1 files changed, 30 insertions, 0 deletions
diff --git a/tex/context/base/mkiv/node-pag.lua b/tex/context/base/mkiv/node-pag.lua
new file mode 100644
index 000000000..9b8202042
--- /dev/null
+++ b/tex/context/base/mkiv/node-pag.lua
@@ -0,0 +1,30 @@
+if not modules then modules = { } end modules ['node-pag'] = {
+    version   = 1.001,
+    comment   = "companion to node-pag.mkiv",
+    author    = "Hans Hagen, PRAGMA-ADE, Hasselt NL",
+    copyright = "PRAGMA ADE / ConTeXt Development Team",
+    license   = "see context related readme files"
+}
+
+-- this callback might disappear and come back in the same way
+-- as par builders
+
+pagebuilders = pagebuilders or { }
+
+local starttiming, stoptiming = statistics.starttiming, statistics.stoptiming
+
+local actions = nodes.tasks.actions("pagebuilders")
+
+local function processor(head,groupcode,size,packtype,maxdepth,direction)
+    starttiming(pagebuilders)
+    local _, done = actions(head,groupcode,size,packtype,maxdepth,direction)
+    stoptiming(pagebuilders)
+    return (done and head) or true
+--  return vpack(head)
+end
+
+--~ callbacks.register('pre_output_filter', processor, "preparing output box")
+
+--~ statistics.register("output preparation time", function()
+--~     return statistics.elapsedseconds(pagebuilders)
+--~ end)