Bug 66094 IAE / Some copy operations don't pick up all of the collapsed regions
New feature to collapse regions of Java source - very nice. The way I copy between files is to position the cursor to the start of the file, use Ctrl+Shift+End to select all of the text between cursor and EOF, or sometimes Shift+Arrow keys to highlight a selected region. After this use Ctrl+C to copy into the clipboard. The collapsed regions are not included. Using Edit>Select All to select the file's contents does work, but holding down the shift key and using the keyboard arrows or Ctrl+End to traverse the selection cursor over collapsed regions doesn't pick up the collapsed bits.
org.eclipse.jdt.ui/ui/org/eclipse/jdt/internal/ui/javaeditor/JavaEditor.java
if (text == null || text.isDisposed())
				return;
			
			
			int offset= 0;
			int length= 0;
			if (viewer instanceof ITextViewerExtension5) {
				ITextViewerExtension5 extension= (ITextViewerExtension5) viewer;
				IRegion widgetRange= extension.modelRange2WidgetRange(region);
				if (widgetRange == null)
					return;
					
				offset= widgetRange.getOffset();
				length= widgetRange.getLength();
				
			} else {
				offset= region.getOffset() - viewer.getVisibleRegion().getOffset();
				length= region.getLength();
			}
			text.redrawRange(offset, length, false);
			
			
			fActiveRegion= region;
			if (viewer instanceof ITextViewerExtension2)
				((ITextViewerExtension2) viewer).invalidateTextPresentation(region.getOffset(), region.getLength());
			else
				viewer.invalidateTextPresentation();
		}
		
		private void activateCursor(ISourceViewer viewer) {