Change Details

[[ https://fr.wikipedia.org/w/index.php?title=Wikip%C3%A9dia:Flow/Bugs&diff=0&oldid=115537352#Ajout_d.27une_fonctionnalit.C3.A9_.C2.AB.C2.A0Vu.C2.A0.C2.BB_ou_.C2.AB.C2.A0Lu.C2.A0.C2.BB | A suggestion from frwp ]]: sometimes you don't know is someone has seen the message you left or the answer you've made. Is it possible to have a feature which creates a button "seen" who add a public mark: "Trizek has seen this message".