Bidi paragraph direction in terminal emulators
Eli Zaretskii via Unicode
unicode at unicode.org
Sat Feb 9 02:10:56 CST 2019
> From: Elias Mårtenson <lokedhs at gmail.com>
> Date: Sat, 9 Feb 2019 13:33:49 +0800
> Cc: Egmont Koblinger <egmont at gmail.com>, unicode <unicode at unicode.org>
> 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.
That's not indicative enough when some version of a terminal starts to
support a feature not supported by previous versions of the same
terminal. Happens a lot with terminal emulators such as xterm, which
are under active development, and add features all the time.
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