The renderer is used to convert the m_message object into a string only
if it is not already a string.
We could remove the early test for string, this could then be done by
the default renderer allowing it to be customised by the user. However
the performance gain of doing the early test benefits
I doubt many users need to customize how string messages are rendered.
Regarding this line:
else if (m_repository != null)
When will a repository be null? The second line in log4net's internal
log always seems to be:
log4net: DefaultRepositorySelector: defaultRepositoryType
I doubt many users need to customize how string messages are
rendered.
It is not a feature that is often requested. But it exists and we
support it.
Adding a custom renderer to the log4net configuration has another
disadvantage in that it leads to a tighter coupling between the
