1 files changed, 0 insertions, 134 deletions
diff --git a/tex/context/base/mkiv/node-mig.lmt b/tex/context/base/mkiv/node-mig.lmt
deleted file mode 100644
index c19913509..000000000
--- a/tex/context/base/mkiv/node-mig.lmt
+++ /dev/null
@@ -1,134 +0,0 @@
-if not modules then modules = { } end modules ['node-mig'] = {
-    version   = 1.001,
-    comment   = "companion to node-mig.mkiv",
-    author    = "Hans Hagen, PRAGMA-ADE, Hasselt NL",
-    copyright = "PRAGMA ADE / ConTeXt Development Team",
-    license   = "see context related readme files"
-}
-
--- todo: insert_after
-
-local format = string.format
-
-local trace_migrations = false trackers.register("nodes.migrations", function(v) trace_migrations = v end)
-
-local report_nodes     = logs.reporter("nodes","migrations")
-
-local attributes       = attributes
-local nodes            = nodes
-
-local nuts             = nodes.nuts
-local tonut            = nuts.tonut
-
-local getnext          = nuts.getnext
-local getid            = nuts.getid
-local getlist          = nuts.getlist
-local getpost          = nuts.getpost
-local getprop          = nuts.getprop
-
-local setprop          = nuts.setprop
-local setlink          = nuts.setlink
-local setlist          = nuts.setlist
-local setpost          = nuts.setpost
-
-local count            = nuts.count
-local migrate          = nuts.migrate
-
-local nodecodes        = nodes.nodecodes
-local hlist_code       = nodecodes.hlist
-local vlist_code       = nodecodes.vlist
-local insert_code      = nodecodes.ins
-local mark_code        = nodecodes.mark
-
-local a_migrated       = attributes.private("migrated")
-
-local migrate_inserts  = false
-local migrate_marks    = false
-local t_inserts        = 0
-local t_marks          = 0
-local t_sweeps         = 0
-
-local trialtypesetting = context.trialtypesetting
-
-function nodes.handlers.migrate(head,where)
-    if head and not trialtypesetting() and where == "alignment" then
-        if trace_migrations then
-            report_nodes("migration sweep %a",where)
-        end
-        local current = head
-        while current do
-            local id = getid(current)
-            if (id == vlist_code or id == hlist_code or id == insert_code) and not getprop(current,"migrated") then
-                setprop(current,"migrated",true)
-                local list = getlist(current)
-                if list then
-                    t_sweeps = t_sweeps + 1
-                    local h, first, last = migrate(list,migrate_inserts,migrate_marks)
-                    if first then
-                        if trace_migrations then
-                            local ni = count(insert_code,first)
-                            local nm = count(mark_code,first)
-                            t_inserts = t_inserts + ni
-                            t_marks   = t_marks   + nm
-                            report_nodes("sweep %a, container %a, %s inserts and %s marks migrated outwards during %a",
-                                t_sweeps,nodecodes[id],ni,nm,where)
-
-                        end
-                        local p, t = getpost(current)
-                        if p then
-                            setlink(t,first)
-                        else
-                            setpost(current,first)
-                        end
-                    end
-                end
-            end
-            current = getnext(current)
-        end
-    end
-    return head
-end
-
-statistics.register("node migrations", function()
-    if trace_migrations and t_sweeps > 0 then
-        return format("%s sweeps, %s inserts moved, %s marks moved",t_sweeps,t_inserts,t_marks)
-    end
-end)
-
--- Since we started with mkiv we had it as experiment but it is about time
--- to have a more formal interface .. it's still optional due to possible
--- side effects.
-
-local enableaction  = nodes.tasks.enableaction
-local disableaction = nodes.tasks.disableaction
-local texsetcount   = tex.setcount
-
-local migrations = { }
-nodes.migrations = migrations
-local enabled    = false
-
-local function check()
-    if migrate_marks or migrate_inserts then
-        if not enabled then
-            enableaction("mvlbuilders", "nodes.handlers.migrate")
-            enabled = true
-            texsetcount("automigrationmode",3)
-        end
-    else
-        if enabled then
-            disableaction("mvlbuilders", "nodes.handlers.migrate")
-            enabled = false
-            texsetcount("automigrationmode",0)
-        end
-    end
-end
-
-function migrations.setmarks(v)
-    migrate_marks = v
-    check()
-end
-
-function migrations.setinserts(v)
-    migrate_inserts = v
-    check()
-end