[Feature request] Mark a single article as Read or Flagged in Unified style

[belkadan]

Coming from Safari, Unified is my preferred reading style. However, not being able to mark single articles as Read or Flagged is a real disadvantage -- sometimes I want to come back to a specific article in a feed, but not any of the others.

One way to solve this problem would be to add a special kind of link to themes for "Mark as Read" (or "Toggle Read"). Another way would be to treat article headers as special somehow (either a custom CSS class or just autodetection on the contents) and add custom right-click options when you click on an article header. I'm sure there are other possibilities as well.

[barijaona]

Ideally, the chosen solution should apply to all commands currently seen in the "Article" menu.