URL: <https://savannah.gnu.org/bugs/?68536>
Summary: [grotty] recognize `GROTTY_THEME` supporting "light"
and "dark" values
Group: GNU roff
Submitter: gbranden
Submitted: Fri 17 Jul 2026 07:34:50 PM UTC
Category: Driver grotty
Severity: 1 - Wish
Item Group: Feature change
Status: None
Privacy: Public
Assigned to: None
Open/Closed: Open
Discussion Lock: Unlocked
Planned Release: None
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Follow-up Comments:
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Date: Fri 17 Jul 2026 07:34:50 PM UTC By: G. Branden Robinson <gbranden>
...and configure the eight named ISO 6429 colors for good contrast
accordingly.
There is no portable way to query a terminal about its color scheme, so this
is the best way I can think of to achieve this. People can stick the
environment variable definition in their shell startup files, as most people
tend to prefer either a very dark (near `#000000`) or very light (near
`#ffffff`) terminal background.
Even if they use multiple terminal emulators with different defaults--consider
_xterm_(1) vs. _gnome-terminal_(1)--they can write a shell `case` statement or
equivalent to govern different `GROTTY_THEME` assignments.
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