Bug 577122 - Javadoc first line is not copied

Usage of widgetSelection2ModelSelection is mandatory to handle complex
ProjectionAnnotation/ProjectionPositions cases

Change-Id: I71271fcd22f0b9ae8464a8ffef5690bc17f8fb81
Reviewed-on: https://git.eclipse.org/r/c/platform/eclipse.platform.text/+/190679
Tested-by: Mickael Istria <mistria@redhat.com>
Reviewed-by: Mickael Istria <mistria@redhat.com>
3 files changed