[luatex] node missing
andreas.matthias at gmail.com
Sun Jan 22 19:29:53 CET 2012
Paul Isambert wrote:
> Andreas Matthias <andreas.matthias at gmail.com> a écrit:
>> In the following example I expected \mybox to contain `abc'
>> eventually. Instead it only contains `bc'. Why is the `a'
> You must assign n1 to box.head, as in
> n1.next = box.head
> box.head = n1
> tail = node.slide(n1)
> otherwise the box still points to its former head as its first node
> (which has indeed n1 as its prev node, but it is ignored because scanning
> begins at the former head).
Hmm. I see it's working now but I still don't understand why.
Function foo creates and returns an hlist `h' and I thought this
hlist would be assigned to mybox with
Hlist `h' does not contain the original box but the interior of
the box, does it? Then why do I have to set box.head?
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