomatch",gref(char),first-1,last-first+1,nofseq-last,lookuptype)
 end
-local function handle_contextchain(head,start,dataset,sequence,contexts,rlmode)
+local function traditional_handle_contextchain(head,start,dataset,sequence,contexts,rlmode)
   local sweepnode=sweepnode
   local sweeptype=sweeptype
   local currentfont=currentfont
@@ -25327,18 +25327,19 @@ local function optimized_handle_contextchain(head,start,dataset,sequence,context
   end
   return head,start,done
 end
+local handle_contextchain=traditional_handle_contextchain
 directives.register("otf.optimizechains",function(v)
   if v then
     report_chain()
     report_chain("using experimental optimized code")
     report_chain()
   end
-  local handle=v and optimized_handle_contextchain or handle_contextchain
-  handlers.gsub_context=handle
-  handlers.gsub_contextchain=handle
-  handlers.gsub_reversecontextchain=handle
-  handlers.gpos_contextchain=handle
-  handlers.gpos_context=handle
+  handle_contextchain=v and optimized_handle_contextchain or traditional_handle_contextchain
+  handlers.gsub_context=handle_contextchain
+  handlers.gsub_contextchain=handle_contextchain
+  handlers.gsub_reversecontextchain=handle_contextchain
+  handlers.gpos_contextchain=handle_contextchain
+  handlers.gpos_context=handle_contextchain
 end)
 handlers.gsub_context=handle_contextchain
 handlers.gsub_contextchain=handle_contextchain