My Emacs configuration https://git.cjennings.net/dotemacs/atom?h=main 2026-06-30T21:42:21+00:00 2026-06-30T21:42:21+00:00 Craig Jennings c@cjennings.net 2026-06-30T21:42:21+00:00 urn:sha1:610fe106ad07ecc603c5c8badb11d38ce62c4c9c A timer tick that fired while a calendar's previous fetch was still running launched a second concurrent sync for that calendar, wasting work and racing to write the same org file. The dispatcher now skips a calendar whose status is already syncing and logs the skipped tick. The sentinel resets the status on process exit, so the skip clears on its own. load-state also clears a stale syncing status left by a crash, so a calendar can't be skipped forever.