incorrect text mode graphic character display

Brian Inglis
Thu May 7 21:52:06 GMT 2020

On 2020-05-07 15:09, wrote:
> On Thu, 7 May 2020 20:19:29 +0000
> André Bleau via Cygwin <> wrote:
>> Brian D wrote:
>>> Assuming Julia is a not Cygwin program,
>>> you can try "CYGWIN=disable_pcon" before any Cygwin process  
>> Did not help.
>> Thanks for that though, I had no idea those kind of env variables were available.

>> Character display problems do not depend only on the program you run, in 
>> your case, "Julia", whatever that is, but also in which terminal or console
>> you run it, as it is the terminal that does the actual character display.
>> If you run in in mintty for example, you could try:
>> CYGWIN=disable_pcon /usr/bin/mintty
>> and run Julia in the just opened mintty. 
>> I just happened to have a similar issue. If interested, look at:
> Julia is a programming language and what i've shown is the REPL for it.
> I tried precisely what you showed there and it makes no difference at all.
> I get the exact same display.
> Humorously, it displays just fine in a windows cmd terminal.

As that env var is interpreted by the main Cygwin process cygwin1.dll, which has
to be unloaded and reloaded, I'd set CYGWIN=disable_pcon in the System
environment, then shut down all Cygwin processes, as you would before running
setup, log off, and log on.

Take care. Thanks, Brian Inglis, Calgary, Alberta, Canada

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