sync with experimental

manual/luatex-libraries.tex

manual/luatex.pdf

manual/luatex.tex

source/texk/web2c/luatexdir/NEWS

source/texk/web2c/luatexdir/font/luafont.w

source/texk/web2c/luatexdir/font/tt_table.w

source/texk/web2c/luatexdir/font/writecff.w

source/texk/web2c/luatexdir/font/writetype2.w

source/texk/web2c/luatexdir/lua/lcallbacklib.c

source/texk/web2c/luatexdir/lua/llualib.c

source/texk/web2c/luatexdir/lua/lnewtokenlib.c

source/texk/web2c/luatexdir/lua/lnodelib.c

source/texk/web2c/luatexdir/lua/lpdflib.c

source/texk/web2c/luatexdir/lua/ltexlib.c

source/texk/web2c/luatexdir/lua/luainit.w

source/texk/web2c/luatexdir/lua/luatex-api.h

source/texk/web2c/luatexdir/luafontloader/src/luafflib.c

source/texk/web2c/luatexdir/luatex.c

source/texk/web2c/luatexdir/luatexcallbackids.h

source/texk/web2c/luatexdir/pdf/pdflistout.w