Messages between ports: MSG, the inbox, and the screen guarantee mvx#228.
Sessions have a port, and LISTU shows who is on mvx#226.
mvx-basic -g0 and -s, and NODEBUG / STRIP on BASIC and CATALOG mvx#223.
Docs: BUILD-MAP PROGRESS indicator for large backfills
TCL: DESCRIBE/EXPLAIN can go right after the verb
Import documentation from the mvx repo Migrate the mdBook pages (docs/src) into the wiki: every chapter as a top-level page, the introduction as Home, a _Sidebar for navigation, and inter-page links rewritten to wiki page names.