2018-12-01 13:28:00

1 files changed, 25 insertions, 20 deletions

diff --git a/tex/context/base/mkiv/lpdf-xmp.lua b/tex/context/base/mkiv/lpdf-xmp.lua
index 43437962a..b9595062f 100644
--- a/tex/context/base/mkiv/lpdf-xmp.lua
+++ b/tex/context/base/mkiv/lpdf-xmp.lua
@@ -47,6 +47,7 @@ local mapping = {
     ["ConTeXt.Url"]          = { "context", "rdf:Description/pdfx:ConTeXt.Url" },
     ["ConTeXt.Support"]      = { "context", "rdf:Description/pdfx:ConTeXt.Support" },
     ["ConTeXt.Version"]      = { "context", "rdf:Description/pdfx:ConTeXt.Version" },
+    ["ConTeXt.LMTX"]         = { "context", "rdf:Description/pdfx:ConTeXt.LMTX" },
     ["TeX.Support"]          = { "metadata","rdf:Description/pdfx:TeX.Support" },
     ["LuaTeX.Version"]       = { "metadata","rdf:Description/pdfx:LuaTeX.Version" },
     ["LuaTeX.Functionality"] = { "metadata","rdf:Description/pdfx:LuaTeX.Functionality" },
@@ -111,50 +112,54 @@ function lpdf.id() -- overload of ini
     return lpdfid(included.date)
 end
 
-local pdfsettrailerid = lpdf.settrailerid -- this is the wrapped one
+local settrailerid = lpdf.settrailerid -- this is the wrapped one
 
-function lpdf.settrailerid(v)
-    if v then
-        local b = toboolean(v) or v == ""
+local trailerid = nil
+local dates     = nil
+
+local function update()
+    if trailer_id then
+        local b = toboolean(trailer_id) or trailer_id == ""
         if b then
-            v = "This file is processed by ConTeXt and LuaTeX."
+            trailer_id = "This file is processed by ConTeXt and LuaTeX."
         else
-            v = tostring(v)
+            trailer_id = tostring(trailer_id)
         end
-        local h = md5HEX(v)
+        local h = md5HEX(trailer_id)
         if b then
             report_info("using frozen trailer id")
         else
-            report_info("using hashed trailer id %a (%a)",v,h)
+            report_info("using hashed trailer id %a (%a)",trailer_id,h)
         end
-        pdfsettrailerid(format("[<%s> <%s>]",h,h))
+        settrailerid(format("[<%s> <%s>]",h,h))
     end
-end
-
-function lpdf.setdates(v)
-    local t = type(v)
+    --
+    local t = type(dates)
     if t == "number" or t == "string" then
-        t = converters.totime(v)
+        t = converters.totime(dates)
         if t then
             included.date = true
             included.id   = "fake"
             report_info("forced date/time information %a will be used",lpdf.settime(t))
-            lpdf.settrailerid(false)
+            settrailerid(false)
             return
         end
     end
-    v = toboolean(v)
-    included.date = v
-    if v then
+    dates = toboolean(dates)
+    included.date = dates
+    if dates then
         included.id = true
     else
         report_info("no date/time but fake id information will be added")
-        lpdf.settrailerid(true)
+        settrailerid(true)
         included.id = "fake"
-     -- maybe: lpdf.settime(231631200) -- 1975-05-05 % first entry of knuth about tex mentioned in DT
     end
 end
 
+function lpdf.settrailerid(v) trailerid = v end
+function lpdf.setdates    (v) dates     = v end
+
+lpdf.registerdocumentfinalizer(update,"trailer id and dates",1)
 
 directives.register("backend.trailerid", lpdf.settrailerid)
 directives.register("backend.date",      lpdf.setdates)