allow utf8 identifiers

git-svn-id: https://foundry.supelec.fr/svn/luatex/branches/experimental@4795 0b2b3880-5936-4365-a048-eb17d2e5a6bf
lua_key for internalized strings

git-svn-id: https://foundry.supelec.fr/svn/luatex/branches/experimental@4798 0b2b3880-5936-4365-a048-eb17d2e5a6bf
Fixed luaopen_bit32 declaration (Akira Kakuto)

git-svn-id: https://foundry.supelec.fr/svn/luatex/branches/experimental@4799 0b2b3880-5936-4365-a048-eb17d2e5a6bf
extended the use of internalized string as lnodelib

git-svn-id: https://foundry.supelec.fr/svn/luatex/branches/experimental@4801 0b2b3880-5936-4365-a048-eb17d2e5a6bf
optimized lua_id resolving

git-svn-id: https://foundry.supelec.fr/svn/luatex/branches/experimental@4802 0b2b3880-5936-4365-a048-eb17d2e5a6bf
proposed patch for $\mathchoice{T}{D}{S}{SS}$ bug

git-svn-id: https://foundry.supelec.fr/svn/luatex/branches/experimental@4803 0b2b3880-5936-4365-a048-eb17d2e5a6bf
use lua_key_index in store_math_kerns

git-svn-id: https://foundry.supelec.fr/svn/luatex/branches/experimental@4805 0b2b3880-5936-4365-a048-eb17d2e5a6bf
use n_numeric_field insted of numeric_field

git-svn-id: https://foundry.supelec.fr/svn/luatex/branches/experimental@4806 0b2b3880-5936-4365-a048-eb17d2e5a6bf
more  n_numeric_field insted of numeric_field 

git-svn-id: https://foundry.supelec.fr/svn/luatex/branches/experimental@4807 0b2b3880-5936-4365-a048-eb17d2e5a6bf
add TODO 

git-svn-id: https://foundry.supelec.fr/svn/luatex/branches/experimental@4808 0b2b3880-5936-4365-a048-eb17d2e5a6bf
Update TODO

git-svn-id: https://foundry.supelec.fr/svn/luatex/branches/experimental@4809 0b2b3880-5936-4365-a048-eb17d2e5a6bf
replace pdftex_warn & pdftex_fail with luatex_warn & luatex_fail

git-svn-id: https://foundry.supelec.fr/svn/luatex/branches/experimental@4810 0b2b3880-5936-4365-a048-eb17d2e5a6bf
update TODO

git-svn-id: https://foundry.supelec.fr/svn/luatex/branches/experimental@4811 0b2b3880-5936-4365-a048-eb17d2e5a6bf
simplified n_string_field

git-svn-id: https://foundry.supelec.fr/svn/luatex/branches/experimental@4812 0b2b3880-5936-4365-a048-eb17d2e5a6bf
more lua_key_index

git-svn-id: https://foundry.supelec.fr/svn/luatex/branches/experimental@4813 0b2b3880-5936-4365-a048-eb17d2e5a6bf
update TODO

git-svn-id: https://foundry.supelec.fr/svn/luatex/branches/experimental@4814 0b2b3880-5936-4365-a048-eb17d2e5a6bf
more lua_key on luafont.w

git-svn-id: https://foundry.supelec.fr/svn/luatex/branches/experimental@4815 0b2b3880-5936-4365-a048-eb17d2e5a6bf
again lua_key on luafont.w

git-svn-id: https://foundry.supelec.fr/svn/luatex/branches/experimental@4816 0b2b3880-5936-4365-a048-eb17d2e5a6bf
moving n_numeric_field to luatex-api

git-svn-id: https://foundry.supelec.fr/svn/luatex/branches/experimental@4817 0b2b3880-5936-4365-a048-eb17d2e5a6bf