[OT] Between the lines of the previous post.

[Richmond]

Which is better:

1. To reply to a message by prefacing it with the new text?

2. To reply to a message by writing after it?

3. To comment intertextually so that comments sit next to
      the parts of the previous message they are directly relevant to?

I favour #3, because, like comments in code/scripting it is easy for a 
reader to see to what
a comment refers.

However . . .