Backported PyCapsule from 3.1, and converted most uses of
CObject to PyCapsule.
diff --git a/PC/VS7.1/pythoncore.vcproj b/PC/VS7.1/pythoncore.vcproj
index 98c260f..3ed5b8e 100644
--- a/PC/VS7.1/pythoncore.vcproj
+++ b/PC/VS7.1/pythoncore.vcproj
@@ -461,6 +461,9 @@
 			RelativePath="..\..\Objects\bytes_methods.c">
 		</File>
 		<File
+			RelativePath="..\..\Objects\capsule.c">
+		</File>
+		<File
 			RelativePath="..\..\Objects\cellobject.c">
 		</File>
 		<File
diff --git a/PC/VS8.0/pythoncore.vcproj b/PC/VS8.0/pythoncore.vcproj
index 31c7992..ba8b626 100644
--- a/PC/VS8.0/pythoncore.vcproj
+++ b/PC/VS8.0/pythoncore.vcproj
@@ -855,6 +855,10 @@
 				>
 			</File>
 			<File
+				RelativePath="..\..\Include\pycapsule.h"
+				>
+			</File>
+			<File
 				RelativePath="..\..\Include\pyctype.h"
 				>
 			</File>
@@ -1419,6 +1423,10 @@
 				>
 			</File>
 			<File
+				RelativePath="..\..\Objects\capsule.c"
+				>
+			</File>
+			<File
 				RelativePath="..\..\Objects\cellobject.c"
 				>
 			</File>
diff --git a/PC/os2emx/python27.def b/PC/os2emx/python27.def
index d1c38dc..5477cd2 100644
--- a/PC/os2emx/python27.def
+++ b/PC/os2emx/python27.def
@@ -210,6 +210,19 @@
   "PyInstance_Type"
   "PyMethod_Type"
 
+; From python27_s.lib(capsule)
+  "PyCapsule_GetContext"
+  "PyCapsule_GetDestructor"
+  "PyCapsule_GetName"
+  "PyCapsule_GetPointer"
+  "PyCapsule_Import"
+  "PyCapsule_IsValid"
+  "PyCapsule_New"
+  "PyCapsule_SetContext"
+  "PyCapsule_SetDestructor"
+  "PyCapsule_SetName"
+  "PyCapsule_SetPointer"
+
 ; From python27_s.lib(cobject)
   "PyCObject_FromVoidPtr"
   "PyCObject_FromVoidPtrAndDesc"
diff --git a/PC/os2vacpp/python.def b/PC/os2vacpp/python.def
index e8064f3..76d56cd 100644
--- a/PC/os2vacpp/python.def
+++ b/PC/os2vacpp/python.def
@@ -6,6 +6,7 @@
 EXPORTS
                ; Data
                PyCFunction_Type
+               PyCapsule_Type
                PyCObject_Type
                PyClass_Type
                PyCode_Type
@@ -75,6 +76,7 @@
                _Py_TrueStruct
                _Py_ZeroStruct
                _Py_abstract_hack
+               _Py_capsule_hack
                _Py_cobject_hack
                _Py_re_syntax
                _Py_re_syntax_table
@@ -89,6 +91,17 @@
                PyCFunction_GetFunction
                PyCFunction_GetSelf
                PyCFunction_New
+               PyCapsule_GetContext
+               PyCapsule_GetDestructor
+               PyCapsule_GetName
+               PyCapsule_GetPointer
+               PyCapsule_Import
+               PyCapsule_IsValid
+               PyCapsule_New
+               PyCapsule_SetContext
+               PyCapsule_SetDestructor
+               PyCapsule_SetName
+               PyCapsule_SetPointer
                PyCObject_AsVoidPtr
                PyCObject_FromVoidPtrAndDesc
                PyCObject_FromVoidPtr