Bidi paragraph direction in terminal emulators

Elias Mårtenson via Unicode unicode at
Fri Feb 8 23:33:49 CST 2019

On Wed, 6 Feb 2019, 00:09 Eli Zaretskii via Unicode <unicode at

> Moreover, emitting the control sequences that set the mode is in
> itself a complication, because if the terminal doesn't support them,
> the result could be corrupted display.  You will need methods of
> detecting the support, and those detection methods usually involve
> sending another control sequence to the terminal and waiting for
> response, something that complicates applications and causes delays in
> displaying output.

That's what the TERM environment variable is for though.

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