1.0.2 updates (#10)

* Namespace update

Add "s" prefix in diagramns that refer to the slice extension.
Added a paragrapsh about the "s" prefix in conventions.

* Prepare for publication

3MF Slice Extension.md

@@ -12,7 +12,7 @@
 
 
 
-| **Version** | 1.0.1 |
+| **Version** | 1.0.2 |
 | --- | --- |
 | **Status** | Published |
 
@@ -62,6 +62,8 @@ This extension MUST be used only with Core specification 1.x.
 
 See [the 3MF Core Specification conventions](https://github.com/3MFConsortium/spec_core/blob/master/3MF%20Core%20Specification.md#document-conventions).
 
+In this extension specification, as an example, the prefix "s" maps to the xml-namespace "http://schemas.microsoft.com/3dmanufacturing/slice/2015/07". See Appendix [C.3 Namespaces](#c3-namespaces).
+
 ## Language Notes
 
 See [the 3MF Core Specification language notes](https://github.com/3MFConsortium/spec_core/blob/master/3MF%20Core%20Specification.md#language-notes).
@@ -237,6 +239,8 @@ In order to reference slice data, there are two additional attributes for \<obje
 
 A 3MF package containing "lowres" objects MUST list the slice extension in the requiredextensions property of the model section (see [chapter 1](https://github.com/3MFConsortium/spec_slice/blob/master/3MF%20Slice%20Extension.md#chapter-1-introduction)).
 
+The slicestack MIGHT be defined on a components object providing a slicestack for the combined components or on a referenced object. When the slicestack is defined in both types of objects, the slicestack that prevails MUST be the one at the components level.
+
 ## Slicestack
 
 Element **\<slicestack>**