Users want to strikethrough text and associate a comment with the strikethrough.
Yes! This is needed!
Yes indeed, this has been used frequently by some instructors.
This is a simple way of indicating disagreement or errors when marking. It would be a nice feature to add.
I disagree that strikethrough would make a nice feature. From a learner standpoint, I find it offensive and unhelpful. If there's anything that shouldn't be there, the instructor should, instead, highlight and suggest deletion with reasoning. You really need to wear several hats and more importantly the learner's hat before deciding something like this. Thank you!
Yes, this is needed and important to help show students words or phrases that should be removed.
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