> On May 16, 2020, at 11:06 AM, Johnny Billquist <b...@softjar.se> wrote:
> 
> Sounds like your problem is that TPU thinks your terminal understands 8-bit 
> control characters, while it actually doesn't.

If VMS is like RSTS, there is an "8 bit characters" setting but no separate 
8-bit controls setting, and presumably programs assume the former implies the 
latter.  After all, it does with DEC's terminals.

> Ctrl+Left click should show a menu entry "8-bit controls", which is the 
> corresponding thing on the xterm side.
> 
> However, to properly answer your question, we'd need to know a lot more about 
> your environment. And it's a bit hard to even ask the right questions here, 
> because xterm is so flexible that you can accomplish a lot of stuff in 
> multiple ways, and you might not even know what you are doing... And VMS 
> tries to figure out what your terminal is, and depending on various details, 
> xterm will identify in different ways, which is what VMS then base its 
> settings on...

As Johnny also pointed out, be sure not to have xterm set for UTF-8.  Not just 
because of 8-bit controls, but also because DEC applications are unlikely to 
know about it; they normally assume DEC MCS (a.k.a., DEC Std 169).  Latin-1 is 
a good approximation though not identical.

        paul


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