Hi all, I thought this would be a quite easy task with luaTeX, but I didn't manage to do it: I want to insert something (say, a rule) after a paragraph has been broken. So my first attempt was to register a function to post_linebreak_filter, but if I try to tex.print() something in that function it just doesn't do anything. (writing to console works, so I'm sure it is registered and is called) So the question is: Is it possible to insert anything printable right after a paragraph has been broken? If so, how? That material should have no width and height; it should not affect the text at all. (In the end, I want to draw a fine rule under each line in that paragraph.)
Thankful for every hint, Arno
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