From cd83806db3427557043949f1d0ef6f369e681791 Mon Sep 17 00:00:00 2001
From: Karl Berry <karl@freefriends.org>
Date: Sat, 4 May 2019 22:48:20 +0000
Subject: luavlna (16apr19)

git-svn-id: svn://tug.org/texlive/trunk@50993 c570f23f-e606-0410-a88d-b1316a301751
---
 .../tex/luatex/luavlna/luavlna-csplain-langs.lua   | 80 ++++++----------------
 .../tex/luatex/luavlna/luavlna-langno.lua          |  3 +-
 Master/texmf-dist/tex/luatex/luavlna/luavlna.lua   |  6 +-
 3 files changed, 24 insertions(+), 65 deletions(-)

(limited to 'Master/texmf-dist/tex/luatex')

diff --git a/Master/texmf-dist/tex/luatex/luavlna/luavlna-csplain-langs.lua b/Master/texmf-dist/tex/luatex/luavlna/luavlna-csplain-langs.lua
index b061bee4297..f4e1ccea168 100644
--- a/Master/texmf-dist/tex/luatex/luavlna/luavlna-csplain-langs.lua
+++ b/Master/texmf-dist/tex/luatex/luavlna/luavlna-csplain-langs.lua
@@ -1,59 +1,21 @@
-return {
-["spanish; castilian"]={26, 126},
-["magyar; hungarian"]={30, 130},
-["english; usenglish; american"]={100},
-["icelandic"]={42, 142},
-["basque"]={33, 133},
-["coptic"]={205},
-["catalan; valencian"]={204},
-["welsh"]={24, 124},
-["irish"]={34, 134},
-["armenian"]={210},
-["chinese"]={41, 141},
-["danish"]={25, 125},
-["turkish"]={31, 131},
-["interlingua "]={103},
-["slovak"]={6, 16, 116},
-["english; ukenglish; british"]={101},
-["ukrainian"]={209},
-["turkmen"]={47, 147},
-["sanskrit"]={207},
-["hindi"]={212},
-["lao"]={214},
-["finnish"]={29, 129},
-["assamese"]={211},
-["greek; polutonikogreek"]={203},
-["czech"]={5, 15, 115},
-["tamil"]={221},
-["italian"]={102},
-["french; francais; canadien; acadian"]={22, 122},
-["telugu"]={222},
-["croatian"]={40, 140},
-["panjabi; punjabi"]={220},
-["oriya"]={219},
-["russian"]={208},
-["malayalam"]={217},
-["marathi"]={218},
-["uppersorbian"]={43, 143},
-["portuges; portuguese; brazilian; brazil"]={38, 138},
-["galician"]={45, 145},
-["latvian"]={215},
-["afrikaans"]={44, 144},
-["lithuanian"]={216},
-["slovenian;slovene"]={28, 128},
-["mongolian"]={206},
-["greek; polutonikogreek"]={202},
-["latin"]={48, 148},
-["indonesian; indon; bahasai; bahasam; malay; meyalu"]={104},
-["polish"]={23, 123},
-["bokmål"]={35, 135},
-["dutch; flemish"]={37, 137},
-["greek; polutonikogreek"]={201},
-["norsk; nynorsk; norwegian"]={36, 136},
-["kannada"]={213},
-["estonian"]={32, 132},
-["english; usenglish; american; ukenglish; british; canadian; australian; newzealand"]={0},
-["romanian; moldavian; moldovan"]={39, 139},
-["german; germanb; ngerman; naustrian"]={21, 121},
-["kurdish"]={46, 146},
-}
+local languages = {}
+local function parse_language_lan(content)
+  for name,  id in content:gmatch("preplang%s+.-%s+(.-)%s+.-%s(.-)%s+") do
+    -- skip invalid languages
+    if not name:match("%#") then
+      languages[name] = id
+    end
+  end
+end
+
+local langfile = kpse.find_file("lua-hyphen.lan")
+if langfile then
+  local f = io.open(langfile, "r")
+  local content = f:read("*all")
+  parse_language_lan(content)
+  f:close()
+end
+
+
+return languages
+
diff --git a/Master/texmf-dist/tex/luatex/luavlna/luavlna-langno.lua b/Master/texmf-dist/tex/luatex/luavlna/luavlna-langno.lua
index f4c654ff5fa..f703e4328a9 100644
--- a/Master/texmf-dist/tex/luatex/luavlna/luavlna-langno.lua
+++ b/Master/texmf-dist/tex/luatex/luavlna/luavlna-langno.lua
@@ -67,7 +67,6 @@ local load_csplain= function()
 	local numlang = {}
 	for k, v in pairs(l) do
 		local first = k:gsub(" *;.*","")
-		--print(first)
 		langnum[first] = v
 		for _,i in ipairs(v) do
 			numlang[i] = first
@@ -85,7 +84,7 @@ drivers["luatex"]  = load_lang_dat
 drivers["default"] = load_lang_dat
 drivers["csplain"] = load_csplain
 drivers["pdfcsplain"] = load_csplain
-drivers["luaplain"] = load_csplain
+drivers["luacsplain"] = load_csplain
 
 local load_languages = function(name)
   local name = name or format
diff --git a/Master/texmf-dist/tex/luatex/luavlna/luavlna.lua b/Master/texmf-dist/tex/luatex/luavlna/luavlna.lua
index ce596bc2588..84d4c3f82cd 100644
--- a/Master/texmf-dist/tex/luatex/luavlna/luavlna.lua
+++ b/Master/texmf-dist/tex/luatex/luavlna/luavlna.lua
@@ -47,15 +47,12 @@ local tex4ht = false
 -- must be table in the {char = true, char2=true} form
 local set_singlechars= function(lang,c)
   --print("Set single chars lua")
-  print(type(lang), lang)
   if type(lang) == "table" then
     for _,l in pairs(lang) do
-      print("language: ",l)
       singlechars[l] = c
     end
   else
     local lang = tonumber(lang)
-    print("language: ",lang)
     -- for k,_ in pairs(c) do print(k) end
     singlechars[lang] = c
   end
@@ -231,7 +228,8 @@ local function prevent_single_letter (head)
   while head do
     local id = head.id 
     local nextn = head.next
-    local skip = node.has_attribute(head, luatexbase.attributes.preventsinglestatus) 
+    -- local skip = node.has_attribute(head, luatexbase.attributes.preventsinglestatus) 
+    local skip = node.has_attribute(head, M.preventsingleid)
     if id == math_id then
       if head.subtype == 0 then
         word = ""
-- 
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