fix possible infinite highlight
fix possible infinite highlight

highlightjs will actually wrap non-token prefix class spans which we will try to remove during optimize which will trigger a rehighlight if caching on HTML

sferoze/quilljs,willrowe/quill,quilljs/quill,willrowe/quill,voxmedia/quill,sferoze/quilljs,voxmedia/quill,willrowe/quill,sferoze/quilljs,voxmedia/quill,quilljs/quill,sferoze/quilljs,quilljs/quill