Manually apply https://github.com/baudinseb/docx4j/commit/cd0aa1ae8ddf4f6786af78d80b162068b176b54d
Manually merge https://github.com/baudinseb/docx4j/commit/ecc8b8536b03abcc6391214236ced04fc3d3d672
Refactored NEXT support (used for labels) into separate class