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[luatex-ja/luatexja.git] / src / ltj-ruby.lua

diff --git a/src/ltj-ruby.lua b/src/ltj-ruby.lua
index 66184b6..57686fe 100644 (file)
--- a/src/ltj-ruby.lua
+++ b/src/ltj-ruby.lua
@@ -3,7 +3,7 @@
 --
 luatexbase.provides_module({
   name = 'luatexja.ruby',
-  date = '2014/05/08',
+  date = '2015/01/14',
   description = 'Ruby annotation',
 })
 module('luatexja.ruby', package.seeall)
@@ -26,7 +26,7 @@ local getchar = (Dnode ~= node) and Dnode.getchar or function(n) return n.char e
 local getsubtype = (Dnode ~= node) and Dnode.getsubtype or function(n) return n.subtype end
 
 local node_new = Dnode.new
-local node_remove = luatexja.Dnode_remove -- Dnode.remove
+local node_remove = Dnode.remove
 local node_next = (Dnode ~= node) and Dnode.getnext or node.next
 local node_copy, node_free, node_tail = Dnode.copy, Dnode.free, Dnode.tail
 local has_attr, set_attr = Dnode.has_attribute, Dnode.set_attribute
@@ -571,7 +571,7 @@ local post_lown
 do
    local function write_aux(wv, num)
       local id = has_attr(wv, attr_ruby_id)
-      if id>0 then
+      if id>0 and cache_handle then
         cache_handle:write(
                    'luatexja.ruby.old_break_info['
                       .. tostring(id) .. ']=' .. num