Open the API to allow extension of DocxTranscription
We need to be able to extend org.eclipse.papyrus.model2doc.docx.internal.transcription.DocxTranscription.
With this access, also need to access to DocxTranscriptionan#document (of type CustomXWPFDocument) and to call methods from org.eclipse.papyrus.model2doc.docx.internal.util.TextUtils (which is currently internal).
Edited by Vincent Lorenzo