TERMINALS: add some kmscon details

TERMINALS.md

@@ -72,7 +72,7 @@ relies on the font. Patches to correct/complete this table are very welcome!
 | [Guake](https://github.com/Guake/guake)           |                    |  ?    |?       |                                   | |
 | [ITerm2](https://github.com/gnachman/iTerm2)      | ✅  |  ✅   |✅    |`TERM=xterm-256color`  ||
 | [Kitty](https://github.com/kovidgoyal/kitty)      | ✅  |  ✅   |✅    |`TERM=xterm-kitty`                 | See below. |
-| [kmscon](https://github.com/dvdhrm/kmscon)        | |  ?    |?       |`TERM=xterm-256color`              | No RGB color AFAICT, nor any distinct terminfo entry. |
+| [kmscon](https://github.com/dvdhrm/kmscon)        | | ❌    | ❌      |`TERM=xterm-256color`              | No RGB color AFAICT, nor any distinct terminfo entry. No actual `ccc` implementation. |
 | [Konsole](https://invent.kde.org/utilities/konsole) | ❌       |  ❌   |?       |`TERM=konsole-direct`              | |
 | Linux console   | ❌                 |  ✅   |see [below](#the-linux-console) |`TERM=linux` `COLORTERM=24bit`   | 8 (512 glyph fonts) or 16 (256 glyph fonts) colors max, but RGB values are downsampled to a 256-index palette. See below. |
 | [mlterm](https://github.com/arakiken/mlterm)          | ✅                 |  ❌   |?       |`TERM=mlterm-256color`           | Do not set `COLORTERM`. `mlterm-direct` gives strange results. |