From: Hironori Kitagawa <h_kitagawa2001@yahoo.co.jp>
Date: Mon, 2 Feb 2015 08:10:16 +0000 (+0900)
Subject: Bugfix: gi might be nil
X-Git-Tag: 20150420.0~29
X-Git-Url: http://git.osdn.jp/view?a=commitdiff_plain;h=bcdd1199d689c06bf177c0a5b886c21a664558b7;hp=26c57c7267d540f3e7d56f63461840c877c10e3d;p=luatex-ja%2Fluatexja.git

Bugfix: gi might be nil
---

diff --git a/src/ltj-jfont.lua b/src/ltj-jfont.lua
index 05ee1fd..aa92ceb 100644
--- a/src/ltj-jfont.lua
+++ b/src/ltj-jfont.lua
@@ -654,7 +654,7 @@ do
 	    -- vertical metric
 	    local vw, tsb, vk = glyph_vmetric(gv)
 	    local gi = unitable[gv.name]
-	    if vw and vw~=asc_des then
+	    if gi and vw and vw~=asc_des then
 	       -- We do not use tsidebearing, since (1) fontloader does not read VORG table
 	       -- and (2) 'tsidebearing' doea not appear in the returned table by fontloader.fields.
 	       -- Hence, we assume that vertical origin == ascender
@@ -663,7 +663,7 @@ do
 	       dest[gi].vwidth = vw/units
 	    end
 	    -- vertical kern
-	    if vk then
+	    if gi and vk then
 	       dest = dest or {};
 	       local dest_vk = dest.vkerns or {}; dest.vkerns = dest_vk
 	       for _,v in pairs(vk) do