Bug 119331 Library - name space terminology and behavior
During BIRT 2.0 library feature review meeting the following change was decided. - Change the term namespace to 'prefix' - By default use the library name as the prefix ( namespace ); the dialog to input prefix should be prompted only if hte auto generated prefix is not unique.
UI/org.eclipse.birt.report.designer.ui/src/org/eclipse/birt/report/designer/internal/ui/util/UIUtil.java
{
					IEditorPart editor = pg.getActiveEditor( );
					if ( editor != null
							&& editor.getEditorInput( ) instanceof IReportEditorInput )
					{
						if ( editor instanceof AbstractMultiPageLayoutEditor )
						{
							return (AbstractMultiPageLayoutEditor) editor;
						}
					}
				}
			}
			else
			{
				IWorkbenchPage[] pgs = window.getPages( );
				for ( int i = 0; i < pgs.length; i++ )
				{
					IWorkbenchPage pg = pgs[i];
					if ( pg != null )
					{
						IEditorPart editor = pg.getActiveEditor( );
						if ( editor != null
								&& editor.getEditorInput( ) instanceof IReportEditorInput )
						{
							if ( editor instanceof AbstractMultiPageLayoutEditor )
							{
								return (AbstractMultiPageLayoutEditor) editor;
							}
						}
					}