On Tue, Jul 03, 2018 at 09:48:17PM +0000, David L Chopp wrote:
> Hi,
> 
> I’ve run into an annoyance when using ssh to access a ubuntu system.  When
> using vi or vim, the screen doesn’t refresh properly when paging
> forward/backward using ctrl-f/ctrl-b.  What happens is I get a union of
> non-space characters between the old page and the new page.  So if a
> character is a space on the first page and in that location a non-space
> character is on the second page, then the non-space character is written.  If
> the second page has a space, then it doesn’t replace whatever was on the
> screen from the first page.  On the other hand, if I scroll one line at a
> time, it works correctly (just annoying if I’m trying to go through a large
> file).  Any ideas how to fix this?  I’m using XQuartz 2.7.11.  Odd thing is,
> it only does it on my macs with 10.13, my laptop that still has 10.12 does
> not have this problem.

offhand, it looks like an encoding problem: Ubuntu's setup for UTF-8
encoding and the default configuration for xterm is ISO-8859-1.
You should be able to use the "uxterm" script (which sets the encoding).

-- 
Thomas E. Dickey <[email protected]>
https://invisible-island.net
ftp://ftp.invisible-island.net

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