Been  thinking  a lot about switching to st[1] lately. Showstopper: No
 scrolling. Hmm.

 They recommend using GNU screen or tmux. I don't know if this  is  the
 right   approach.   I'd  be  replacing  XTerm's  complexity  with  the
 complexity of screen or tmux. tmux has about 28'000 lines  of  code...
 Plus,  using a terminal multiplexer is very annoying and a duplication
 of effort: The multiplexer has to deal with escape sequences and then,
 after that, the terminal itself has to do the same. That's not good.

 I'd really love to see scrolling functionality in st.

 Another  problem:  I  have  to deal with a lot of old systems. Systems
 that know nothing about st and never will, e.g. FreeBSD 5.4. I'd  have
 to be faking "TERM=xterm-256color" or something like that. Meh.

 I guess I won't get rid of XTerm any time soon.

 Or  I  could  be using st most of the time and XTerm just when needed.
 That might work -- if st had scrolling.

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 1. http://st.suckless.org/