9 files changed, 34 insertions, 8 deletions
diff --git a/tex/context/base/mkiv/cont-new.mkiv b/tex/context/base/mkiv/cont-new.mkiv
index 383351dd3..bdb0d03a6 100644
--- a/tex/context/base/mkiv/cont-new.mkiv
+++ b/tex/context/base/mkiv/cont-new.mkiv
@@ -13,7 +13,7 @@
 
 % \normalend % uncomment this to get the real base runtime
 
-\newcontextversion{2021.12.25 00:55}
+\newcontextversion{2021.12.30 19:00}
 
 %D This file is loaded at runtime, thereby providing an excellent place for hacks,
 %D patches, extensions and new features. There can be local overloads in cont-loc
diff --git a/tex/context/base/mkiv/context.mkiv b/tex/context/base/mkiv/context.mkiv
index 3d9e02e03..61f239979 100644
--- a/tex/context/base/mkiv/context.mkiv
+++ b/tex/context/base/mkiv/context.mkiv
@@ -49,7 +49,7 @@
 %D {YYYY.MM.DD HH:MM} format.
 
 \edef\contextformat {\jobname}
-\edef\contextversion{2021.12.25 00:55}
+\edef\contextversion{2021.12.30 19:00}
 
 %D Kind of special:
 
diff --git a/tex/context/base/mkiv/mult-def.lua b/tex/context/base/mkiv/mult-def.lua
index 7389fa9d9..9992de8f6 100644
--- a/tex/context/base/mkiv/mult-def.lua
+++ b/tex/context/base/mkiv/mult-def.lua
@@ -12796,6 +12796,12 @@ return {
    ["pe"]="گام‌وای",
    ["ro"]="ystep",
   },
+  ["source"]={
+    ["en"]="source",
+  },
+  ["target"]={
+    ["en"]="target",
+  },
  },
  ["elements"]={
   ["answerlines"]={
@@ -16460,6 +16466,10 @@ return {
    ["pe"]="نگهدار",
    ["ro"]="mentine",
   },
+  ["keeptogether"]={
+   ["en"]="keeptogether",
+   ["fr"]="conserverensemble",
+  },
   ["kerncharacters"]={
    ["en"]="kerncharacters",
    ["fr"]="approchercaracteres",
diff --git a/tex/context/base/mkiv/mult-low.lua b/tex/context/base/mkiv/mult-low.lua
index 9c4c35037..979fef710 100644
--- a/tex/context/base/mkiv/mult-low.lua
+++ b/tex/context/base/mkiv/mult-low.lua
@@ -116,6 +116,14 @@ return {
         "vadjustparcontextcode", "insertparcontextcode", "outputparcontextcode", "alignparcontextcode",
         "noalignparcontextcode", "spanparcontextcode", "resetparcontextcode",
         --
+        "leftoriginlistanchorcode", "leftheightlistanchorcode", "leftdepthlistanchorcode",
+        "rightoriginlistanchorcode", "rightheightlistanchorcode", "rightdepthlistanchorcode",
+        "centeroriginlistanchorcode", "centerheightlistanchorcode", "centerdepthlistanchorcode",
+        "halfwaytotallistanchorcode", "halfwayheightlistanchorcode", "halfwaydepthlistanchorcode",
+        "halfwayleftlistanchorcode", "halfwayrightlistanchorcode",
+        --
+        "negatexlistsigncode", "negateylistsigncode", "negatelistsigncode",
+        --
         "fontslantperpoint", "fontinterwordspace", "fontinterwordstretch", "fontinterwordshrink",
         "fontexheight", "fontemwidth", "fontextraspace", "slantperpoint",
         "mathexheight", "mathemwidth",
diff --git a/tex/context/base/mkiv/mult-prm.lua b/tex/context/base/mkiv/mult-prm.lua
index 0249b906b..2803448d9 100644
--- a/tex/context/base/mkiv/mult-prm.lua
+++ b/tex/context/base/mkiv/mult-prm.lua
@@ -285,10 +285,15 @@ return {
   "begincsname",
   "beginlocalcontrol",
   "boundary",
+  "boxanchor",
+  "boxanchors",
   "boxattribute",
   "boxdirection",
+  "boxgeometry",
   "boxorientation",
   "boxshift",
+  "boxsource",
+  "boxtarget",
   "boxtotal",
   "boxxmove",
   "boxxoffset",
@@ -496,6 +501,7 @@ return {
   "overloaded",
   "overloadmode",
   "pageboundary",
+  "pageboundarypenalty",
   "pagevsize",
   "parametercount",
   "parametermark",
@@ -544,6 +550,7 @@ return {
   "tracinginserts",
   "tracingmarks",
   "tracingmath",
+  "tracingnodes",
   "undent",
   "unexpandedloop",
   "unletfrozen",
diff --git a/tex/context/base/mkiv/page-sid.mkiv b/tex/context/base/mkiv/page-sid.mkiv
index e6c1be985..88e4fb116 100644
--- a/tex/context/base/mkiv/page-sid.mkiv
+++ b/tex/context/base/mkiv/page-sid.mkiv
@@ -292,7 +292,7 @@
          \box\floatbox
          % somehow we need this \scratchbox magic, but at least it's the same as the
          % tracer now
-         \setbox\scratchbox\emptybox
+         \setbox\scratchbox\emptyhbox
          \wd\scratchbox\hsize
          \ht\scratchbox\d_page_sides_bottomtotal
          \box\scratchbox
diff --git a/tex/context/base/mkiv/status-files.pdf b/tex/context/base/mkiv/status-files.pdf
index 94dd23ff5..5d46013f9 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 a9934cf42..03cb36fc9 100644
--- a/tex/context/base/mkiv/status-lua.pdf
+++ b/tex/context/base/mkiv/status-lua.pdf
diff --git a/tex/context/base/mkiv/util-prs.lua b/tex/context/base/mkiv/util-prs.lua
index 438fa78bd..204611dbe 100644
--- a/tex/context/base/mkiv/util-prs.lua
+++ b/tex/context/base/mkiv/util-prs.lua
@@ -71,11 +71,12 @@ local spaces         = space^0
 local argument       = Cs((lbrace/"") * ((nobrace + nestedbraces)^0) * (rbrace/""))
 local content        = (1-endofstring)^0
 
-lpegpatterns.nestedbraces  = nestedbraces  -- no capture
-lpegpatterns.nestedparents = nestedparents -- no capture
-lpegpatterns.nested        = nestedbraces  -- no capture
-lpegpatterns.argument      = argument      -- argument after e.g. =
-lpegpatterns.content       = content       -- rest after e.g =
+lpegpatterns.nestedbraces   = nestedbraces   -- no capture
+lpegpatterns.nestedparents  = nestedparents  -- no capture
+lpegpatterns.nestedbrackets = nestedbrackets -- no capture
+lpegpatterns.nested         = nestedbraces   -- no capture
+lpegpatterns.argument       = argument       -- argument after e.g. =
+lpegpatterns.content        = content        -- rest after e.g =
 
 local value     = lbrace * C((nobrace + nestedbraces)^0) * rbrace
                 + C((nestedbraces + (1-comma))^0)