Encoding italic

[Richard Wordingham via Unicode]

On Fri, 8 Feb 2019 22:29:57 +0100
Egmont Koblinger via Unicode <unicode at unicode.org> wrote:

> Some terminal emulators have made up some new SGR modes, e.g. ESC[4:3m
> for curly underline. What to do with them? Where to draw the line what
> to add to Unicode and what not to? Will Unicode possibly be a
> bottleneck of further improvements in terminal emulators, because from
> now on every new mode we figure out we'd like to have in terminals
> should go through some Unicode committee? And what if Unicode wants to
> have a mode that terminal emulators aren't interested in, who will
> assign numbers to them that don't clash with terminals? Who will
> somehow keep the two worlds in sync?

Escape sequences are outside the scope of Unicode.  They are part of a
higher level protocol (TUS 23.1 'Control codes').

Richard.