ltj-jfont.lua: more strict check

diff --git a/src/ltj-jfont.lua b/src/ltj-jfont.lua
index 5dd2bf5..86d553a 100644 (file)
--- a/src/ltj-jfont.lua
+++ b/src/ltj-jfont.lua
@@ -986,7 +986,7 @@ do
      'luaotfload.patch_font',
      function (tfmdata)
        local cidinfo = tfmdata.cidinfo or tfmdata.resources.cidinfo
-       if cidinfo then
+       if cidinfo and cidinfo.registry and cidinfo.ordering then
           local rd = ltjr_prepare_cid_font(cidinfo.registry, cidinfo.ordering)
           if rd then
              local ru, rc = rd.resources.unicodes, rd.characters