I'm not able to update, I get the following. I've tried several
likely passwords, no success. This is coincident with losing the
capability to sync, "Invalid output from server"

ktenney@nalbert:~/src/zotero$ svn up
Authentication realm: <https://www.zotero.org:443>; Zotero Dev
Password for 'ktenney':
Authentication realm: <https://www.zotero.org:443>; Zotero Dev
Username: ktenney
Password for 'ktenney':
...