mintty

For the records: Under the assumption that the shell assumes the smiley to be only 1 cell wide (as explained above), the screen shots show correct behaviour. Not a terminal...

By default, mintty applies character width strictly following the "locale" set before starting mintty. Thus character width properties are determined by the system, not mintty. There is no multitude of...

Only if enabled by the respective escape sequence, see https://github.com/mintty/mintty/wiki/CtrlSeqs#wide-characters.

To assess this issue and whether it's a bug at all (see comments above), please describe your environment: which system version (`uname -a`), which shell and version (e.g. `echo $BASH_VERSION`)...

You must have configured something unusual or you must be doing something strange. Which you didn't describe, by the way, so a reproducible test case is missing. Look at this:...

Maybe we should also check your .inputrc and your locale, also your libreadline version. If the interacting application does not handle double-width properly, as e.g. `cat` does, you can indeed...

I wasn't sure about the precise key sequence that you're entering. This shows that exact descriptions are highly preferable over images or videos. I can now in fact reproduce the...

I don't know how to manipulate the final dialog box from the install.bat script. But maybe the .bat will be replaced by a dash-based installation script anyway (to solve the...

Apart from the wrong info, it's quite normal that installers don't work while the application is running.

No, but maybe the [`mintheme` script](https://github.com/mintty/mintty/wiki/Tips#using-colour-schemes-themes) supports your use case.