Bug 60414 Should generate IMarker if editor doesn't provide AnnotationModel
To be backward compatible with existing multi page editors we should generate temporary search markers if the text editor doesn't support Annotation models.
org.eclipse.jdt.ui/ui/org/eclipse/jdt/internal/ui/search/JavaSearchPage.java
return null;
		int searchFor= UNKNOWN;
		int limitTo= UNKNOWN;
		String pattern= null; 
		switch (element.getElementType()) {
			case IJavaElement.PACKAGE_FRAGMENT:
				searchFor= PACKAGE;
				limitTo= REFERENCES;
				pattern= element.getElementName();
				break;
			case IJavaElement.PACKAGE_FRAGMENT_ROOT:
				searchFor= PACKAGE;
				limitTo= REFERENCES;
				pattern= element.getElementName();
				break;
			case IJavaElement.PACKAGE_DECLARATION:
				searchFor= PACKAGE;
				limitTo= REFERENCES;
				pattern= element.getElementName();
				break;
			case IJavaElement.IMPORT_DECLARATION:
				pattern= element.getElementName();
				IImportDeclaration declaration= (IImportDeclaration)element;
				if (declaration.isOnDemand()) {
					searchFor= PACKAGE;
					int index= pattern.lastIndexOf('.');
					pattern= pattern.substring(0, index);
				} else {
					searchFor= TYPE;
				}