On 2012-10-27 22:44 (GMT+0100) Lisi Reisz composed:
As to the original question why you can't change the default: it's FOSS. Either it disappeared or got hidden by accident and no one noticed, or no one ever got around to providing the option in the first place. Be thankful you have Trinity and KMail3 instead of being stuck with an unsupported old version, KDE4, or something worse. :-)
What are the two blank lines for in your interpretation?
What blank lines? What "interpretation"?
Why should it be easier to interleave starting from the top than from the bottom?
I can't imagine myself doing it upside down, but I should think similarly as for reading[1]:
Because it breaks the logical typical sequence of formulating a response, start to finish, instead of upside down or back to front.
Naturally anyone can start anywhere they please in any competent email composition window, but people do tend to start things at the beginning more often than at the end or in the middle, making top a quite logical default even if the many clueless take as an inducement to start composing without doing any culling, or even thinking, about what they are doing or where they are.
[1] A: Because it breaks the logical sequence of the discussion. Q: Why is top-posting such a bad thing? A: Top-posting. Q: What is the most annoying thing on usenet and in e-mail?