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diff --git a/Build/source/texk/kpathsea/knj.c b/Build/source/texk/kpathsea/knj.c
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+/* knj.c: check for 2-Byte Kanji (CP 932, SJIS) codes.
+
+ Copyright 2010, 2011 Akira Kakuto.
+
+ This library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ This library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public License
+ along with this library; if not, see <http://www.gnu.org/licenses/>. */
+
+#include <kpathsea/config.h>
+
+KPSEDLL int is_cp932_system;
+
+int isknj(int c)
+{
+ c &= 0xff;
+ return((c>=0x81 && c<=0x9f) || (c>=0xe0 && c<=0xfc));
+}
+
+int isknj2(int c)
+{
+ c &= 0xff;
+ return(c>=0x40 && c<=0xfc && c!=0x7f);
+}