Index: doc/dde.n
==================================================================
--- doc/dde.n
+++ doc/dde.n
@@ -15,13 +15,15 @@
 .sp
 \fBpackage require dde 1.3\fR
 .sp
 \fBdde servername\fR ?\fB\-force\fR? ?\fB\-handler \fIproc\fR? ?\fB\-\|\-\fR? ?\fItopic\fR?
 .sp
-\fBdde execute\fR ?\fB\-async\fR? \fIservice topic data\fR
+.VS 8.6
+\fBdde execute\fR ?\fB\-async\fR? ?\fB\-binary\fR? \fIservice topic data\fR
 .sp
-\fBdde poke\fR \fIservice topic item data\fR
+\fBdde poke\fR ?\fB\-binary\fR? \fIservice topic item data\fR
+.VE 8.6
 .sp
 \fBdde request\fR ?\fB\-binary\fR? \fIservice topic item\fR
 .sp
 \fBdde services \fIservice topic\fR
 .sp
@@ -67,11 +69,11 @@
 safe interpreter then a \fB\-handler\fR procedure must be defined. The
 procedure is called with all the arguments provided by the remote
 call.
 .RE
 .TP
-\fBdde execute\fR ?\fB\-async\fR? \fIservice topic data\fR
+\fBdde execute\fR ?\fB\-async\fR? ?\fB\-binary\fR? \fIservice topic data\fR
 .
 \fBdde execute\fR takes the \fIdata\fR and sends it to the server indicated
 by \fIservice\fR with the topic indicated by \fItopic\fR. Typically,
 \fIservice\fR is the name of an application, and \fItopic\fR is a file to
 work on.  The \fIdata\fR field is given to the remote application.
@@ -78,20 +80,29 @@
 Typically, the application treats the \fIdata\fR field as a script, and the
 script is run in the application.  The \fB\-async\fR option requests
 asynchronous invocation.  The command returns an error message if the
 script did not run, unless the \fB\-async\fR flag was used, in which case
 the command returns immediately with no error.
+.VS 8.6
+The \fB\-binary\fR option treats \fIdata\fR as binary data, otherwise an utf-8
+string is sent.  Combining \fB-binary\fR with the result of
+\fBencoding convertto\fR may be used to send data in arbitrary encodings.
+.VE 8.6
 .TP
-\fBdde poke \fIservice topic item data\fR
+\fBdde poke ?\fB\-binary\fR? \fIservice topic item data\fR
 .
 \fBdde poke\fR passes the \fIdata\fR to the server indicated by
 \fIservice\fR using the \fItopic\fR and \fIitem\fR specified.  Typically,
 \fIservice\fR is the name of an application.  \fItopic\fR is application
 specific but can be a command to the server or the name of a file to work
 on.  The \fIitem\fR is also application specific and is often not used, but
 it must always be non-null.  The \fIdata\fR field is given to the remote
 application.
+.VS 8.6
+The \fB\-binary\fR option treats \fIdata\fR as binary data, otherwise an utf-8
+string is sent.
+.VE 8.6
 .TP
 \fBdde request\fR ?\fB\-binary\fR? \fIservice topic item\fR
 .
 \fBdde request\fR is typically used to get the value of something; the
 value of a cell in Microsoft Excel or the text of a selection in
@@ -166,5 +177,8 @@
 .CE
 .SH "SEE ALSO"
 tk(n), winfo(n), send(n)
 .SH KEYWORDS
 application, dde, name, remote execution
+'\"Local Variables:
+'\"mode: nroff
+'\"End:

Index: library/dde/pkgIndex.tcl
==================================================================
--- library/dde/pkgIndex.tcl
+++ library/dde/pkgIndex.tcl
@@ -1,7 +1,7 @@
-if {![package vsatisfies [package provide Tcl] 8.5]} return
+if {![package vsatisfies [package provide Tcl] 8.4]} return
 if {[string compare [info sharedlibextension] .dll]} return
 if {[::tcl::pkgconfig get debug]} {
-    package ifneeded dde 1.3.3 [list load [file join $dir tcldde13g.dll] dde]
+    package ifneeded dde 1.4.0 [list load [file join $dir tcldde14g.dll] dde]
 } else {
-    package ifneeded dde 1.3.3 [list load [file join $dir tcldde13.dll] dde]
+    package ifneeded dde 1.4.0 [list load [file join $dir tcldde14.dll] dde]
 }

Index: tests/winDde.test
==================================================================
--- tests/winDde.test
+++ tests/winDde.test
@@ -154,10 +154,24 @@
 test winDde-3.5 {DDE request locally} {win dde} {
     set a ""
     dde execute TclEval self {set a "foo"}
     dde request -binary TclEval self a
 } "foo\x00"
+# Set variable a to A with diaeresis (unicode C4) by relying on the fact
+# that utf8 is sent (e.g. "c3 84" on the wire)
+test winDde-3.6 {DDE request utf8} {win dde} {
+    set a "not set"
+    dde execute TclEval self "set a \xc4"
+    scan $a %c
+} 196
+# Set variable a to A with diaeresis (unicode C4) using binary execute
+# and compose utf-8 (e.g. "c3 84" ) manualy
+test winDde-3.7 {DDE request binary} {win dde} {
+    set a "not set"
+    dde execute -binary TclEval self "set a \xc3\x84\x00"
+    scan $a %c
+} 196
 
 # -------------------------------------------------------------------------
 
 test winDde-4.1 {DDE execute remotely} {stdio win dde} {
     set a ""
@@ -200,17 +214,17 @@
 
 # -------------------------------------------------------------------------
 
 test winDde-5.1 {check for bad arguments} -constraints {win dde} -body {
     dde execute "" "" "" ""
-} -returnCodes error -result {wrong # args: should be "dde execute ?-async? serviceName topicName value"}
+} -returnCodes error -result {wrong # args: should be "dde execute ?-async? ?-binary? serviceName topicName value"}
 test winDde-5.2 {check for bad arguments} -constraints {win dde} -body {
     dde execute "" "" ""
 } -returnCodes error -result {cannot execute null data}
 test winDde-5.3 {check for bad arguments} -constraints {win dde} -body {
     dde execute -foo "" "" ""
-} -returnCodes error -result {wrong # args: should be "dde execute ?-async? serviceName topicName value"}
+} -returnCodes error -result {wrong # args: should be "dde execute ?-async? ?-binary? serviceName topicName value"}
 test winDde-5.4 {DDE eval bad arguments} -constraints {win dde} -body {
     dde eval "" "foo"
 } -returnCodes error -result {invalid service name ""}
 
 # -------------------------------------------------------------------------

Index: win/Makefile.in
==================================================================
--- win/Makefile.in
+++ win/Makefile.in
@@ -604,27 +604,27 @@
 		$(COPY) $$i "$(LIB_INSTALL_DIR)"; \
 	    fi; \
 	    done
 	@if [ -f $(DDE_DLL_FILE) ]; then \
 	    echo installing $(DDE_DLL_FILE); \
-	    $(COPY) $(DDE_DLL_FILE) $(LIB_INSTALL_DIR)/dde1.3; \
+	    $(COPY) $(DDE_DLL_FILE) $(LIB_INSTALL_DIR)/dde${DDEDOTVER}; \
 	    $(COPY) $(ROOT_DIR)/library/dde/pkgIndex.tcl \
-		$(LIB_INSTALL_DIR)/dde1.3; \
+		$(LIB_INSTALL_DIR)/dde${DDEDOTVER}; \
 	    fi
 	@if [ -f $(DDE_LIB_FILE) ]; then \
 	    echo installing $(DDE_LIB_FILE); \
-	    $(COPY) $(DDE_LIB_FILE) $(LIB_INSTALL_DIR)/dde1.3; \
+	    $(COPY) $(DDE_LIB_FILE) $(LIB_INSTALL_DIR)/dde${DDEDOTVER}; \
 	    fi
 	@if [ -f $(REG_DLL_FILE) ]; then \
 	    echo installing $(REG_DLL_FILE); \
-	    $(COPY) $(REG_DLL_FILE) $(LIB_INSTALL_DIR)/reg1.3; \
+	    $(COPY) $(REG_DLL_FILE) $(LIB_INSTALL_DIR)/reg${REGDOTVER}; \
 	    $(COPY) $(ROOT_DIR)/library/reg/pkgIndex.tcl \
-		$(LIB_INSTALL_DIR)/reg1.3; \
+		$(LIB_INSTALL_DIR)/reg${REGDOTVER}; \
 	    fi
 	@if [ -f $(REG_LIB_FILE) ]; then \
 	    echo installing $(REG_LIB_FILE); \
-	    $(COPY) $(REG_LIB_FILE) $(LIB_INSTALL_DIR)/reg1.3; \
+	    $(COPY) $(REG_LIB_FILE) $(LIB_INSTALL_DIR)/reg${REGDOTVER}; \
 	    fi
 
 install-libraries: libraries install-tzdata install-msgs
 	@for i in $(prefix)/lib $(INCLUDE_INSTALL_DIR) \
 		$(SCRIPT_INSTALL_DIR); \

Index: win/configure
==================================================================
--- win/configure
+++ win/configure
@@ -1314,12 +1314,12 @@
 TCL_PATCH_LEVEL="b2"
 VER=$TCL_MAJOR_VERSION$TCL_MINOR_VERSION
 
 TCL_DDE_VERSION=1.3
 TCL_DDE_MAJOR_VERSION=1
-TCL_DDE_MINOR_VERSION=3
-TCL_DDE_PATCH_LEVEL="2"
+TCL_DDE_MINOR_VERSION=4
+TCL_DDE_PATCH_LEVEL="0"
 DDEVER=$TCL_DDE_MAJOR_VERSION$TCL_DDE_MINOR_VERSION
 
 TCL_REG_VERSION=1.3
 TCL_REG_MAJOR_VERSION=1
 TCL_REG_MINOR_VERSION=3

Index: win/configure.in
==================================================================
--- win/configure.in
+++ win/configure.in
@@ -17,12 +17,12 @@
 TCL_PATCH_LEVEL="b2"
 VER=$TCL_MAJOR_VERSION$TCL_MINOR_VERSION
 
 TCL_DDE_VERSION=1.3
 TCL_DDE_MAJOR_VERSION=1
-TCL_DDE_MINOR_VERSION=3
-TCL_DDE_PATCH_LEVEL="2"
+TCL_DDE_MINOR_VERSION=4
+TCL_DDE_PATCH_LEVEL="0"
 DDEVER=$TCL_DDE_MAJOR_VERSION$TCL_DDE_MINOR_VERSION
 
 TCL_REG_VERSION=1.3
 TCL_REG_MAJOR_VERSION=1
 TCL_REG_MINOR_VERSION=3

Index: win/tclWinDde.c
==================================================================
--- win/tclWinDde.c
+++ win/tclWinDde.c
@@ -86,11 +86,11 @@
 static HSZ ddeServiceGlobal = 0;
 static DWORD ddeInstance;	/* The application instance handle given to us
 				 * by DdeInitialize. */
 static int ddeIsServer = 0;
 
-#define TCL_DDE_VERSION		"1.3.3"
+#define TCL_DDE_VERSION		"1.4.0"
 #define TCL_DDE_PACKAGE_NAME	"dde"
 #define TCL_DDE_SERVICE_NAME	TEXT("TclEval")
 #define TCL_DDE_EXECUTE_RESULT	TEXT("$TCLEVAL$EXECUTE$RESULT")
 
 TCL_DECLARE_MUTEX(ddeMutex)
@@ -1179,17 +1179,23 @@
     };
     enum DdeSrvOptions {
 	DDE_SERVERNAME_EXACT, DDE_SERVERNAME_HANDLER, DDE_SERVERNAME_LAST,
     };
     static const char *const ddeExecOptions[] = {
-	"-async", NULL
+	"-async", "-binary", NULL
+    };
+    enum DdeExecOptions {
+        DDE_EXEC_ASYNC, DDE_EXEC_BINARY
+    };
+    static const char *const ddePokeOptions[] = {
+	"-binary", NULL
     };
     static const char *const ddeReqOptions[] = {
 	"-binary", NULL
     };
 
-    int index, i, length;
+    int index, i, length, argIndex;
     int async = 0, binary = 0, exact = 0;
     int result = TCL_OK, firstArg = 0;
     HSZ ddeService = NULL, ddeTopic = NULL, ddeItem = NULL, ddeCookie = NULL;
     HDDEDATA ddeData = NULL, ddeItemData = NULL, ddeReturn;
     HCONV hConv = NULL;
@@ -1213,11 +1219,10 @@
     }
 
     switch ((enum DdeSubcommands) index) {
     case DDE_SERVERNAME:
 	for (i = 2; i < objc; i++) {
-	    int argIndex;
 	    if (Tcl_GetIndexFromObj(interp, objv[i], ddeSrvOptions,
 		    "option", 0, &argIndex) != TCL_OK) {
 		/*
 		 * If it is the last argument, it might be a server name
 		 * instead of a bad argument.
@@ -1260,43 +1265,57 @@
 	break;
     case DDE_EXECUTE:
 	if (objc == 5) {
 	    firstArg = 2;
 	    break;
-	} else if (objc == 6) {
-	    int dummy;
-	    if (Tcl_GetIndexFromObj(NULL, objv[2], ddeExecOptions, "option", 0,
-		    &dummy) == TCL_OK) {
-		async = 1;
-		firstArg = 3;
-		break;
-	    }
+	} else if (objc >= 6 && objc <= 7) {
+	    firstArg = objc - 3;
+	    for (i = 2; i < firstArg; i++) {
+		if (Tcl_GetIndexFromObj(interp, objv[i], ddeExecOptions,
+			"option", 0, &argIndex) != TCL_OK) {
+		    goto wrongDdeExecuteArgs;
+		}
+		if (argIndex == DDE_EXEC_ASYNC) {
+		    async = 1;
+		} else {
+		    binary = 1;
+		}
+	    }
+	    break;
 	}
 	/* otherwise... */
+    wrongDdeExecuteArgs:
 	Tcl_WrongNumArgs(interp, 2, objv,
-		"?-async? serviceName topicName value");
+		"?-async? ?-binary? serviceName topicName value");
 	return TCL_ERROR;
     case DDE_POKE:
-	if (objc != 6) {
-	    Tcl_WrongNumArgs(interp, 2, objv,
-		    "serviceName topicName item value");
-	    return TCL_ERROR;
+	if (objc == 6) {
+	    firstArg = 2;
+	    break;
+	} else if ((objc == 7) && (Tcl_GetIndexFromObj(NULL, objv[2],
+		ddePokeOptions, "option", 0, &argIndex) == TCL_OK)) {
+	    binary = 1;
+	    firstArg = 3;
+	    break;
 	}
-	firstArg = 2;
-	break;
+
+	/*
+	 * Otherwise...
+	 */
+
+	Tcl_WrongNumArgs(interp, 2, objv,
+		"serviceName ?-binary? topicName item value");
+	return TCL_ERROR;
     case DDE_REQUEST:
 	if (objc == 5) {
 	    firstArg = 2;
 	    break;
-	} else if (objc == 6) {
-	    int dummy;
-	    if (Tcl_GetIndexFromObj(NULL, objv[2], ddeReqOptions, "option", 0,
-		    &dummy) == TCL_OK) {
-		binary = 1;
-		firstArg = 3;
-		break;
-	    }
+	} else if ((objc == 6) && (Tcl_GetIndexFromObj(NULL, objv[2],
+		ddeReqOptions, "option", 0, &argIndex) == TCL_OK)) {
+	    binary = 1;
+	    firstArg = 3;
+	    break;
 	}
 
 	/*
 	 * Otherwise ...
 	 */
@@ -1315,15 +1334,13 @@
 	if (objc < 4) {
 	wrongDdeEvalArgs:
 	    Tcl_WrongNumArgs(interp, 2, objv, "?-async? serviceName args");
 	    return TCL_ERROR;
 	} else {
-	    int dummy;
-
 	    firstArg = 2;
 	    if (Tcl_GetIndexFromObj(NULL, objv[2], ddeExecOptions, "option",
-		    0, &dummy) == TCL_OK) {
+		    0, &argIndex) == TCL_OK) {
 		if (objc < 5) {
 		    goto wrongDdeEvalArgs;
 		}
 		async = 1;
 		firstArg++;
@@ -1368,14 +1385,22 @@
 	}
 	break;
 
     case DDE_EXECUTE: {
 	int dataLength;
-	BYTE *dataString = (BYTE *) Tcl_GetStringFromObj(
-		objv[firstArg + 2], &dataLength);
+	BYTE *dataString;
+
+	if (binary) {
+	    dataString = (BYTE *)
+		    Tcl_GetByteArrayFromObj(objv[firstArg + 2], &dataLength);
+	} else {
+	    dataString = (BYTE *)
+		    Tcl_GetStringFromObj(objv[firstArg + 2], &dataLength);
+	    dataLength += 1;
+	}
 
-	if (dataLength == 0) {
+	if (dataLength <= (binary ? 0 : sizeof(TCHAR))) {
 	    Tcl_SetObjResult(interp,
 		    Tcl_NewStringObj("cannot execute null data", -1));
 	    Tcl_SetErrorCode(interp, "TCL", "DDE", "NULL", NULL);
 	    result = TCL_ERROR;
 	    break;
@@ -1389,11 +1414,11 @@
 	    result = TCL_ERROR;
 	    break;
 	}
 
 	ddeData = DdeCreateDataHandle(ddeInstance, dataString,
-		(DWORD) dataLength+1, 0, 0, CF_TEXT, 0);
+		(DWORD) dataLength, 0, 0, CF_TEXT, 0);
 	if (ddeData != NULL) {
 	    if (async) {
 		DdeClientTransaction((LPBYTE) ddeData, 0xFFFFFFFF, hConv, 0,
 			CF_TEXT, XTYP_EXECUTE, TIMEOUT_ASYNC, &ddeResult);
 		DdeAbandonTransaction(ddeInstance, hConv, ddeResult);
@@ -1443,12 +1468,12 @@
 		} else {
 		    DWORD tmp;
 		    const BYTE *dataString = DdeAccessData(ddeData, &tmp);
 
 		    if (binary) {
-			returnObjPtr = Tcl_NewByteArrayObj(dataString,
-				(int) tmp);
+			returnObjPtr =
+				Tcl_NewByteArrayObj(dataString, (int) tmp);
 		    } else {
 			returnObjPtr = Tcl_NewStringObj((char *)dataString, -1);
 		    }
 		    DdeUnaccessData(ddeData);
 		    DdeFreeDataHandle(ddeData);
@@ -1472,12 +1497,18 @@
 		    Tcl_NewStringObj("cannot have a null item", -1));
 	    Tcl_SetErrorCode(interp, "TCL", "DDE", "NULL", NULL);
 	    result = TCL_ERROR;
 	    goto cleanup;
 	}
-	dataString = (BYTE *) Tcl_GetStringFromObj(objv[firstArg + 3],
-		&length);
+	if (binary) {
+	    dataString = (BYTE *)
+		    Tcl_GetByteArrayFromObj(objv[firstArg + 3], &length);
+	} else {
+	    dataString = (BYTE *)
+		    Tcl_GetStringFromObj(objv[firstArg + 3], &length);
+	    length += 1;
+	}
 
 	hConv = DdeConnect(ddeInstance, ddeService, ddeTopic, NULL);
 	DdeFreeStringHandle(ddeInstance, ddeService);
 	DdeFreeStringHandle(ddeInstance, ddeTopic);
 
@@ -1486,11 +1517,11 @@
 	    result = TCL_ERROR;
 	} else {
 	    ddeItem = DdeCreateStringHandle(ddeInstance, (void *) itemString,
 		    CP_WINUNICODE);
 	    if (ddeItem != NULL) {
-		ddeData = DdeClientTransaction(dataString, (DWORD) length+1,
+		ddeData = DdeClientTransaction(dataString, (DWORD) length,
 			hConv, ddeItem, CF_TEXT, XTYP_POKE, 5000, NULL);
 		if (ddeData == NULL) {
 		    SetDdeError(interp);
 		    result = TCL_ERROR;
 		}