Fixes #8075

While we already error out on unknown options, non-options left over
after parsing were not treated the same.

Fixes: #8074

Error out when supplying multiple argv, either with multiple -e
options, or with one -e and a --.

Fixes #8072

Dark white and bright black are now neutral grayscale colors.

#8066 (comment 2054083)

#8066 (comment 2055987)

This partially reverts commit 3bb4fbcc.

#8066 (comment 2055987)

#8066

... instead of relying on finding it on the system.

Fixes: #8046

Copied from prompt.

vte#2681

Andy Brody authored Feb 08, 2024 and Egmont Koblinger committed Feb 09, 2024

Fixes #8054

#8053 (comment 2004031)

#8053 (comment 2004031)

zalnars authored Feb 08, 2024 and Egmont Koblinger committed Feb 08, 2024

Fixes #8053

Fixes #8051

Fixes #7999

Aurimas Černius authored Feb 05, 2024 and Administrator committed Feb 05, 2024

(cherry picked from commit 78d29738)

Leônidas Araújo authored Jan 16, 2024 and Administrator committed Jan 16, 2024

(cherry picked from commit 078dddf9)

... instead of connecting to every profile directly.

... instead of a find dialogue.

Most code copied from prompt.

Taken from prompt@5afa4f94921797badd93d69ccebb299391630a0d (prompt#55).

Not decided yet whether this will stay a visible pref, or become
dconf-only.

... and headerbar button to show the overview.  Some code copied from
Prompt.

... using the new vte API.