Hans,
Sure. Compare the behaviour of \leftskip and \parshape. IMO, they should be the same.
Well, after thinking a little more about this I'm not so sure.
But same problem with \hangindent. This is easier to catch (just change the sign), but it would be nice if its behaviour is mirrored like \parindent, \leftskip, etc. I think LuaTeX must overcome the limitations of the XeT-TeX bidi model.
changing such things now will break existing code
I know, but not changing it breaks also existing code for bidi texts, except if we modify lots of things, which is an overkill (and very likely the code will end up with many hacks). And after all, 0.95 also broke existing code. I think not adding now a proper bidi model is a missed opportunity and in the years to come very likely we'll speak of a "long standing bug" in the bidi behavior of \hangindent. It's MHO. Javier
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