Module names are, I believe, a superset of identifiers, where '.' is
allowed between the parts that correspond to the identifier fragment.

I will add details. That header file names are not identifiers is an
interesting compatibility issue.

As currently proposed, I am restricting syntax elements to the basic source
character set. That might make sense for headers (not header files), but
expressing that constraint might be complicated. I doubt anyone will insist
on a header with characters outside the basic set soon.

On Sun, Jan 12, 2020, 21:39 Alisdair Meredith <alisdairm_at_[hidden]> wrote:

> Minor suggestion: call out where identifiers are used
> (class/variable/function names etc.) and a couple of examples where they
> are not (header names, raw string prefix/suffix, etc.). In particular -
> would this apply to module names?
>
> AlisdairM
>
> Sent from my iPhone
>
> On Jan 13, 2020, at 1:36 AM, Steve Downey via SG16 <sg16_at_[hidden]>
> wrote:
>
> 
> Current draft of "C++ Identifier Syntax using Unicode Standard Annex 31"
> https://github.com/steve-downey/papers/blob/master/D1949R1.md
> <https://slack-redir.net/link?url=https%3A%2F%2Fgithub.com%2Fsteve-downey%2Fpapers%2Fblob%2Fmaster%2FD1949R1.md>
> Final format will by html, produced by MPark's wg21 tool. Expanded
> discussion of everything, added explicit character lists, added authors,
> per last telecon.
> --
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>
>