:returns: :class:`Message` or `None` if no message is found.
:raises:
:exc:`OutOfMemoryError`
- If an Out-of-memory occured while constructing the message.
+ If an Out-of-memory occurred while constructing the message.
:exc:`XapianError`
In case of a Xapian Exception. These exceptions
include "Database modified" situations, e.g. when the
function returns None if no message is found with the given
filename.
- :raises: :exc:`OutOfMemoryError` if an Out-of-memory occured while
+ :raises: :exc:`OutOfMemoryError` if an Out-of-memory occurred while
constructing the message.
:raises: :exc:`XapianError` in case of a Xapian Exception.
These exceptions include "Database modified"