[svn-r27038] Merge of r26393-27031 from the trunk.

Tested on 64-bit linux VM w/ C++ and Fortran 2003

32 files changed, 574 insertions, 179 deletions

diff --git a/c++/src/CMakeLists.txt b/c++/src/CMakeLists.txt
index 513bbb6..2f3a0c4 100644
--- a/c++/src/CMakeLists.txt
+++ b/c++/src/CMakeLists.txt
@@ -84,7 +84,7 @@ set (CPP_HDRS
 )
 
 add_library (${HDF5_CPP_LIB_TARGET} ${LIB_TYPE} ${CPP_SRCS} ${CPP_HDRS})
-TARGET_C_PROPERTIES (${HDF5_CPP_LIB_TARGET} " " " ")
+TARGET_C_PROPERTIES (${HDF5_CPP_LIB_TARGET} ${LIB_TYPE} " " " ")
 target_link_libraries (${HDF5_CPP_LIB_TARGET} ${HDF5_LIB_TARGET})
 set_global_variable (HDF5_LIBRARIES_TO_EXPORT "${HDF5_LIBRARIES_TO_EXPORT};${HDF5_CPP_LIB_TARGET}")
 H5_SET_LIB_OPTIONS (${HDF5_CPP_LIB_TARGET} ${HDF5_CPP_LIB_NAME} ${LIB_TYPE})
diff --git a/c++/src/H5AbstractDs.cpp b/c++/src/H5AbstractDs.cpp
index e6cacf9..d59c1eb 100644
--- a/c++/src/H5AbstractDs.cpp
+++ b/c++/src/H5AbstractDs.cpp
@@ -21,6 +21,7 @@
 #include "H5PropList.h"
 #include "H5Object.h"
 #include "H5AbstractDs.h"
+#include "H5DataSpace.h"
 #include "H5DcreatProp.h"
 #include "H5CommonFG.h"
 #include "H5Alltypes.h"
@@ -40,6 +41,12 @@ AbstractDs::AbstractDs(){}
 // Function:	AbstractDs default constructor
 ///\brief	Creates an AbstractDs instance using an existing id.
 // Programmer	Binh-Minh Ribler - 2000
+//
+// *** Deprecation warning ***
+// This constructor is no longer appropriate because the data member "id" had
+// been moved to the sub-classes.  It will be removed in 1.10 release.  If its
+// removal does not raise any problems in 1.10, it will be removed from 1.8 in
+// subsequent releases.
 //--------------------------------------------------------------------------
 AbstractDs::AbstractDs(const hid_t ds_id){}
 
@@ -47,8 +54,13 @@ AbstractDs::AbstractDs(const hid_t ds_id){}
 // Function:	AbstractDs copy constructor
 ///\brief	Copy constructor: makes a copy of the original AbstractDs object.
 // Programmer	Binh-Minh Ribler - 2000
+// *** Deprecation warning ***
+// This constructor is no longer appropriate because the data member "id" had
+// been moved to the sub-classes.  It is removed from 1.8.15 because it is
+// a noop and it can be generated by the compiler if needed.
 //--------------------------------------------------------------------------
-AbstractDs::AbstractDs(const AbstractDs& original){}
+//--------------------------------------------------------------------------
+// AbstractDs::AbstractDs(const AbstractDs& original){}
 
 //--------------------------------------------------------------------------
 // Function:	AbstractDs::getTypeClass
@@ -113,8 +125,9 @@ DataType AbstractDs::getDataType() const
    // depending on which object invokes getDataType.  Then, create and
    // return the DataType object
    try {
-      DataType datatype(p_get_type());
-      return(datatype);
+	DataType datatype;
+	f_DataType_setId(&datatype, p_get_type());
+	return(datatype);
    }
    catch (DataSetIException E) {
       throw DataTypeIException("DataSet::getDataType", E.getDetailMsg());
@@ -139,8 +152,9 @@ ArrayType AbstractDs::getArrayType() const
    // depending on which object invokes getArrayType.  Then, create and
    // return the ArrayType object
    try {
-      ArrayType arraytype(p_get_type());
-      return(arraytype);
+	ArrayType arraytype;
+	f_DataType_setId(&arraytype, p_get_type());
+	return(arraytype);
    }
    catch (DataSetIException E) {
       throw DataTypeIException("DataSet::getArrayType", E.getDetailMsg());
@@ -165,8 +179,9 @@ CompType AbstractDs::getCompType() const
    // depending on which object invokes getCompType.  Then, create and
    // return the CompType object
    try {
-      CompType comptype(p_get_type());
-      return(comptype);
+	CompType comptype;
+	f_DataType_setId(&comptype, p_get_type());
+	return(comptype);
    }
    catch (DataSetIException E) {
       throw DataTypeIException("DataSet::getCompType", E.getDetailMsg());
@@ -191,8 +206,9 @@ EnumType AbstractDs::getEnumType() const
    // depending on which object invokes getEnumType.  Then, create and
    // return the EnumType object
    try {
-      EnumType enumtype(p_get_type());
-      return(enumtype);
+	EnumType enumtype;
+	f_DataType_setId(&enumtype, p_get_type());
+	return(enumtype);
    }
    catch (DataSetIException E) {
       throw DataTypeIException("DataSet::getEnumType", E.getDetailMsg());
@@ -217,8 +233,9 @@ IntType AbstractDs::getIntType() const
    // depending on which object invokes getIntType.  Then, create and
    // return the IntType object
    try {
-      IntType inttype(p_get_type());
-      return(inttype);
+	IntType inttype;
+	f_DataType_setId(&inttype, p_get_type());
+	return(inttype);
    }
    catch (DataSetIException E) {
       throw DataTypeIException("DataSet::getIntType", E.getDetailMsg());
@@ -243,8 +260,9 @@ FloatType AbstractDs::getFloatType() const
    // depending on which object invokes getFloatType.  Then, create and
    // return the FloatType object
    try {
-      FloatType floatype(p_get_type());
-      return(floatype);
+	FloatType floatype;
+	f_DataType_setId(&floatype, p_get_type());
+	return(floatype);
    }
    catch (DataSetIException E) {
       throw DataTypeIException("DataSet::getFloatType", E.getDetailMsg());
@@ -269,8 +287,9 @@ StrType AbstractDs::getStrType() const
    // depending on which object invokes getStrType.  Then, create and
    // return the StrType object
    try {
-      StrType strtype(p_get_type());
-      return(strtype);
+	StrType strtype;
+	f_DataType_setId(&strtype, p_get_type());
+	return(strtype);
    }
    catch (DataSetIException E) {
       throw DataTypeIException("DataSet::getStrType", E.getDetailMsg());
@@ -295,8 +314,9 @@ VarLenType AbstractDs::getVarLenType() const
    // depending on which object invokes getVarLenType.  Then, create and
    // return the VarLenType object
    try {
-      VarLenType varlentype(p_get_type());
-      return(varlentype);
+	VarLenType varlentype;
+	f_DataType_setId(&varlentype, p_get_type());
+	return(varlentype);
    }
    catch (DataSetIException E) {
       throw DataTypeIException("DataSet::getVarLenType", E.getDetailMsg());
diff --git a/c++/src/H5AbstractDs.h b/c++/src/H5AbstractDs.h
index 01d05b8..810dc8b 100644
--- a/c++/src/H5AbstractDs.h
+++ b/c++/src/H5AbstractDs.h
@@ -28,6 +28,7 @@ class FloatType;
 class IntType;
 class StrType;
 class VarLenType;
+class DataSpace;
 
 /*! \class AbstractDs
     \brief AbstractDs is an abstract base class, inherited by Attribute
@@ -70,9 +71,6 @@ class H5_DLLCPP AbstractDs {
 	///\brief Returns this class name.
 	virtual H5std_string fromClass() const = 0;
 
-	// Copy constructor
-	AbstractDs( const AbstractDs& original );
-
 	// Destructor
 	virtual ~AbstractDs();
 
@@ -80,8 +78,17 @@ class H5_DLLCPP AbstractDs {
 	// Default constructor
 	AbstractDs();
 
-	// Constructor that takes an attribute id or a dataset id.
-	AbstractDs( const hid_t ds_id );
+        // *** Deprecation warning ***
+        // The following two constructors are no longer appropriate after the
+        // data member "id" had been moved to the sub-classes.
+        // The copy constructor is a noop and is removed in 1.8.15 and the
+        // other will be removed from 1.10 release, and then from 1.8 if its
+        // removal does not raise any problems in two 1.10 releases.
+
+	AbstractDs(const hid_t h5_id);
+
+	// Copy constructor
+	// AbstractDs( const AbstractDs& original );
 
    private:
 	// This member function is implemented by DataSet and Attribute.
diff --git a/c++/src/H5ArrayType.h b/c++/src/H5ArrayType.h
index 511126e..6577a6e 100644
--- a/c++/src/H5ArrayType.h
+++ b/c++/src/H5ArrayType.h
@@ -49,7 +49,6 @@ class H5_DLLCPP ArrayType : public DataType {
 	// Noop destructor
 	virtual ~ArrayType();
 
-   protected:
 	// Default constructor
 	ArrayType();
 
diff --git a/c++/src/H5Attribute.cpp b/c++/src/H5Attribute.cpp
index a9e928d..0bfdff8 100644
--- a/c++/src/H5Attribute.cpp
+++ b/c++/src/H5Attribute.cpp
@@ -74,7 +74,8 @@ Attribute::Attribute(const Attribute& original) : AbstractDs(), IdComponent()
 //--------------------------------------------------------------------------
 Attribute::Attribute(const hid_t existing_id) : AbstractDs(), IdComponent()
 {
-   id = existing_id;
+    id = existing_id;
+    incRefCount(); // increment number of references to this id
 }
 
 //--------------------------------------------------------------------------
@@ -270,8 +271,9 @@ DataSpace Attribute::getSpace() const
    // If the dataspace id is valid, create and return the DataSpace object
    if( dataspace_id > 0 )
    {
-      DataSpace dataspace( dataspace_id );
-      return( dataspace );
+	DataSpace dataspace;
+	f_DataSpace_setId(&dataspace, dataspace_id);
+	return(dataspace);
    }
    else
    {
@@ -392,10 +394,12 @@ H5std_string Attribute::getName() const
 //--------------------------------------------------------------------------
 H5std_string Attribute::getName(size_t len) const
 {
-   H5std_string attr_name;
-   ssize_t name_size = getName(attr_name, len);
-   return(attr_name);
-   // let caller catch exception if any
+    H5std_string attr_name;
+    ssize_t name_size = getName(attr_name, len);
+    if (name_size < 0)
+	return("");
+    else
+	return(attr_name);
 }
 
 //--------------------------------------------------------------------------
diff --git a/c++/src/H5Attribute.h b/c++/src/H5Attribute.h
index f57b922..eced64e 100644
--- a/c++/src/H5Attribute.h
+++ b/c++/src/H5Attribute.h
@@ -31,6 +31,16 @@ namespace H5 {
 */
 class H5_DLLCPP Attribute : public AbstractDs, public IdComponent {
    public:
+
+	// Copy constructor: makes a copy of an existing Attribute object.
+	Attribute( const Attribute& original );
+
+	// Default constructor
+	Attribute();
+
+	// Creates a copy of an existing attribute using the attribute id
+	Attribute( const hid_t attr_id );
+
 	// Closes this attribute.
 	virtual void close();
 
@@ -70,15 +80,6 @@ class H5_DLLCPP Attribute : public AbstractDs, public IdComponent {
 	///\brief Returns this class name.
 	virtual H5std_string fromClass () const { return("Attribute"); }
 
-	// Creates a copy of an existing attribute using the attribute id
-	Attribute( const hid_t attr_id );
-
-	// Copy constructor: makes a copy of an existing Attribute object.
-	Attribute( const Attribute& original );
-
-	// Default constructor
-	Attribute();
-
 	// Gets the attribute id.
 	virtual hid_t getId() const;
 
@@ -109,6 +110,10 @@ class H5_DLLCPP Attribute : public AbstractDs, public IdComponent {
 
 	// do not inherit H5Object::renameAttr
 	void renameAttr() {}
+
+	// Friend function to set Attribute id.  For library use only.
+	friend void f_Attribute_setId(Attribute* attr, hid_t new_id);
+
 };
 #ifndef H5_NO_NAMESPACE
 }
diff --git a/c++/src/H5CommonFG.cpp b/c++/src/H5CommonFG.cpp
index 3aa0386..dbe26b4 100644
--- a/c++/src/H5CommonFG.cpp
+++ b/c++/src/H5CommonFG.cpp
@@ -14,6 +14,7 @@
  * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
 
 #include <string>
+#include <iostream>
 
 #include "H5Include.h"
 #include "H5Exception.h"
@@ -33,9 +34,6 @@
 #include "H5Alltypes.h"
 #include "H5private.h"		// for HDstrcpy
 
-#include <iostream>
-using namespace std;
-
 // There are a few comments that are common to most of the functions
 // defined in this file so they are listed here.
 // - getLocId is called by all functions, that call a C API, to get
@@ -51,6 +49,7 @@ using namespace std;
 
 #ifndef H5_NO_NAMESPACE
 namespace H5 {
+using namespace std;
 #endif
 
 //--------------------------------------------------------------------------
@@ -100,7 +99,9 @@ Group CommonFG::createGroup( const char* name, size_t size_hint ) const
       throwException("createGroup", "H5Gcreate2 failed");
 
    // No failure, create and return the Group object
-   Group group( group_id );
+   Group group;
+    CommonFG *ptr = &group;
+    ptr->p_setId(group_id);
    return( group );
 }
 
@@ -136,7 +137,9 @@ Group CommonFG::openGroup( const char* name ) const
       throwException("openGroup", "H5Gopen2 failed");
 
    // No failure, create and return the Group object
-   Group group( group_id );
+   Group group;
+    CommonFG *ptr = &group;
+    ptr->p_setId(group_id);
    return( group );
 }
 
@@ -178,7 +181,8 @@ DataSet CommonFG::createDataSet( const char* name, const DataType& data_type, co
       throwException("createDataSet", "H5Dcreate2 failed");
 
    // No failure, create and return the DataSet object
-   DataSet dataset( dataset_id );
+   DataSet dataset;
+   f_DataSet_setId(&dataset, dataset_id);
    return( dataset );
 }
 
@@ -213,7 +217,8 @@ DataSet CommonFG::openDataSet( const char* name ) const
       throwException("openDataSet", "H5Dopen2 failed");
 
    // No failure, create and return the DataSet object
-   DataSet dataset( dataset_id );
+   DataSet dataset;
+   f_DataSet_setId(&dataset, dataset_id);
    return( dataset );
 }
 
@@ -576,7 +581,8 @@ DataType CommonFG::openDataType( const char* name ) const
       throwException("openDataType", "H5Topen2 failed");
 
    // No failure, create and return the DataType object
-   DataType data_type(type_id);
+   DataType data_type;
+   f_DataType_setId(&data_type, type_id);
    return(data_type);
 }
 
@@ -611,7 +617,8 @@ ArrayType CommonFG::openArrayType( const char* name ) const
       throwException("openArrayType", "H5Topen2 failed");
 
    // No failure, create and return the ArrayType object
-   ArrayType array_type (type_id);
+   ArrayType array_type;
+   f_DataType_setId(&array_type, type_id);
    return(array_type);
 }
 
@@ -646,7 +653,8 @@ CompType CommonFG::openCompType( const char* name ) const
       throwException("openCompType", "H5Topen2 failed");
 
    // No failure, create and return the CompType object
-   CompType comp_type(type_id);
+   CompType comp_type;
+   f_DataType_setId(&comp_type, type_id);
    return(comp_type);
 }
 
@@ -681,7 +689,8 @@ EnumType CommonFG::openEnumType( const char* name ) const
       throwException("openEnumType", "H5Topen2 failed");
 
    // No failure, create and return the EnumType object
-   EnumType enum_type(type_id);
+   EnumType enum_type;
+   f_DataType_setId(&enum_type, type_id);
    return(enum_type);
 }
 
@@ -716,7 +725,8 @@ IntType CommonFG::openIntType( const char* name ) const
       throwException("openIntType", "H5Topen2 failed");
 
    // No failure, create and return the IntType object
-   IntType int_type(type_id);
+   IntType int_type;
+   f_DataType_setId(&int_type, type_id);
    return(int_type);
 }
 
@@ -751,7 +761,8 @@ FloatType CommonFG::openFloatType( const char* name ) const
       throwException("openFloatType", "H5Topen2 failed");
 
    // No failure, create and return the FloatType object
-   FloatType float_type(type_id);
+   FloatType float_type;
+   f_DataType_setId(&float_type, type_id);
    return(float_type);
 }
 
@@ -786,7 +797,8 @@ StrType CommonFG::openStrType( const char* name ) const
       throwException("openStrType", "H5Topen2 failed");
 
    // No failure, create and return the StrType object
-   StrType str_type(type_id);
+   StrType str_type;
+   f_DataType_setId(&str_type, type_id);
    return(str_type);
 }
 
@@ -821,7 +833,8 @@ VarLenType CommonFG::openVarLenType( const char* name ) const
       throwException("openVarLenType", "H5Topen2 failed");
 
    // No failure, create and return the VarLenType object
-   VarLenType varlen_type(type_id);
+   VarLenType varlen_type;
+   f_DataType_setId(&varlen_type, type_id);
    return(varlen_type);
 }
 
@@ -1100,6 +1113,58 @@ H5O_type_t CommonFG::childObjType(hsize_t index, H5_index_t index_type, H5_iter_
     return(objtype);
 }
 
+//--------------------------------------------------------------------------
+// Function:	CommonFG::childObjVersion
+///\brief	Returns the object header version of an object in this file/group,
+///		given the object's name.
+///\param	objname - IN: Name of the object
+///\return	Object version, which can have the following values:
+///		\li \c H5O_VERSION_1
+///		\li \c H5O_VERSION_2
+///\exception	H5::FileIException or H5::GroupIException
+///		Exception will be thrown when:
+///		- an error returned by the C API
+///		- version number is not one of the valid values above
+// Programmer	Binh-Minh Ribler - April, 2014
+//--------------------------------------------------------------------------
+unsigned CommonFG::childObjVersion(const char* objname) const
+{
+    H5O_info_t objinfo;
+    unsigned version = 0;
+
+    // Use C API to get information of the object
+    herr_t ret_value = H5Oget_info_by_name(getLocId(), objname, &objinfo, H5P_DEFAULT);
+
+    // Throw exception if C API returns failure
+    if (ret_value < 0)
+	throwException("childObjVersion", "H5Oget_info_by_name failed");
+    // Return a valid version or throw an exception for invalid value
+    else
+    {
+	version = objinfo.hdr.version;
+	if (version != H5O_VERSION_1 && version != H5O_VERSION_2)
+	    throwException("childObjVersion", "Invalid version for object");
+    }
+    return(version);
+}
+
+//--------------------------------------------------------------------------
+// Function:	CommonFG::childObjVersion
+///\brief	This is an overloaded member function, provided for convenience.
+///		It takes an \a H5std_string for the object's name.
+///\brief	Returns the type of an object in this group, given the
+///		object's name.
+///\param	objname - IN: Name of the object (H5std_string&)
+///\exception	H5::FileIException or H5::GroupIException
+// Programmer	Binh-Minh Ribler - April, 2014
+//--------------------------------------------------------------------------
+unsigned CommonFG::childObjVersion(const H5std_string& objname) const
+{
+    // Use overloaded function
+    unsigned version = childObjVersion(objname.c_str());
+    return(version);
+}
+
 #ifndef H5_NO_DEPRECATED_SYMBOLS
 #ifndef DOXYGEN_SHOULD_SKIP_THIS
 //--------------------------------------------------------------------------
@@ -1172,6 +1237,7 @@ H5G_obj_t CommonFG::getObjTypeByIdx(hsize_t idx, H5std_string& type_name) const
    }
    return (obj_type);
 }
+
 #endif // DOXYGEN_SHOULD_SKIP_THIS
 #endif /* H5_NO_DEPRECATED_SYMBOLS */
 
@@ -1189,6 +1255,37 @@ CommonFG::CommonFG() {}
 // Programmer	Binh-Minh Ribler - 2000
 //--------------------------------------------------------------------------
 CommonFG::~CommonFG() {}
+
+//--------------------------------------------------------------------------
+// Function:	f_DataType_setId - friend
+// Purpose:	This function is friend to class H5::DataType so that it
+//		can set DataType::id in order to work around a problem
+//		described in the JIRA issue HDFFV-7947.
+//		Applications shouldn't need to use it.
+// param        dtype   - IN/OUT: DataType object to be changed
+// param        new_id - IN: New id to set
+// Programmer	Binh-Minh Ribler - 2015
+//--------------------------------------------------------------------------
+void f_DataType_setId(DataType* dtype, hid_t new_id)
+{
+    dtype->id = new_id;
+}
+
+//--------------------------------------------------------------------------
+// Function:	f_DataSet_setId - friend
+// Purpose:	This function is friend to class H5::DataSet so that it
+//		can set DataSet::id in order to work around a problem
+//		described in the JIRA issue HDFFV-7947.
+//		Applications shouldn't need to use it.
+// param        dset   - IN/OUT: DataSet object to be changed
+// param        new_id - IN: New id to set
+// Programmer	Binh-Minh Ribler - 2015
+//--------------------------------------------------------------------------
+void f_DataSet_setId(DataSet* dset, hid_t new_id)
+{
+    dset->id = new_id;
+}
+
 #endif // DOXYGEN_SHOULD_SKIP_THIS
 
 #ifndef H5_NO_NAMESPACE
diff --git a/c++/src/H5CommonFG.h b/c++/src/H5CommonFG.h
index 5c8a142..d36d78c 100644
--- a/c++/src/H5CommonFG.h
+++ b/c++/src/H5CommonFG.h
@@ -21,6 +21,7 @@
 namespace H5 {
 #endif
 
+// Class forwarding
 class Group;
 class H5File;
 class ArrayType;
@@ -70,6 +71,11 @@ class H5_DLLCPP CommonFG {
 	H5O_type_t childObjType(const char* objname) const;
 	H5O_type_t childObjType(hsize_t index, H5_index_t index_type=H5_INDEX_NAME, H5_iter_order_t order=H5_ITER_INC, const char* objname=".") const;
 
+	// Returns the object header version of an object in this file or group,
+	// given the object's name.
+	unsigned childObjVersion(const char* objname) const;
+	unsigned childObjVersion(const H5std_string& objname) const;
+
 #ifndef H5_NO_DEPRECATED_SYMBOLS
 	// Returns the type of an object in this group, given the
 	// object's index.
@@ -159,6 +165,10 @@ class H5_DLLCPP CommonFG {
 
 	// Noop destructor.
 	virtual ~CommonFG();
+
+    protected:
+	virtual void p_setId(const hid_t new_id) = 0;
+
 #endif // DOXYGEN_SHOULD_SKIP_THIS
 
 }; // end of CommonFG declaration
diff --git a/c++/src/H5CompType.cpp b/c++/src/H5CompType.cpp
index 191f004..393aafc 100644
--- a/c++/src/H5CompType.cpp
+++ b/c++/src/H5CompType.cpp
@@ -227,7 +227,8 @@ hid_t CompType::p_get_member_type(unsigned member_num) const
 DataType CompType::getMemberDataType( unsigned member_num ) const
 {
    try {
-      DataType datatype(p_get_member_type(member_num));
+      DataType datatype;
+	f_DataType_setId(&datatype, p_get_member_type(member_num));
       return(datatype);
    }
    catch (DataTypeIException E) {
@@ -248,6 +249,7 @@ ArrayType CompType::getMemberArrayType( unsigned member_num ) const
 {
    try {
       ArrayType arraytype(p_get_member_type(member_num));
+	f_DataType_setId(&arraytype, p_get_member_type(member_num));
       return(arraytype);
    }
    catch (DataTypeIException E) {
@@ -268,6 +270,7 @@ CompType CompType::getMemberCompType( unsigned member_num ) const
 {
    try {
       CompType comptype(p_get_member_type(member_num));
+	f_DataType_setId(&comptype, p_get_member_type(member_num));
       return(comptype);
    }
    catch (DataTypeIException E) {
@@ -288,6 +291,7 @@ EnumType CompType::getMemberEnumType( unsigned member_num ) const
 {
    try {
       EnumType enumtype(p_get_member_type(member_num));
+	f_DataType_setId(&enumtype, p_get_member_type(member_num));
       return(enumtype);
    }
    catch (DataTypeIException E) {
@@ -308,6 +312,7 @@ IntType CompType::getMemberIntType( unsigned member_num ) const
 {
    try {
       IntType inttype(p_get_member_type(member_num));
+	f_DataType_setId(&inttype, p_get_member_type(member_num));
       return(inttype);
    }
    catch (DataTypeIException E) {
@@ -328,6 +333,7 @@ FloatType CompType::getMemberFloatType( unsigned member_num ) const
 {
    try {
       FloatType floatype(p_get_member_type(member_num));
+	f_DataType_setId(&floatype, p_get_member_type(member_num));
       return(floatype);
    }
    catch (DataTypeIException E) {
@@ -348,6 +354,7 @@ StrType CompType::getMemberStrType( unsigned member_num ) const
 {
    try {
       StrType strtype(p_get_member_type(member_num));
+	f_DataType_setId(&strtype, p_get_member_type(member_num));
       return(strtype);
    }
    catch (DataTypeIException E) {
@@ -368,6 +375,7 @@ VarLenType CompType::getMemberVarLenType( unsigned member_num ) const
 {
    try {
       VarLenType varlentype(p_get_member_type(member_num));
+	f_DataType_setId(&varlentype, p_get_member_type(member_num));
       return(varlentype);
    }
    catch (DataTypeIException E) {
diff --git a/c++/src/H5DataSet.cpp b/c++/src/H5DataSet.cpp
index 6728264..717ef88 100644
--- a/c++/src/H5DataSet.cpp
+++ b/c++/src/H5DataSet.cpp
@@ -52,7 +52,7 @@ namespace H5 {
 ///\brief	Default constructor: creates a stub DataSet.
 // Programmer	Binh-Minh Ribler - 2000
 //--------------------------------------------------------------------------
-DataSet::DataSet() : AbstractDs(), H5Object(), id(H5I_INVALID_HID) {}
+DataSet::DataSet() : H5Object(), AbstractDs(), id(H5I_INVALID_HID) {}
 
 //--------------------------------------------------------------------------
 // Function:	DataSet overloaded constructor
@@ -60,9 +60,10 @@ DataSet::DataSet() : AbstractDs(), H5Object(), id(H5I_INVALID_HID) {}
 ///\param	existing_id - IN: Id of an existing dataset
 // Programmer	Binh-Minh Ribler - 2000
 //--------------------------------------------------------------------------
-DataSet::DataSet(const hid_t existing_id) : AbstractDs(), H5Object()
+DataSet::DataSet(const hid_t existing_id) : H5Object(), AbstractDs()
 {
     id = existing_id;
+    incRefCount(); // increment number of references to this id
 }
 
 //--------------------------------------------------------------------------
@@ -71,7 +72,7 @@ DataSet::DataSet(const hid_t existing_id) : AbstractDs(), H5Object()
 ///\param	original - IN: DataSet instance to copy
 // Programmer	Binh-Minh Ribler - 2000
 //--------------------------------------------------------------------------
-DataSet::DataSet(const DataSet& original) : AbstractDs(original), H5Object(original)
+DataSet::DataSet(const DataSet& original) : H5Object(), AbstractDs()
 {
     id = original.getId();
     incRefCount(); // increment number of references to this id
@@ -95,7 +96,7 @@ DataSet::DataSet(const DataSet& original) : AbstractDs(original), H5Object(origi
 //	Jul, 2008
 //		Added for application convenience.
 //--------------------------------------------------------------------------
-DataSet::DataSet(const H5Location& loc, const void* ref, H5R_type_t ref_type, const PropList& plist) : AbstractDs(), H5Object(), id(H5I_INVALID_HID)
+DataSet::DataSet(const H5Location& loc, const void* ref, H5R_type_t ref_type, const PropList& plist) : H5Object(), AbstractDs(), id(H5I_INVALID_HID)
 {
     id = H5Location::p_dereference(loc.getId(), ref, ref_type, plist, "constructor - by dereferenced");
 }
@@ -114,7 +115,7 @@ DataSet::DataSet(const H5Location& loc, const void* ref, H5R_type_t ref_type, co
 //	Jul, 2008
 //		Added for application convenience.
 //--------------------------------------------------------------------------
-DataSet::DataSet(const Attribute& attr, const void* ref, H5R_type_t ref_type, const PropList& plist) : AbstractDs(), H5Object(), id(H5I_INVALID_HID)
+DataSet::DataSet(const Attribute& attr, const void* ref, H5R_type_t ref_type, const PropList& plist) : H5Object(), AbstractDs(), id(H5I_INVALID_HID)
 {
     id = H5Location::p_dereference(attr.getId(), ref, ref_type, plist, "constructor - by dereference");
 }
@@ -137,7 +138,8 @@ DataSpace DataSet::getSpace() const
       throw DataSetIException("DataSet::getSpace", "H5Dget_space failed");
    }
    //create dataspace object using the existing id then return the object
-   DataSpace data_space( dataspace_id );
+   DataSpace data_space;
+   f_DataSpace_setId(&data_space, dataspace_id);
    return( data_space );
 }
 
@@ -170,8 +172,8 @@ DSetCreatPropList DataSet::getCreatePlist() const
       throw DataSetIException("DataSet::getCreatePlist", "H5Dget_create_plist failed");
    }
    // create and return the DSetCreatPropList object
-   DSetCreatPropList create_plist( create_plist_id );
-   return( create_plist );
+   DSetCreatPropList create_plist(create_plist_id); // ok to use existing id const
+   return(create_plist);
 }
 
 //--------------------------------------------------------------------------
diff --git a/c++/src/H5DataSet.h b/c++/src/H5DataSet.h
index 529466a..b2544a2 100644
--- a/c++/src/H5DataSet.h
+++ b/c++/src/H5DataSet.h
@@ -30,6 +30,7 @@ namespace H5 {
 */
 class H5_DLLCPP DataSet : public H5Object, public AbstractDs {
    public:
+
 	// Close this dataset.
 	virtual void close();
 
@@ -125,6 +126,10 @@ class H5_DLLCPP DataSet : public H5Object, public AbstractDs {
 	// Reads variable or fixed len strings from this dataset.
 	void p_read_fixed_len(const hid_t mem_type_id, const hid_t mem_space_id, const hid_t file_space_id, const hid_t xfer_plist_id, H5std_string& strg) const;
 	void p_read_variable_len(const hid_t mem_type_id, const hid_t mem_space_id, const hid_t file_space_id, const hid_t xfer_plist_id, H5std_string& strg) const;
+
+	// Friend function to set DataSet id.  For library use only.
+	friend void f_DataSet_setId(DataSet* dset, hid_t new_id);
+
 };
 #ifndef H5_NO_NAMESPACE
 }
diff --git a/c++/src/H5DataSpace.cpp b/c++/src/H5DataSpace.cpp
index 20b4e5e..d9c262d 100644
--- a/c++/src/H5DataSpace.cpp
+++ b/c++/src/H5DataSpace.cpp
@@ -85,6 +85,7 @@ DataSpace::DataSpace( int rank, const hsize_t * dims, const hsize_t * maxdims) :
 DataSpace::DataSpace(const hid_t existing_id) : IdComponent()
 {
     id = existing_id;
+    incRefCount(); // increment number of references to this id
 }
 
 //--------------------------------------------------------------------------
@@ -93,7 +94,7 @@ DataSpace::DataSpace(const hid_t existing_id) : IdComponent()
 ///\param	original - IN: DataSpace object to copy
 // Programmer	Binh-Minh Ribler - 2000
 //--------------------------------------------------------------------------
-DataSpace::DataSpace(const DataSpace& original) : IdComponent(original)
+DataSpace::DataSpace(const DataSpace& original) : IdComponent()
 {
     id = original.getId();
     incRefCount(); // increment number of references to this id
diff --git a/c++/src/H5DataSpace.h b/c++/src/H5DataSpace.h
index b007fd0..a43cecd 100644
--- a/c++/src/H5DataSpace.h
+++ b/c++/src/H5DataSpace.h
@@ -129,6 +129,9 @@ class H5_DLLCPP DataSpace : public IdComponent {
 
    private:
 	hid_t id;       // HDF5 dataspace id
+
+	// Friend function to set DataSpace id.  For library use only.
+	friend void f_DataSpace_setId(DataSpace *dspace, hid_t new_id);
 };
 #ifndef H5_NO_NAMESPACE
 }
diff --git a/c++/src/H5DataType.cpp b/c++/src/H5DataType.cpp
index a435b4e..cdcd1e6 100644
--- a/c++/src/H5DataType.cpp
+++ b/c++/src/H5DataType.cpp
@@ -71,6 +71,7 @@ DataType::DataType() : H5Object(), id(H5I_INVALID_HID) {}
 DataType::DataType(const hid_t existing_id) : H5Object()
 {
     id = existing_id;
+    incRefCount(); // increment number of references to this id
 }
 
 //--------------------------------------------------------------------------
@@ -105,7 +106,7 @@ DataType::DataType( const H5T_class_t type_class, size_t size ) : H5Object()
 //	Jul, 2008
 //		Added for application convenience.
 //--------------------------------------------------------------------------
-DataType::DataType(const H5Location& loc, const void* ref, H5R_type_t ref_type, const PropList& plist) : H5Object(), id(H5I_INVALID_HID)
+DataType::DataType(const H5Location& loc, const void* ref, H5R_type_t ref_type, const PropList& plist) : H5Object()
 {
     id = H5Location::p_dereference(loc.getId(), ref, ref_type, plist, "constructor - by dereference");
 }
@@ -134,13 +135,34 @@ DataType::DataType(const Attribute& attr, const void* ref, H5R_type_t ref_type,
 ///\brief	Copy constructor: makes a copy of the original DataType object.
 // Programmer	Binh-Minh Ribler - 2000
 //--------------------------------------------------------------------------
-DataType::DataType(const DataType& original) : H5Object(original)
+DataType::DataType(const DataType& original) : H5Object()
 {
     id = original.getId();
     incRefCount(); // increment number of references to this id
 }
 
 //--------------------------------------------------------------------------
+// Function:    DataType overloaded constructor
+///\brief       Creates a integer type using a predefined type
+///\param       pred_type - IN: Predefined datatype
+///\exception   H5::DataTypeIException
+// Programmer   Binh-Minh Ribler - 2000
+// Description
+//		Copying the type so that when a predefined type is passed in,
+//		a copy of it is made, not just a duplicate of the HDF5 id.
+//		Note: calling DataType::copy will invoke DataType::close()
+//		unnecessarily and will produce undefined behavior.
+//		-BMR, Apr 2015
+//--------------------------------------------------------------------------
+DataType::DataType(const PredType& pred_type) : H5Object()
+{
+    // call C routine to copy the datatype
+    id = H5Tcopy( pred_type.getId() );
+    if (id < 0)
+	throw DataTypeIException("DataType constructor", "H5Tcopy failed");
+}
+
+//--------------------------------------------------------------------------
 // Function:	DataType::copy
 ///\brief	Copies an existing datatype to this datatype object
 ///\param	like_type - IN: Datatype to be copied
@@ -203,11 +225,22 @@ void DataType::copy(const DataSet& dset)
 // 		Makes a copy of the type on the right hand side and stores
 //		the new id in the left hand side object.
 // Programmer	Binh-Minh Ribler - 2000
+// Modification
+//		Changed operator= to simply copy the id of rhs instead of
+//		calling H5Tcopy because, when the operator= is invoked, a
+//		different datatype id is created and it won't have the same
+//		characteristics as the original one, specifically, if the
+//		rhs represents a named datatype, "this" would still be a
+//		transient datatype.
+//		BMR - Mar, 2015
 //--------------------------------------------------------------------------
 DataType& DataType::operator=( const DataType& rhs )
 {
     if (this != &rhs)
-	copy(rhs);
+    {
+	id = rhs.id;
+	incRefCount(); // increment number of references to this id
+    }
     return(*this);
 }
 
@@ -463,8 +496,9 @@ DataType DataType::getSuper() const
    // the base type, otherwise, raise exception
    if( base_type_id > 0 )
    {
-      DataType base_type( base_type_id );
-      return( base_type );
+	DataType base_type;
+	base_type.p_setId(base_type_id);
+	return(base_type);
    }
    else
    {
diff --git a/c++/src/H5DataType.h b/c++/src/H5DataType.h
index 064bfe1..6c8a312 100644
--- a/c++/src/H5DataType.h
+++ b/c++/src/H5DataType.h
@@ -36,6 +36,9 @@ class H5_DLLCPP DataType : public H5Object {
 	// Copy constructor: makes a copy of the original object
 	DataType( const DataType& original );
 
+	// Creates a copy of a predefined type
+	DataType(const PredType& pred_type);
+
 	// Creates a datatype by way of dereference.
 	DataType(const H5Location& loc, const void* ref, H5R_type_t ref_type = H5R_OBJECT, const PropList& plist = PropList::DEFAULT);
 	DataType(const Attribute& attr, const void* ref, H5R_type_t ref_type = H5R_OBJECT, const PropList& plist = PropList::DEFAULT);
@@ -133,6 +136,9 @@ class H5_DLLCPP DataType : public H5Object {
 #endif // DOXYGEN_SHOULD_SKIP_THIS
 
    private:
+	// Friend function to set DataType id.  For library use only.
+	friend void f_DataType_setId(DataType* dtype, hid_t new_id);
+
 	void p_commit(hid_t loc_id, const char* name);
 };
 #ifndef H5_NO_NAMESPACE
diff --git a/c++/src/H5Exception.cpp b/c++/src/H5Exception.cpp
index f153c92..fb1e42e 100644
--- a/c++/src/H5Exception.cpp
+++ b/c++/src/H5Exception.cpp
@@ -35,11 +35,11 @@ Exception::Exception() : detail_message(""), func_name("") {}
 // Function:	Exception overloaded constructor
 ///\brief	Creates an exception with the name of the function,
 ///		in which the failure occurs, and an optional detailed message.
-///\param	func_name - IN: Name of the function where failure occurs
+///\param	func - IN: Name of the function where failure occurs
 ///\param	message   - IN: Message on the failure
 // Programmer	Binh-Minh Ribler - 2000
 //--------------------------------------------------------------------------
-Exception::Exception(const H5std_string& func_name, const H5std_string& message) : detail_message(message), func_name(func_name) {}
+Exception::Exception(const H5std_string& func, const H5std_string& message) : detail_message(message), func_name(func) {}
 
 //--------------------------------------------------------------------------
 // Function:	Exception copy constructor
@@ -350,10 +350,10 @@ FileIException::FileIException():Exception(){}
 // Function:	FileIException overloaded constructor
 ///\brief	Creates a FileIException with the name of the function,
 ///		in which the failure occurs, and an optional detailed message.
-///\param	func_name - IN: Name of the function where failure occurs
+///\param	func - IN: Name of the function where failure occurs
 ///\param	message   - IN: Message on the failure
 //--------------------------------------------------------------------------
-FileIException::FileIException(const H5std_string& func_name, const H5std_string& message) : Exception(func_name, message) {}
+FileIException::FileIException(const H5std_string& func, const H5std_string& message) : Exception(func, message) {}
 //--------------------------------------------------------------------------
 // Function:	FileIException destructor
 ///\brief	Noop destructor.
@@ -373,10 +373,10 @@ GroupIException::GroupIException():Exception(){}
 // Function:	GroupIException overloaded constructor
 ///\brief	Creates a GroupIException with the name of the function,
 ///		in which the failure occurs, and an optional detailed message.
-///\param	func_name - IN: Name of the function where failure occurs
+///\param	func - IN: Name of the function where failure occurs
 ///\param	message   - IN: Message on the failure
 //--------------------------------------------------------------------------
-GroupIException::GroupIException(const H5std_string& func_name, const H5std_string& message) : Exception(func_name, message) {}
+GroupIException::GroupIException(const H5std_string& func, const H5std_string& message) : Exception(func, message) {}
 //--------------------------------------------------------------------------
 // Function:	GroupIException destructor
 ///\brief	Noop destructor.
@@ -396,10 +396,10 @@ DataSpaceIException::DataSpaceIException():Exception(){}
 // Function:	DataSpaceIException overloaded constructor
 ///\brief	Creates a DataSpaceIException with the name of the function,
 ///		in which the failure occurs, and an optional detailed message.
-///\param	func_name - IN: Name of the function where failure occurs
+///\param	func - IN: Name of the function where failure occurs
 ///\param	message   - IN: Message on the failure
 //--------------------------------------------------------------------------
-DataSpaceIException::DataSpaceIException(const H5std_string& func_name, const H5std_string& message) : Exception(func_name, message) {}
+DataSpaceIException::DataSpaceIException(const H5std_string& func, const H5std_string& message) : Exception(func, message) {}
 //--------------------------------------------------------------------------
 // Function:	DataSpaceIException destructor
 ///\brief	Noop destructor.
@@ -419,10 +419,10 @@ DataTypeIException::DataTypeIException():Exception(){}
 // Function:	DataTypeIException overloaded constructor
 ///\brief	Creates a DataTypeIException with the name of the function,
 ///		in which the failure occurs, and an optional detailed message.
-///\param	func_name - IN: Name of the function where failure occurs
+///\param	func - IN: Name of the function where failure occurs
 ///\param	message   - IN: Message on the failure
 //--------------------------------------------------------------------------
-DataTypeIException::DataTypeIException(const H5std_string& func_name, const H5std_string& message) : Exception(func_name, message) {}
+DataTypeIException::DataTypeIException(const H5std_string& func, const H5std_string& message) : Exception(func, message) {}
 //--------------------------------------------------------------------------
 // Function:	DataTypeIException destructor
 ///\brief	Noop destructor.
@@ -442,10 +442,10 @@ PropListIException::PropListIException():Exception(){}
 // Function:	PropListIException overloaded constructor
 ///\brief	Creates a PropListIException with the name of the function,
 ///		in which the failure occurs, and an optional detailed message.
-///\param	func_name - IN: Name of the function where failure occurs
+///\param	func - IN: Name of the function where failure occurs
 ///\param	message   - IN: Message on the failure
 //--------------------------------------------------------------------------
-PropListIException::PropListIException(const H5std_string& func_name, const H5std_string& message) : Exception(func_name, message) {}
+PropListIException::PropListIException(const H5std_string& func, const H5std_string& message) : Exception(func, message) {}
 //--------------------------------------------------------------------------
 // Function:	PropListIException destructor
 ///\brief	Noop destructor.
@@ -465,10 +465,10 @@ DataSetIException::DataSetIException():Exception(){}
 // Function:	DataSetIException overloaded constructor
 ///\brief	Creates a DataSetIException with the name of the function,
 ///		in which the failure occurs, and an optional detailed message.
-///\param	func_name - IN: Name of the function where failure occurs
+///\param	func - IN: Name of the function where failure occurs
 ///\param	message   - IN: Message on the failure
 //--------------------------------------------------------------------------
-DataSetIException::DataSetIException(const H5std_string& func_name, const H5std_string& message) : Exception(func_name, message) {}
+DataSetIException::DataSetIException(const H5std_string& func, const H5std_string& message) : Exception(func, message) {}
 //--------------------------------------------------------------------------
 // Function:	DataSetIException destructor
 ///\brief	Noop destructor.
@@ -488,10 +488,10 @@ AttributeIException::AttributeIException():Exception(){}
 // Function:	AttributeIException overloaded constructor
 ///\brief	Creates an AttributeIException with the name of the function,
 ///		in which the failure occurs, and an optional detailed message.
-///\param	func_name - IN: Name of the function where failure occurs
+///\param	func - IN: Name of the function where failure occurs
 ///\param	message   - IN: Message on the failure
 //--------------------------------------------------------------------------
-AttributeIException::AttributeIException(const H5std_string& func_name, const H5std_string& message) : Exception(func_name, message) {}
+AttributeIException::AttributeIException(const H5std_string& func, const H5std_string& message) : Exception(func, message) {}
 //--------------------------------------------------------------------------
 // Function:	AttributeIException destructor
 ///\brief	Noop destructor.
@@ -511,10 +511,10 @@ ReferenceException::ReferenceException():Exception(){}
 // Function:	ReferenceException overloaded constructor
 ///\brief	Creates a ReferenceException with the name of the function,
 ///		in which the failure occurs, and an optional detailed message.
-///\param	func_name - IN: Name of the function where failure occurs
+///\param	func - IN: Name of the function where failure occurs
 ///\param	message   - IN: Message on the failure
 //--------------------------------------------------------------------------
-ReferenceException::ReferenceException(const H5std_string& func_name, const H5std_string& message) : Exception(func_name, message) {}
+ReferenceException::ReferenceException(const H5std_string& func, const H5std_string& message) : Exception(func, message) {}
 //--------------------------------------------------------------------------
 // Function:	ReferenceException destructor
 ///\brief	Noop destructor.
@@ -534,10 +534,10 @@ LibraryIException::LibraryIException():Exception(){}
 // Function:	LibraryIException overloaded constructor
 ///\brief	Creates a LibraryIException with the name of the function,
 ///		in which the failure occurs, and an optional detailed message.
-///\param	func_name - IN: Name of the function where failure occurs
+///\param	func - IN: Name of the function where failure occurs
 ///\param	message   - IN: Message on the failure
 //--------------------------------------------------------------------------
-LibraryIException::LibraryIException(const H5std_string& func_name, const H5std_string& message) : Exception(func_name, message) {}
+LibraryIException::LibraryIException(const H5std_string& func, const H5std_string& message) : Exception(func, message) {}
 //--------------------------------------------------------------------------
 // Function:	LibraryIException destructor
 ///\brief	Noop destructor.
@@ -557,10 +557,10 @@ LocationException::LocationException():Exception(){}
 // Function:	LocationException overloaded constructor
 ///\brief	Creates a LocationException with the name of the function,
 ///		in which the failure occurs, and an optional detailed message.
-///\param	func_name - IN: Name of the function where failure occurs
+///\param	func - IN: Name of the function where failure occurs
 ///\param	message   - IN: Message on the failure
 //--------------------------------------------------------------------------
-LocationException::LocationException(const H5std_string& func_name, const H5std_string& message) : Exception(func_name, message) {}
+LocationException::LocationException(const H5std_string& func, const H5std_string& message) : Exception(func, message) {}
 //--------------------------------------------------------------------------
 // Function:	LocationException destructor
 ///\brief	Noop destructor.
@@ -580,10 +580,10 @@ IdComponentException::IdComponentException(): Exception() {}
 // Function:	IdComponentException overloaded constructor
 ///\brief	Creates a IdComponentException with the name of the function,
 ///		in which the failure occurs, and an optional detailed message.
-///\param	func_name - IN: Name of the function where failure occurs
+///\param	func - IN: Name of the function where failure occurs
 ///\param	message   - IN: Message on the failure
 //--------------------------------------------------------------------------
-IdComponentException::IdComponentException(const H5std_string& func_name, const H5std_string& message) : Exception(func_name, message) {}
+IdComponentException::IdComponentException(const H5std_string& func, const H5std_string& message) : Exception(func, message) {}
 //--------------------------------------------------------------------------
 // Function:	IdComponentException destructor
 ///\brief	Noop destructor.
diff --git a/c++/src/H5FaccProp.cpp b/c++/src/H5FaccProp.cpp
index 5696742..5ce9d8e 100644
--- a/c++/src/H5FaccProp.cpp
+++ b/c++/src/H5FaccProp.cpp
@@ -40,10 +40,10 @@ FileAccPropList::FileAccPropList() : PropList( H5P_FILE_ACCESS ) {}
 //--------------------------------------------------------------------------
 // Function:	FileAccPropList copy constructor
 ///\brief	Copy Constructor: makes a copy of the original
-///		FileAccPropList object.
+///\param	original - IN: FileAccPropList instance to copy
 // Programmer:	Binh-Minh Ribler - 2000
 //--------------------------------------------------------------------------
-FileAccPropList::FileAccPropList(const FileAccPropList& orig) : PropList(orig) {}
+FileAccPropList::FileAccPropList(const FileAccPropList& original) : PropList(original) {}
 
 //--------------------------------------------------------------------------
 // Function:	FileAccPropList overloaded constructor
@@ -664,6 +664,67 @@ unsigned FileAccPropList::getGcReferences() const
 }
 
 //--------------------------------------------------------------------------
+// Function:	FileAccPropList::setLibverBounds
+///\brief	Sets bounds on versions of library format to be used when creating
+///		or writing objects.
+///\param	libver_low  - IN: Earliest version of the library that will be
+///				  used for creating or writing objects
+///\param	libver_high - IN: Latest version of the library that will be
+///\exception	H5::PropListIException
+///\par Description
+///		Valid values of \a libver_low are as follows:
+///		\li \c H5F_LIBVER_EARLIEST   (Default)
+///		\li \c H5F_LIBVER_18
+///		\li \c H5F_LIBVER_LATEST
+///
+///		Valid values of \a libver_high are as follows:
+///		\li \c H5F_LIBVER_18
+///		\li \c H5F_LIBVER_LATEST   (Default)
+///
+///		For more details, please refer to
+/// http://www.hdfgroup.org/HDF5/doc/RM/RM_H5P.html#Property-SetLibverBounds
+// Programmer:  Binh-Minh Ribler - March, 2015
+//--------------------------------------------------------------------------
+void FileAccPropList::setLibverBounds(H5F_libver_t libver_low, H5F_libver_t libver_high) const
+{
+    herr_t ret_value = H5Pset_libver_bounds(id, libver_low, libver_high);
+    if (ret_value < 0)
+    {
+	throw PropListIException("FileAccPropList::setLibverBounds", "H5Pset_libver_bounds failed");
+    }
+}
+
+//--------------------------------------------------------------------------
+// Function:	FileAccPropList::getLibverBounds
+///\brief	Gets the current settings for the library version format bounds
+///		from a file access property list.
+///\param	libver_low  - OUT: Earliest version of the library that will be
+///				   used for creating or writing objects
+///\param	libver_high - OUT: Latest version of the library that will be
+///				   used for creating or writing objects
+///\exception	H5::PropListIException
+///\par Description
+///		On success, the argument \a libver_low can have the following
+///		values:
+///		\li \c H5F_LIBVER_EARLIEST
+///		\li \c H5F_LIBVER_18
+///		\li \c H5F_LIBVER_LATEST
+///
+///		and \a libver_high:
+///		\li \c H5F_LIBVER_18
+///		\li \c H5F_LIBVER_LATEST
+// Programmer:  Binh-Minh Ribler - March, 2015
+//--------------------------------------------------------------------------
+void FileAccPropList::getLibverBounds(H5F_libver_t& libver_low, H5F_libver_t& libver_high) const
+{
+    herr_t ret_value = H5Pget_libver_bounds(id, &libver_low, &libver_high);
+    if( ret_value < 0 )
+    {
+	throw PropListIException("FileAccPropList::getLibverBounds", "H5Pget_libver_bounds failed");
+    }
+}
+
+//--------------------------------------------------------------------------
 // Function:	FileAccPropList destructor
 ///\brief	Noop destructor
 // Programmer	Binh-Minh Ribler - 2000
diff --git a/c++/src/H5FaccProp.h b/c++/src/H5FaccProp.h
index 861ac4c..fddc446 100644
--- a/c++/src/H5FaccProp.h
+++ b/c++/src/H5FaccProp.h
@@ -126,6 +126,13 @@ class H5_DLLCPP FileAccPropList : public PropList {
 	// Returns garbage collecting references setting.
 	unsigned getGcReferences() const;
 
+	// Sets bounds on versions of library format to be used when creating
+	// or writing objects.
+	void setLibverBounds(H5F_libver_t libver_low, H5F_libver_t libver_high) const;
+
+	// Gets the current settings for the library version format bounds.
+	void getLibverBounds(H5F_libver_t& libver_low, H5F_libver_t& libver_high) const;
+
 	///\brief Returns this class name.
 	virtual H5std_string fromClass () const { return("FileAccPropList"); }
 
diff --git a/c++/src/H5File.cpp b/c++/src/H5File.cpp
index 45e08b2..84e7827 100644
--- a/c++/src/H5File.cpp
+++ b/c++/src/H5File.cpp
@@ -50,7 +50,7 @@ namespace H5 {
 ///\brief	Default constructor: creates a stub H5File object.
 // Programmer	Binh-Minh Ribler - 2000
 //--------------------------------------------------------------------------
-H5File::H5File() : H5Location(), id(H5I_INVALID_HID) {}
+H5File::H5File() : H5Location(), CommonFG(), id(H5I_INVALID_HID) {}
 
 //--------------------------------------------------------------------------
 // Function:	H5File overloaded constructor
@@ -73,9 +73,6 @@ H5File::H5File() : H5Location(), id(H5I_INVALID_HID) {}
 ///					exists, and fail, otherwise
 ///		\li \c H5F_ACC_RDWR - Open file for read/write, if it already
 ///					exists, and fail, otherwise
-///		\li \c H5F_ACC_DEBUG - print debug information. This flag is
-///			used only by HDF5 library developers; it is neither
-///			tested nor supported for use in applications.
 ///\par
 ///		For info on file creation in the case of an already-open file,
 ///		please refer to the \b Special \b case section in the C layer
@@ -86,7 +83,7 @@ H5File::H5File() : H5Location(), id(H5I_INVALID_HID) {}
 //		to catch then re-throw it. -BMR 2013/03/21
 // Programmer	Binh-Minh Ribler - 2000
 //--------------------------------------------------------------------------
-H5File::H5File( const char* name, unsigned int flags, const FileCreatPropList& create_plist, const FileAccPropList& access_plist ) : H5Location(), id(H5I_INVALID_HID)
+H5File::H5File( const char* name, unsigned int flags, const FileCreatPropList& create_plist, const FileAccPropList& access_plist ) : H5Location(), CommonFG(), id(H5I_INVALID_HID)
 {
     try {
 	p_get_file(name, flags, create_plist, access_plist);
@@ -111,7 +108,7 @@ H5File::H5File( const char* name, unsigned int flags, const FileCreatPropList& c
 //		to catch then re-throw it. -BMR 2013/03/21
 // Programmer	Binh-Minh Ribler - 2000
 //--------------------------------------------------------------------------
-H5File::H5File( const H5std_string& name, unsigned int flags, const FileCreatPropList& create_plist, const FileAccPropList& access_plist ) : H5Location(), id(H5I_INVALID_HID)
+H5File::H5File( const H5std_string& name, unsigned int flags, const FileCreatPropList& create_plist, const FileAccPropList& access_plist ) : H5Location(), CommonFG(), id(H5I_INVALID_HID)
 {
     try {
 	p_get_file(name.c_str(), flags, create_plist, access_plist);
@@ -133,38 +130,57 @@ void H5File::p_get_file(const char* name, unsigned int flags, const FileCreatPro
 {
     // These bits only set for creation, so if any of them are set,
     // create the file.
-    if( flags & (H5F_ACC_EXCL|H5F_ACC_TRUNC|H5F_ACC_DEBUG))
+    if( flags & (H5F_ACC_EXCL|H5F_ACC_TRUNC))
     {
-	hid_t create_plist_id = create_plist.getId();
-	hid_t access_plist_id = access_plist.getId();
-	id = H5Fcreate( name, flags, create_plist_id, access_plist_id );
-	if( id < 0 )  // throw an exception when open/create fail
-	{
-	    throw FileIException("H5File constructor", "H5Fcreate failed");
-	}
+        hid_t create_plist_id = create_plist.getId();
+        hid_t access_plist_id = access_plist.getId();
+        id = H5Fcreate( name, flags, create_plist_id, access_plist_id );
+        if( id < 0 )  // throw an exception when open/create fail
+        {
+            throw FileIException("H5File constructor", "H5Fcreate failed");
+        }
     }
     // Open the file if none of the bits above are set.
     else
     {
-	hid_t access_plist_id = access_plist.getId();
-	id = H5Fopen( name, flags, access_plist_id );
-	if( id < 0 )  // throw an exception when open/create fail
-	{
-	    throw FileIException("H5File constructor", "H5Fopen failed");
-	}
+        hid_t access_plist_id = access_plist.getId();
+        id = H5Fopen( name, flags, access_plist_id );
+        if( id < 0 )  // throw an exception when open/create fail
+        {
+            throw FileIException("H5File constructor", "H5Fopen failed");
+        }
     }
 }
 
 #endif // DOXYGEN_SHOULD_SKIP_THIS
 
 //--------------------------------------------------------------------------
+// Function:	H5File overloaded constructor
+///\brief	Creates an H5File object using an existing file id.
+///\param	existing_id - IN: Id of an existing file
+// Programmer	Binh-Minh Ribler - 2015
+// Description
+//	Mar 29, 2015
+//		Added in responding to a request from user Jason Newton.
+//		However, it is not recommended to use the private member "id"
+//		in applications.  Unlike other situations, where similar
+//		constructor is needed by the library in order to return
+//		an object, H5File doesn't need it. -BMR (HDFFV-8766 partially)
+//--------------------------------------------------------------------------
+H5File::H5File(hid_t existing_id) : H5Location(), CommonFG()
+{
+    id = existing_id;
+    incRefCount(); // increment number of references to this id
+}
+
+//--------------------------------------------------------------------------
 // Function:	H5File copy constructor
 ///\brief	Copy constructor: makes a copy of the original
 ///		H5File object.
 ///\param	original - IN: H5File instance to copy
 // Programmer	Binh-Minh Ribler - 2000
 //--------------------------------------------------------------------------
-H5File::H5File(const H5File& original) : H5Location(original)
+H5File::H5File(const H5File& original) : H5Location(), CommonFG()
 {
     id = original.getId();
     incRefCount(); // increment number of references to this id
@@ -225,6 +241,13 @@ bool H5File::isHdf5(const H5std_string& name )
 //--------------------------------------------------------------------------
 void H5File::openFile(const char* name, unsigned int flags, const FileAccPropList& access_plist)
 {
+    try {
+        close();
+    }
+    catch (Exception close_error) {
+        throw FileIException("H5File::openFile", close_error.getDetailMsg());
+    }
+
     hid_t access_plist_id = access_plist.getId();
     id = H5Fopen (name, flags, access_plist_id);
     if (id < 0)  // throw an exception when open fails
@@ -379,25 +402,6 @@ ssize_t H5File::getObjCount(unsigned types) const
 }
 
 //--------------------------------------------------------------------------
-// Function:	H5File::getObjCount
-///\brief	This is an overloaded member function, provided for convenience.
-///		It takes no parameter and returns the object count of all
-///		object types.
-///\return	Number of opened object IDs
-///\exception	H5::FileIException
-// Programmer   Binh-Minh Ribler - May 2004
-//--------------------------------------------------------------------------
-ssize_t H5File::getObjCount() const
-{
-   ssize_t num_objs = H5Fget_obj_count(id, H5F_OBJ_ALL);
-   if( num_objs < 0 )
-   {
-      throw FileIException("H5File::getObjCount", "H5Fget_obj_count failed");
-   }
-   return (num_objs);
-}
-
-//--------------------------------------------------------------------------
 // Function:	H5File::getObjIDs
 ///\brief	Retrieves a list of opened object IDs (files, datasets,
 ///		groups and datatypes) in the same file.
diff --git a/c++/src/H5File.h b/c++/src/H5File.h
index 0ef85b5..939ac8e 100644
--- a/c++/src/H5File.h
+++ b/c++/src/H5File.h
@@ -59,8 +59,7 @@ class H5_DLLCPP H5File : public H5Location, public CommonFG {
 
 	// Returns the number of opened object IDs (files, datasets, groups
 	// and datatypes) in the same file.
-	ssize_t getObjCount(unsigned types) const;
-	ssize_t getObjCount() const;
+	ssize_t getObjCount(unsigned types = H5F_OBJ_ALL) const;
 
 	// Retrieves a list of opened object IDs (files, datasets, groups
 	// and datatypes) in the same file.
@@ -84,6 +83,10 @@ class H5_DLLCPP H5File : public H5Location, public CommonFG {
 	// Gets the file id
 	virtual hid_t getLocId() const;
 
+	// Creates an H5File using an existing file id.  Not recommended
+	// in applications.
+	H5File(hid_t existing_id);
+
 #endif // DOXYGEN_SHOULD_SKIP_THIS
 
 	///\brief Returns this class name.
diff --git a/c++/src/H5Group.cpp b/c++/src/H5Group.cpp
index cad5e29..4d1d61c 100644
--- a/c++/src/H5Group.cpp
+++ b/c++/src/H5Group.cpp
@@ -51,7 +51,7 @@ namespace H5 {
 ///\brief	Default constructor: creates a stub Group.
 // Programmer	Binh-Minh Ribler - 2000
 //--------------------------------------------------------------------------
-Group::Group() : H5Object(), id(H5I_INVALID_HID) {}
+Group::Group() : H5Object(), CommonFG(), id(H5I_INVALID_HID) {}
 
 //--------------------------------------------------------------------------
 // Function:	Group copy constructor
@@ -59,7 +59,7 @@ Group::Group() : H5Object(), id(H5I_INVALID_HID) {}
 ///\param	original - IN: Original group to copy
 // Programmer	Binh-Minh Ribler - 2000
 //--------------------------------------------------------------------------
-Group::Group(const Group& original) : H5Object(original)
+Group::Group(const Group& original) : H5Object(), CommonFG()
 {
     id = original.getId();
     incRefCount(); // increment number of references to this id
@@ -82,9 +82,10 @@ hid_t Group::getLocId() const
 ///\param	existing_id - IN: Id of an existing group
 // Programmer	Binh-Minh Ribler - 2000
 //--------------------------------------------------------------------------
-Group::Group(const hid_t existing_id) : H5Object()
+Group::Group(const hid_t existing_id) : H5Object(), CommonFG()
 {
     id = existing_id;
+    incRefCount(); // increment number of references to this id
 }
 
 //--------------------------------------------------------------------------
@@ -100,7 +101,7 @@ Group::Group(const hid_t existing_id) : H5Object()
 ///		is a datatype that has been named by DataType::commit.
 // Programmer	Binh-Minh Ribler - Oct, 2006
 //--------------------------------------------------------------------------
-Group::Group(const H5Location& loc, const void* ref, H5R_type_t ref_type, const PropList& plist) : H5Object(), id(H5I_INVALID_HID)
+Group::Group(const H5Location& loc, const void* ref, H5R_type_t ref_type, const PropList& plist) : H5Object(), CommonFG(), id(H5I_INVALID_HID)
 {
     id = H5Location::p_dereference(loc.getId(), ref, ref_type, plist, "constructor - by dereference");
 }
@@ -115,7 +116,7 @@ Group::Group(const H5Location& loc, const void* ref, H5R_type_t ref_type, const
 ///\exception	H5::ReferenceException
 // Programmer	Binh-Minh Ribler - Oct, 2006
 //--------------------------------------------------------------------------
-Group::Group(const Attribute& attr, const void* ref, H5R_type_t ref_type, const PropList& plist) : H5Object(), id(H5I_INVALID_HID)
+Group::Group(const Attribute& attr, const void* ref, H5R_type_t ref_type, const PropList& plist) : H5Object(), CommonFG(), id(H5I_INVALID_HID)
 {
     id = H5Location::p_dereference(attr.getId(), ref, ref_type, plist, "constructor - by dereference");
 }
diff --git a/c++/src/H5IdComponent.cpp b/c++/src/H5IdComponent.cpp
index 4a9dcac..c01d41e 100644
--- a/c++/src/H5IdComponent.cpp
+++ b/c++/src/H5IdComponent.cpp
@@ -37,16 +37,33 @@ namespace H5 {
 ///\param	h5_id - IN: Id of an existing object
 ///\exception	H5::DataTypeIException
 // Programmer	Binh-Minh Ribler - 2000
+//
+// *** Deprecation warning ***
+// This constructor is no longer appropriate because the data member "id" had
+// been moved to the sub-classes.  It will be removed in 1.10 release.  If its
+// removal does not raise any problems in 1.10, it will be removed from 1.8 in
+// subsequent releases.
 //--------------------------------------------------------------------------
 IdComponent::IdComponent(const hid_t h5_id) {}
 
+//void IdComponent::p_setId(const hid_t new_id)
+//{
+    //p_setId(new_id);
+//}
+
 //--------------------------------------------------------------------------
 // Function:	IdComponent copy constructor
-///\brief	Copy constructor: makes a copy of the original IdComponent object.
-///\param	original - IN: IdComponent instance to copy
+// Purpose:	This noop copy constructor is removed as a result of the data
+//		member "id" being moved down to sub-classes. (Mar 2015)
+// Parameters:	original - IN: IdComponent instance to copy
 // Programmer	Binh-Minh Ribler - 2000
+//
+// *** Deprecation warning ***
+// This constructor is no longer appropriate because the data member "id" had
+// been moved to the sub-classes.  It is removed from 1.8.15 because it is
+// a noop and it can be generated by the compiler if needed.
 //--------------------------------------------------------------------------
-IdComponent::IdComponent( const IdComponent& original ) {}
+// IdComponent::IdComponent(const IdComponent& original) {}
 
 //--------------------------------------------------------------------------
 // Function:	IdComponent::incRefCount
@@ -82,12 +99,14 @@ void IdComponent::decRefCount(const hid_t obj_id) const
 {
     if (p_valid_id(obj_id))
 	if (H5Idec_ref(obj_id) < 0)
+	{
 	    if (H5Iget_ref(obj_id) <= 0)
 		throw IdComponentException(inMemFunc("decRefCount"),
 					"object ref count is 0 or negative");
 	    else
 		throw IdComponentException(inMemFunc("decRefCount"),
 					"decrementing object ref count failed");
+	}
 }
 
 //--------------------------------------------------------------------------
diff --git a/c++/src/H5IdComponent.h b/c++/src/H5IdComponent.h
index 3208a39..068fb74 100644
--- a/c++/src/H5IdComponent.h
+++ b/c++/src/H5IdComponent.h
@@ -60,11 +60,18 @@ class H5_DLLCPP IdComponent {
 	// Sets the identifier of this object to a new value.
 	void setId(const hid_t new_id);
 
+	// *** Deprecation warning ***
+	// The following two constructors are no longer appropriate after the
+	// data member "id" had been moved to the sub-classes.
+	// The copy constructor is a noop and is removed in 1.8.15 and the
+	// other will be removed from 1.10 release, and then from 1.8 if its
+	// removal does not raise any problems in two 1.10 releases.
+
 	// Creates an object to hold an HDF5 identifier.
 	IdComponent( const hid_t h5_id );
 
 	// Copy constructor: makes copy of the original IdComponent object.
-	IdComponent( const IdComponent& original );
+	// IdComponent( const IdComponent& original );
 
 #ifndef DOXYGEN_SHOULD_SKIP_THIS
 	// Pure virtual function for there are various H5*close for the
@@ -97,6 +104,7 @@ class H5_DLLCPP IdComponent {
 	// Sets the identifier of this object to a new value. - this one
 	// doesn't increment reference count
 	virtual void p_setId(const hid_t new_id) = 0;
+	//virtual void p_setId(const hid_t new_id);
 
 #endif // DOXYGEN_SHOULD_SKIP_THIS
 
diff --git a/c++/src/H5Include.h b/c++/src/H5Include.h
index 87cb182..1e0e952 100644
--- a/c++/src/H5Include.h
+++ b/c++/src/H5Include.h
@@ -28,3 +28,15 @@ typedef int bool;
 const bool  false = 0;
 const bool  true  = 1;
 #endif
+
+// These are defined in H5Opkg.h, which should not be included in the C++ API,
+// so re-define them here for now.
+
+/* Initial version of the object header format */
+#define H5O_VERSION_1	1
+
+/* Revised version - leaves out reserved bytes and alignment padding, and adds
+ *      magic number as prefix and checksum as suffix for all chunks.
+ */
+#define H5O_VERSION_2	2
+
diff --git a/c++/src/H5IntType.h b/c++/src/H5IntType.h
index 95fa642..e28f5c2 100644
--- a/c++/src/H5IntType.h
+++ b/c++/src/H5IntType.h
@@ -24,7 +24,7 @@ namespace H5 {
 //! Class IntType operates on HDF5 integer datatype.
 class H5_DLLCPP IntType : public AtomType {
    public:
-	// Creates a integer type using a predefined type
+	// Creates an integer type using a predefined type
 	IntType(const PredType& pred_type);
 
 	// Gets the integer datatype of the specified dataset
diff --git a/c++/src/H5Location.cpp b/c++/src/H5Location.cpp
index cd733c4..5100e12 100644
--- a/c++/src/H5Location.cpp
+++ b/c++/src/H5Location.cpp
@@ -70,17 +70,28 @@ H5Location::H5Location() : IdComponent() {}
 //		object.
 // Parameters	object_id - IN: Id of an existing HDF5 object
 // Programmer	Binh-Minh Ribler - 2000
+
+// *** Deprecation warning ***
+// This constructor is no longer appropriate because the data member "id" had
+// been moved to the sub-classes.  It will be removed in 1.10 release.  If its
+// removal does not raise any problems in 1.10, it will be removed from 1.8 in
+// subsequent releases.
 //--------------------------------------------------------------------------
-H5Location::H5Location(const hid_t object_id) : IdComponent(object_id) {}
+H5Location::H5Location(const hid_t object_id) : IdComponent() {}
 
 //--------------------------------------------------------------------------
 // Function:	H5Location copy constructor
-///\brief	Copy constructor: makes a copy of the original H5Location
-///		instance.
+// Purpose:	This noop copy constructor is removed as a result of the data
+//		member "id" being moved down to sub-classes. (Mar 2015)
 ///\param	original - IN: H5Location instance to copy
 // Programmer	Binh-Minh Ribler - 2000
+//
+// *** Deprecation warning ***
+// This constructor is no longer appropriate because the data member "id" had
+// been moved to the sub-classes.  It is removed from 1.8.15 because it is
+// a noop and it can be generated by the compiler if needed.
 //--------------------------------------------------------------------------
-H5Location::H5Location( const H5Location& original ) : IdComponent( original ) {}
+// H5Location::H5Location(const H5Location& original) : IdComponent() {}
 
 #endif // DOXYGEN_SHOULD_SKIP_THIS
 
@@ -115,8 +126,9 @@ Attribute H5Location::createAttribute( const char* name, const DataType& data_ty
    // If the attribute id is valid, create and return the Attribute object
    if( attr_id > 0 )
    {
-      Attribute attr( attr_id );
-      return( attr );
+	Attribute attr;
+	f_Attribute_setId(&attr, attr_id);
+	return( attr );
    }
    else
       throw AttributeIException(inMemFunc("createAttribute"), "H5Acreate2 failed");
@@ -147,8 +159,9 @@ Attribute H5Location::openAttribute( const char* name ) const
    hid_t attr_id = H5Aopen(getId(), name, H5P_DEFAULT);
    if( attr_id > 0 )
    {
-      Attribute attr( attr_id );
-      return( attr );
+	Attribute attr;
+	f_Attribute_setId(&attr, attr_id);
+	return( attr );
    }
    else
    {
@@ -182,12 +195,13 @@ Attribute H5Location::openAttribute( const unsigned int idx ) const
 			H5_ITER_INC, (hsize_t)idx, H5P_DEFAULT, H5P_DEFAULT);
    if( attr_id > 0 )
    {
-      Attribute attr( attr_id );
-      return( attr );
+	Attribute attr;
+	f_Attribute_setId(&attr, attr_id);
+	return(attr);
    }
    else
    {
-      throw AttributeIException(inMemFunc("openAttribute"), "H5Aopen_by_idx failed");
+	throw AttributeIException(inMemFunc("openAttribute"), "H5Aopen_by_idx failed");
    }
 }
 
@@ -893,6 +907,12 @@ H5O_type_t H5Location::p_get_ref_obj_type(void *ref, H5R_type_t ref_type) const
 ///\return	DataSpace object
 ///\exception	H5::ReferenceException
 // Programmer	Binh-Minh Ribler - May, 2004
+// Modification
+//	Mar 29, 2015
+//		Used friend function to set id for DataSpace instead of the
+//		existing id constructor or the setId method to avoid incrementing
+//		ref count, as a work-around for a problem described in the JIRA
+//		issue HDFFV-7947. -BMR
 //--------------------------------------------------------------------------
 DataSpace H5Location::getRegion(void *ref, H5R_type_t ref_type) const
 {
@@ -902,8 +922,9 @@ DataSpace H5Location::getRegion(void *ref, H5R_type_t ref_type) const
       throw ReferenceException(inMemFunc("getRegion"), "H5Rget_region failed");
    }
    try {
-      DataSpace dataspace(space_id);
-      return(dataspace);
+	DataSpace dataspace;
+	f_DataSpace_setId(&dataspace, space_id);
+	return(dataspace);
    }
    catch (DataSpaceIException E) {
       throw ReferenceException(inMemFunc("getRegion"), E.getDetailMsg());
@@ -918,6 +939,36 @@ DataSpace H5Location::getRegion(void *ref, H5R_type_t ref_type) const
 //--------------------------------------------------------------------------
 H5Location::~H5Location() {}
 
+//--------------------------------------------------------------------------
+// Function:	f_Attribute_setId - friend
+// Purpose:	This function is friend to class H5::Attribute so that it
+//		can set Attribute::id in order to work around a problem
+//		described in the JIRA issue HDFFV-7947.
+//		Applications shouldn't need to use it.
+// param	attr   - IN/OUT: Attribute object to be changed
+// param	new_id - IN: New id to set
+// Programmer	Binh-Minh Ribler - 2015
+//--------------------------------------------------------------------------
+void f_Attribute_setId(Attribute* attr, hid_t new_id)
+{
+    attr->id = new_id;
+}
+
+//--------------------------------------------------------------------------
+// Function:	f_DataSpace_setId - friend
+// Purpose:	This function is friend to class H5::DataSpace so that it can
+//		can set DataSpace::id in order to work around a problem
+//		described in the JIRA issue HDFFV-7947.
+//		Applications shouldn't need to use it.
+// param	dspace   - IN/OUT: DataSpace object to be changed
+// param	new_id - IN: New id to set
+// Programmer	Binh-Minh Ribler - 2015
+//--------------------------------------------------------------------------
+void f_DataSpace_setId(DataSpace* dspace, hid_t new_id)
+{
+    dspace->id = new_id;
+}
+
 #endif // DOXYGEN_SHOULD_SKIP_THIS
 
 #ifndef H5_NO_NAMESPACE
diff --git a/c++/src/H5Location.h b/c++/src/H5Location.h
index e015825..79a8d5c 100644
--- a/c++/src/H5Location.h
+++ b/c++/src/H5Location.h
@@ -138,13 +138,21 @@ class H5_DLLCPP H5Location : public IdComponent {
 	// Default constructor
 	H5Location();
 
+#ifndef DOXYGEN_SHOULD_SKIP_THIS
+
+	// *** Deprecation warning ***
+	// The following two constructors are no longer appropriate after the
+	// data member "id" had been moved to the sub-classes.
+	// The copy constructor is a noop and is removed in 1.8.15 and the
+	// other will be removed from 1.10 release, and then from 1.8 if its
+	// removal does not raise any problems in two 1.10 releases.
+
 	// Creates a copy of an existing object giving the location id.
 	H5Location(const hid_t loc_id);
 
 	// Copy constructor.
-	H5Location(const H5Location& original);
+	// H5Location(const H5Location& original);
 
-#ifndef DOXYGEN_SHOULD_SKIP_THIS
 	// Creates a reference to an HDF5 object or a dataset region.
 	void p_reference(void* ref, const char* name, hid_t space_id, H5R_type_t ref_type) const;
 
@@ -159,6 +167,10 @@ class H5_DLLCPP H5Location : public IdComponent {
 	// Retrieves the type of object that an object reference points to.
 	H5O_type_t p_get_ref_obj_type(void *ref, H5R_type_t ref_type) const;
 
+        // Sets the identifier of this object to a new value. - this one
+        // doesn't increment reference count
+        virtual void p_setId(const hid_t new_id) = 0;
+
 #endif // DOXYGEN_SHOULD_SKIP_THIS
 
 	// Noop destructor.
diff --git a/c++/src/H5Object.cpp b/c++/src/H5Object.cpp
index 94b03ab..df3f565 100644
--- a/c++/src/H5Object.cpp
+++ b/c++/src/H5Object.cpp
@@ -50,8 +50,26 @@ H5Object::H5Object() : H5Location() {}
 // 		object.
 // Parameters	object_id - IN: Id of an existing HDF5 object
 // Programmer	Binh-Minh Ribler - 2000
+// *** Deprecation warning ***
+// This constructor is no longer appropriate because the data member "id" had
+// been moved to the sub-classes.  It will be removed in 1.10 release.  If its
+// removal does not raise any problems in 1.10, it will be removed from 1.8 in
+// subsequent releases.
 //--------------------------------------------------------------------------
-H5Object::H5Object( const hid_t object_id ) : H5Location( object_id ) {}
+H5Object::H5Object(const hid_t object_id) : H5Location() {}
+
+//--------------------------------------------------------------------------
+// Function:	H5Object copy constructor
+///\brief	Copy constructor: makes a copy of the original H5Object
+///		instance.
+///\param	original - IN: H5Object instance to copy
+// Programmer	Binh-Minh Ribler - 2000
+// *** Deprecation warning ***
+// This constructor is no longer appropriate because the data member "id" had
+// been moved to the sub-classes.  It is removed from 1.8.15 because it is
+// a noop and it can be generated by the compiler if needed.
+//--------------------------------------------------------------------------
+// H5Object::H5Object(const H5Object& original) : H5Location() {}
 
 //--------------------------------------------------------------------------
 // Function:    getObjName
@@ -165,15 +183,6 @@ ssize_t H5Object::getObjName(H5std_string& obj_name, size_t len) const
 }
 
 //--------------------------------------------------------------------------
-// Function:	H5Object copy constructor
-///\brief	Copy constructor: makes a copy of the original H5Object
-///		instance.
-///\param	original - IN: H5Object instance to copy
-// Programmer	Binh-Minh Ribler - 2000
-//--------------------------------------------------------------------------
-H5Object::H5Object( const H5Object& original ) : H5Location( original ) {}
-
-//--------------------------------------------------------------------------
 // Function:	H5Object destructor
 ///\brief	Noop destructor.
 // Programmer	Binh-Minh Ribler - 2000
diff --git a/c++/src/H5Object.h b/c++/src/H5Object.h
index 5576d13..f8ac792 100644
--- a/c++/src/H5Object.h
+++ b/c++/src/H5Object.h
@@ -47,9 +47,6 @@ namespace H5 {
 class H5_DLLCPP H5Object : public H5Location {
    public:
 #ifndef DOXYGEN_SHOULD_SKIP_THIS
-	// Copy constructor: makes copy of an H5Object object.
-	H5Object(const H5Object& original);
-
 	// Gets the name of this HDF5 object, i.e., Group, DataSet, or
 	// DataType.
 	ssize_t getObjName(char *obj_name, size_t buf_size = 0) const;
@@ -63,9 +60,19 @@ class H5_DLLCPP H5Object : public H5Location {
 	// Default constructor
 	H5Object();
 
+        // *** Deprecation warning ***
+        // The following two constructors are no longer appropriate after the
+        // data member "id" had been moved to the sub-classes.
+        // The copy constructor is a noop and is removed in 1.8.15 and the
+        // other will be removed from 1.10 release, and then from 1.8 if its
+        // removal does not raise any problems in two 1.10 releases.
+
 	// Creates a copy of an existing object giving the object id
 	H5Object( const hid_t object_id );
 
+	// Copy constructor: makes copy of an H5Object object.
+	// H5Object(const H5Object& original);
+
 #endif // DOXYGEN_SHOULD_SKIP_THIS
 
 }; /* end class H5Object */
diff --git a/c++/src/H5PropList.cpp b/c++/src/H5PropList.cpp
index 5afe80f..70ec629 100644
--- a/c++/src/H5PropList.cpp
+++ b/c++/src/H5PropList.cpp
@@ -54,7 +54,7 @@ PropList::PropList() : IdComponent(), id(H5P_DEFAULT) {}
 ///\param	original - IN: The original property list to copy
 // Programmer	Binh-Minh Ribler - 2000
 //--------------------------------------------------------------------------
-PropList::PropList(const PropList& original) : IdComponent(original)
+PropList::PropList(const PropList& original) : IdComponent()
 {
     id = original.getId();
     incRefCount(); // increment number of references to this id
@@ -258,6 +258,7 @@ void PropList::p_setId(const hid_t new_id)
    // reset object's id to the given id
    id = new_id;
 }
+
 #endif // DOXYGEN_SHOULD_SKIP_THIS
 
 //--------------------------------------------------------------------------
diff --git a/c++/src/H5VarLenType.h b/c++/src/H5VarLenType.h
index 40c597f..672b3db 100644
--- a/c++/src/H5VarLenType.h
+++ b/c++/src/H5VarLenType.h
@@ -40,7 +40,6 @@ class H5_DLLCPP VarLenType : public DataType {
 	// Noop destructor
 	virtual ~VarLenType();
 
-   protected:
 	// Default constructor
 	VarLenType();
 };
diff --git a/c++/src/cpp_doc_config b/c++/src/cpp_doc_config
index f2caed2..4072c1b 100644
--- a/c++/src/cpp_doc_config
+++ b/c++/src/cpp_doc_config
@@ -38,7 +38,7 @@ PROJECT_NAME           = "HDF5 C++ API"
 # could be handy for archiving the generated documentation or if some version
 # control system is used.
 
-PROJECT_NUMBER         = 1.8.13
+PROJECT_NUMBER         = HDF5 version 1.9.218 currently under development
 
 # Using the PROJECT_BRIEF tag one can provide an optional one line description
 # for a project that appears at the top of each page and should give viewer a