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From: Sebastian Gniazdowski <sgniazdowski@gmail.com>
Date: Wed, 7 Nov 2018 20:19:15 +0100
Message-ID: <CAKc7PVApxGVqo8pcMsrHMjbV4-p1Z31XPg4vOjLMSWEAJLhYxQ@mail.gmail.com>
Subject: Re: [BUG?] If true-color is used, overlapping colors do not work
To: Zsh hackers list <zsh-workers@zsh.org>
Content-Type: text/plain; charset="UTF-8"

I was testing on Linux, via docker. $termcap[Co] shows 8, the same
$terminfo[colors]. The zsh/nearcolor fails and maybe it could fail a
little better?
    ....
    -0m38;5;232mtrue39m
    +0m30mtrue39m
    ...
    Was testing: basic region_highlight with near-color (hex-triplets at input)

Color 30 is apparently black. Maybe zsh/nearcolor could use (compare
against) first 8 or 16 colors when $termcap[Co] <= 8?