deletion mark in a sentence

1. Will he hit the 100, 000 deletions mark?
2. I suggest to remove the deletion mark by now and putting an effort in adding further sources.
3. If wikipedia users will start marking every article they dislike for deletion, then soon every hot topic will be marked with deletion marks and counter deletion marks.
4. If wikipedia users will start marking every article they dislike for deletion, then soon every hot topic will be marked with deletion marks and counter deletion marks.
5. *I have actually added quite a lot of details and references from other researchers in the community since we started editing the page ( and after the deletion mark was put on the page ).
6. It's difficult to find deletion mark in a sentence.