bug#43615: 26.3; eshell: face for directory and symlink the same in terminal

[Eli Zaretskii]

> From: ams@gnu.org (Alfred M. Szmidt)
> CC: eliz@gnu.org, 43615@debbugs.gnu.org
> Date: Sat, 26 Sep 2020 05:45:13 -0400
> 
>    Perhaps the other 8 colors are just dim variants, or similar.  What is
>    the output of the infocmp command?
> 
> #     Reconstructed via infocmp from file: /usr/share/terminfo/w/wsvt25
> wsvt25|NetBSD wscons in 25 line DEC VT220 mode,
>       am, bce, mc5i, mir, msgr, xenl, xon,
>       colors#8, cols#80, it#8, lines#25, ncv#2, pairs#64, vt#3,

AFAIU, this says 8 colors.  And "ncv#2" AFAIU says we cannot use
colors with underline, but can use it with bold and dim.  So maybe
using bold will allow us to double the number of colors.