Systemwide config is not respected for theme for manpage

[rieje]

What steps will reproduce the bug?

1. Systemwide config file at /etc/bat/config has contents:
   --theme="Solarized (dark)". No user config at ~/.config/bat/config.
2. Open terminal instance, this theme is not applied for man ls . However, theme does apply for bat ~/bin/script.
3. Create ~/.config/bat/config with same contents as /etc/bat/config. man ls now also shows theme applying to man page.
   ...

What did you expect to happen instead?

Systemwide config should be respected and its settings take effect as long as there are no settings in user config that override it (in my case, I didn't even have user config)
...

How did you install bat?

Arch Linux, pacman -Syu.

bat version and environment

bat 0.25.0 (v0.25.0-modified) on zsh.

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Unrelated: Do all themes support man page highlighting? I installed tokyonight theme but it doesn't change man page highlighting--only when paging and other normal usage.