[Dev-luatex] tex.sprint, -- and \par: Crash

Hello, %&luatex \pdfoutput=1 \directlua0{\unexpanded{ tex.sprint('--') % A % tex.sprint('-- ') % B tex.sprint('\\par') }} \end This results in (I'm using the svn trunk as of friday afternoon): This is LuaTeX, Version snapshot-0.25.3-2008050416 (Web2C 7.5.6) (DashCrash.tex../../../../src/texk/web2c/luatexdir/font/luafont.c:1691: failed assertion `cur != null' TeX returned non zero exit status Using (B) instead of (A) works. If line (A) is commented, everything works. So it seems that there is a problem with a dash followed by a \par when output using tex.sprint. Jonathan