added epdf namespace for constants

git-svn-id: https://foundry.supelec.fr/svn/luatex/branches/experimental@4818 0b2b3880-5936-4365-a048-eb17d2e5a6bf
updated other namespaces

git-svn-id: https://foundry.supelec.fr/svn/luatex/branches/experimental@4819 0b2b3880-5936-4365-a048-eb17d2e5a6bf
updated other namespaces

git-svn-id: https://foundry.supelec.fr/svn/luatex/branches/experimental@4820 0b2b3880-5936-4365-a048-eb17d2e5a6bf
updated other namespaces

git-svn-id: https://foundry.supelec.fr/svn/luatex/branches/experimental@4821 0b2b3880-5936-4365-a048-eb17d2e5a6bf
updated other namespaces

git-svn-id: https://foundry.supelec.fr/svn/luatex/branches/experimental@4822 0b2b3880-5936-4365-a048-eb17d2e5a6bf
simplyfing flush_node & copy_node

git-svn-id: https://foundry.supelec.fr/svn/luatex/branches/experimental@4823 0b2b3880-5936-4365-a048-eb17d2e5a6bf
remove useless l from copy_sub_list

git-svn-id: https://foundry.supelec.fr/svn/luatex/branches/experimental@4824 0b2b3880-5936-4365-a048-eb17d2e5a6bf
patches for info field to a node

git-svn-id: https://foundry.supelec.fr/svn/luatex/branches/experimental@4825 0b2b3880-5936-4365-a048-eb17d2e5a6bf
experimental code on attributes

git-svn-id: https://foundry.supelec.fr/svn/luatex/branches/experimental@4826 0b2b3880-5936-4365-a048-eb17d2e5a6bf
Added a note on Private Use Areas

git-svn-id: https://foundry.supelec.fr/svn/luatex/branches/experimental@4827 0b2b3880-5936-4365-a048-eb17d2e5a6bf
fixed copy_node

git-svn-id: https://foundry.supelec.fr/svn/luatex/branches/experimental@4828 0b2b3880-5936-4365-a048-eb17d2e5a6bf
revert the prev patch on copy_node

git-svn-id: https://foundry.supelec.fr/svn/luatex/branches/experimental@4829 0b2b3880-5936-4365-a048-eb17d2e5a6bf
fixed a bug in texnodes.w 

git-svn-id: https://foundry.supelec.fr/svn/luatex/branches/experimental@4830 0b2b3880-5936-4365-a048-eb17d2e5a6bf
update TODO 

git-svn-id: https://foundry.supelec.fr/svn/luatex/branches/experimental@4831 0b2b3880-5936-4365-a048-eb17d2e5a6bf
added TeX random generator  to the tex table

git-svn-id: https://foundry.supelec.fr/svn/luatex/branches/experimental@4832 0b2b3880-5936-4365-a048-eb17d2e5a6bf
 fixed a useless -1 

git-svn-id: https://foundry.supelec.fr/svn/luatex/branches/experimental@4833 0b2b3880-5936-4365-a048-eb17d2e5a6bf