if I am right in remembering, this fixes a problem with big images in mixed 32/64 environments


git-svn-id: https://foundry.supelec.fr/svn/luatex/trunk@4663 0b2b3880-5936-4365-a048-eb17d2e5a6bf
change the maximum word length to 2^16


git-svn-id: https://foundry.supelec.fr/svn/luatex/trunk@4664 0b2b3880-5936-4365-a048-eb17d2e5a6bf
document world length change


git-svn-id: https://foundry.supelec.fr/svn/luatex/trunk@4665 0b2b3880-5936-4365-a048-eb17d2e5a6bf
fix a few bugs found in 'pdfscanner'


git-svn-id: https://foundry.supelec.fr/svn/luatex/trunk@4666 0b2b3880-5936-4365-a048-eb17d2e5a6bf
fix 4669


git-svn-id: https://foundry.supelec.fr/svn/luatex/trunk@4670 0b2b3880-5936-4365-a048-eb17d2e5a6bf
fixed Issue 864

git-svn-id: https://foundry.supelec.fr/svn/luatex/trunk@4671 0b2b3880-5936-4365-a048-eb17d2e5a6bf