html - Where do these spans come from? -

html - Where do these spans come from? <span class="goog_qs-tidbit goog_qs-tidbit-0"> -

we reluctantly used blackboard give test , several students have answers loads of html formatting. can imagine writing answers in word , copy/pasting answers adds formatting. see span tag: <span class="goog_qs-tidbit goog_qs-tidbit-0"> few times. thought might come google search haven't been able find on google or on site copied from. know uses these spans?

playing digital sleuth fun pretty depressing. note students-- when copy/paste internet, know.

try open page in incognito mode in chrome (ctrl+shift+n) , should works good. plugins create error

html google-search plagiarism-detection blackboard