I had not realized there were languages where angled quotations pointed inwards towards the quoted content. I wonder if there are legitimate cases (e.g. a Frenc

I had not realized there were languages where angled quotations pointed inwards towards the quoted content. I wonder if there are legitimate cases (e.g. a French style guide discussing German punctuation?) of an outward-pointing angled quotation-mark language quoting an inward-pointing angled quotation-mark language or vice versa where it's ambiguous where a quote ends?