return fragment.getCompletionProposals(
subOffset - fragment.getOffset(), offset, parentClass,
fragments, getViewer(), context, getResource(),
getResource().getProject());
} else if (getContents().length() == 0 && subOffset == 0) {
return new NullFragment().getCompletionProposals(subOffset, offset,
null, fragments, getViewer(), context, getResource(),
getResource().getProject());
} else
return null;
}