expected highlights for e.g.: symbols like here:  but on the semanticscholar.org/reader this functionality is not there for paper e.g.: https://www.semanticscholar.org/reader/060ff1aad5619a7d6d6cdfaf8be5da29bff3808c <img width="467" alt="image" src="https://github.com/allenai/scholarphi/assets/103381497/d1e366a0-14b8-4dad-bbc4-a89afc2a0168">