~bzr-pqm/bzr/bzr.dev

Expand comment about lock_read/lock_write.

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# then raise TransportNotPossible, which will break remote access to any

# formats which rely on OS-level locks. That should be fine as those formats

# are pretty old, but these combinations may have to be removed from the test

# suite.

# suite. Those formats all date back to 0.7; so we should be able to remove

# these methods when we officially drop support for those formats.

import errno

import os