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-rw-r--r--tex/context/base/node-aux.lua6
1 files changed, 3 insertions, 3 deletions
diff --git a/tex/context/base/node-aux.lua b/tex/context/base/node-aux.lua
index 43624adfd..139f25046 100644
--- a/tex/context/base/node-aux.lua
+++ b/tex/context/base/node-aux.lua
@@ -342,7 +342,7 @@ end
nodes.locate = locate
-function nodes.concat(list) -- no slide !
+function nodes.concat(list)
local head, tail
for i=1,#list do
local li = list[i]
@@ -351,10 +351,10 @@ function nodes.concat(list) -- no slide !
elseif head then
tail.next = li
li.prev = tail
- tail = li
+ tail = li.next and slide_nodes(li) or li
else
head = li
- tail = li
+ tail = li.next and slide_nodes(li) or li
end
end
return head, tail