[Dev-luatex] "error" in LuaTeX and Lua

Hans Hagen pragma at wxs.nl
Wed Jun 4 10:13:31 CEST 2008

Jonathan Sauer wrote:

> (2)	IMO, \latelua should be modeled after \write, which (of 
> 	course) also works in DVI mode but which also delays expansion
> 	of its argument to shipout. \latelua expands its argument 
> 	completely when issued, as demonstrated above by displaying
> 	"foo" in the error message instead of "bar".
> 	(the chunk name should still be expanded when the command is 
> 	issued, in order to get the then-current input line number)
> What do you think?

fyi: \latelua started as an experiment to manipulate (influence) the pdf 
stream and as such is a rather experimental command; for the moment you 
should not depend on it too much because its behaviour may change; the 
same is true for what actions are permitted when using it (e.g. 
pdf.print does not always make sense)

concerning writes and similar whatsits ... at some point these may also 
be overhauled (for instance more control is needed ... think of copying 
boxes with writes and only one such write (say a toc entry) makes sense)


                                           Hans Hagen | PRAGMA ADE
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