bug#24124: emacs terminal escape command error

[Eli Zaretskii]

[Please keep the bug address on the CC list.]

> From: modem <modem@member.fsf.org>
> Date: Tue, 2 Aug 2016 11:47:55 +0200
> 
> Thanks you for your advises.
> 
> My terminfo: "echo $TERM" return "screen". Is that it ?

Probably.

> I recompiled emacs after commenting a few optimization in src/cm.c (cmgoto).
> Unfortunately I can still reproduce the bug with this binary.
> 
> I am attaching you the patch I did.

I think you disabled the wrong code.  What you need is force Emacs to
always do this:

      if (cost <= relcost)
        {       /* really is cheaper */
          emacs_tputs (tty, p, 1, cmputc);
          curY (tty) = row, curX (tty) = col;
          return;
        }