The set of bug-report formats is stored in the REPORTFMT table.  The
CONCEALED table stores a mapping of SHA1 hashes back to email addresses which
are the contact information for bug reports.  Both tables are part of the
private state of a repository and are thus not synced with the "sync",
"push", "pull", or "clone" commands.

Nevertheless, there should be a mechanism for users with the correct
privileges to "push" or "pull" the REPORTFMT and CONCEALED table information
from one repository to another.