Joseph Wright

This is what the hooks mechanism is for ...

> A secondary issue is that I did not see in latexbug any option to tell it to accept without raising an error the packages which are part of the...

If you need ordering of material in hooks, you need to use the hook rules to request a particular sort.

Not really sure what is wanted here: we covered the updates in `ltnews`, etc.

> I [responded to the mailing list on 2025-04-30](https://www.mail-archive.com/[email protected]/msg03321.html) but there was no response over the past month. This means that we'll need to figure out how to include expl3...

> > What has never been clear to me is if the data are already available in LuaTeX: Lua itself doesn't really 'do' Unicode, and the LuaTeX docs don't give...

> @josephwright Would you like me to look into which version of Unicode is supported by the Selene Unicode library that is bundled with LuaTeX? I'm not really fussed -...

Note that most of the load time for `expl3` is reading the Unicode files - in Lua(Meta)TeX that could likely be made a lot faster if the data were stored...

I’m going to move this to the latex3 repo; it a feature request for the new case changes

It's already at least partly covered: ```latex \documentclass{article} \usepackage{polyglossia} \setmainlanguage{english} \setotherlanguage{german} \pagestyle{headings} \NewExpandableDocumentCommand\textgermancase{om}{#2} \DeclareCaseChangeEquivalent\textgerman{\textgermancase} \begin{document} \section{\textgerman[variant=Austrian]{Servus}} \end{document} ``` but we have not provided a fully-flexible mechanism to pick up arbitrary...