Reminder: MathML Full meeting on Thursday

 The zoom meeting details have changed. It is now a "w3c.zoom.us" link. The
regulars in the group should have the updated details in their calendars.
For everyone else, the new details can be found on the members-only W3C
Math WG calendar
<https://www.w3.org/events/meetings/d6f2b73d-34fc-4276-b164-bdc62a675dcc/20230713T130000/>.


Agenda
1. Announcements/Updates/Progress reports
2. TPAC:
   a) Register at https://www.w3.org/2023/09/TPAC/registration.html (there
is a box you can click that says you want a fee waiver -- it is automatic)
   b) Agenda for TPAC -- still waiting for more ideas
3. Progress/discussion on core concepts
<https://w3c.github.io/mathml-docs/intent-core-concepts/>/core properties
<https://w3c.github.io/mathml-docs/intent-core-properties/> lists
   a) core concepts of one-letter-symbols (472)
<https://github.com/w3c/mathml/issues/472>
   b) derivatives -- differing notations with similar semantics (473)
<https://github.com/w3c/mathml/issues/473>