ppkarwasz opened a new issue, #4237:
URL: https://github.com/apache/logging-log4j2/issues/4237
The class javadoc of `org.apache.log4j.layout.Log4j1SyslogLayout` lists an
`escapeNL` attribute ("Pattern to use for replacing newlines"). This is a
copy-paste artifact from the javadoc of `o.a.l.l.core.layout.SyslogLayout`. No
such attribute exists on `Log4j1SyslogLayout`, its builder exposes no way to
set one, and `toSerializable()` performs no newline handling at all.
The result is that an operator reading the documentation believes a
mitigation is available and configurable when it is not.
**Proposed change:** remove the `escapeNL` entry from the javadoc. While
there, review the rest of the attribute list for further attributes inherited
from `SyslogLayout`'s javadoc that the class does not actually implement.
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