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diff --git a/include/zcom4.h b/include/zcom4.h
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+++ b/include/zcom4.h
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+/******************************************************************************
+ *
+ *  zcom4.h - 	code for class 'zCom4'- a module that reads compressed text
+ *     	       	files: ot and nt using indexs ??.vss
+ *
+ * $Id: zcom4.h 3141 2014-03-19 01:24:04Z chrislit $
+ *
+ * Copyright 1996-2014 CrossWire Bible Society (http://www.crosswire.org)
+ *	CrossWire Bible Society
+ *	P. O. Box 2528
+ *	Tempe, AZ  85280-2528
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation version 2.
+ *
+ * This program 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
+ * General Public License for more details.
+ *
+ */
+
+#ifndef ZCOM4_H
+#define ZCOM4_H
+
+#include <swcom.h>
+
+#include <defs.h>
+
+SWORD_NAMESPACE_START
+
+class SWDLLEXPORT zCom4 : public zVerse4, public SWCom {
+
+	VerseKey *lastWriteKey;
+	bool sameBlock(VerseKey * lastWriteKey, VerseKey * key);
+	int blockType;
+
+
+public:
+
+	zCom4(const char *ipath, const char *iname = 0, const char *idesc = 0,
+			int blockType = CHAPTERBLOCKS, SWCompress *icomp = 0,
+			SWDisplay *idisp = 0, SWTextEncoding encoding = ENC_UNKNOWN,
+			SWTextDirection dir = DIRECTION_LTR,
+			SWTextMarkup markup = FMT_UNKNOWN, const char *ilang = 0,
+			const char *versification = "KJV");
+	virtual ~zCom4();
+	virtual SWBuf &getRawEntryBuf() const;
+	virtual void increment(int steps = 1);
+	virtual void decrement(int steps = 1) { increment(-steps); }
+
+	// write interface ----------------------------
+	virtual bool isWritable() const;
+	static char createModule(const char *path, int blockBound, const char *v11n = "KJV") {
+		return zVerse4::createModule(path, blockBound, v11n);
+	}
+	virtual void setEntry(const char *inbuf, long len = -1);	// Modify current module entry
+	virtual void linkEntry(const SWKey * linkKey);	// Link current module entry to other module entry
+	virtual void deleteEntry();	// Delete current module entry
+	// end write interface ------------------------
+
+	virtual void rawZFilter(SWBuf &buf, char direction = 0) const { rawFilter(buf, (SWKey *)(long)direction); }// hack, use key as direction for enciphering
+
+	// swcacher interface ----------------------
+	virtual void flush() { flushCache(); }
+	// end swcacher interface ----------------------
+
+	virtual bool isLinked(const SWKey *k1, const SWKey *k2) const;
+	virtual bool hasEntry(const SWKey *k) const;
+	
+	SWMODULE_OPERATORS
+
+};
+
+SWORD_NAMESPACE_END
+
+#endif