Re: [PATCH] Support 24-bit terminal colors.

[Eli Zaretskii]

> Cc: address@hidden, address@hidden
> From: Rami Ylimäki <address@hidden>
> Date: Sun, 4 Sep 2016 19:44:56 +0300
> 
> On 04.09.2016 17:18, Eli Zaretskii wrote:
> >> From: Yuri Khan <address@hidden>
> >> Date: Sun, 4 Sep 2016 14:11:22 +0600
> >> Cc: Eli Zaretskii <address@hidden>, Rami Ylimäki <address@hidden>,
> >>    Emacs developers <address@hidden>
> >>
> >> The spec says parameters for the SGR 38 and 48 codes are delimited by
> >> colons, but many terminals accept semicolons.
> > Do all of them also accept colons?  If they do, I think we should use
> > colons.  (The patch used semicolons.)
> >
> 
> According to https://gist.github.com/XVilka/8346728, semicolon separator 
> is supported by (almost?) all 24-bit terminals, whereas some 24-bit 
> terminals don't support colon. I'd use semicolon separator to support as 
> many terminals as possible.

It isn't clear to me how authoritative is that URL.

I wonder if we should allow the delimiter character to be controlled
by some option.  Although supporting options that are needed so early
in the startup process could be tricky.