aux/workflow/style.css: Customize <pre> and <code> tag colors for dark mode•••I had to change the "@media(prefers-color-scheme: black)" block to the
end of the file, because otherwise the "pre { background-color: #222; }"
inside the block would get overriden by the
"pre { background-color: #ddd; }" below.
aux/workflow/TODOs.sh: Remove dependency on Perl•••I've replaced the Perl usage for doing regexes with plain sed.
Implements #task-bf65e50a-b424-9fce-ba8e-fcd6b3bf1c7a.
Also:
- README.md: remove Perl from the list of tools required;
- po/LC_MESSAGES/README.en.md/*.po: translate the update on required
tools;
- aux/guix/manifest.scm: remove Perl package.