Reminder: MathML meeting on Thursday

 The regulars for this group should have the meeting details in their
calendars. For everyone else, the details can be found on the members-only
W3C Math WG calendar
<https://www.w3.org/events/meetings/d6f2b73d-34fc-4276-b164-bdc62a675dcc/20230713T130000/>
.

The good news is that we are running out of open issues. The bad news is
that we have a lot of spec and polyfill writing to do... Maybe this will be
a short meeting and some time we get spent writing...

Agenda
1. Announcements/Updates/Progress reports
2. Progress on spec-writing?
3.  #449: Intent Properties: ordering & references
<https://github.com/w3c/mathml/issues/449> (progress during the week?)
4. #523 Missing property to indicate needed grouping?
<https://github.com/w3c/mathml/issues/523>