On Thu, Apr 08 2010, Wolfgang Werners-Lucchini wrote:
> [...]
>
> but MyPreLB() is not called.
> What I am doing wrong here?
Hello Wolfgang,
I don't know, but I've played a bit with your example file:
\starttext
\startluacode
local OldPreLB
function MyPreLB(head,gc)
tex.print("Here I am!")
return OldPreLB(head,gc)
end
local id, error = callback.register('pre_linebreak_filter', MyPreLB)
if id == nil then
tex.print("Error string:", type(error), "\\par")
end
\stopluacode
Problem: callback.register returns nil, but no error message.
\stoptext
Cheers, Peter
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