This issue is a followup of https://github.com/monitoring-plugins/monitoring-plugins/issues/2114. --- The [2.6. Performance data section of the docs](https://www.monitoring-plugins.org/doc/guidelines.html#AEN197) states that "value[s] may be a literal 'U'". This is missing here.
This issue is a followup of monitoring-plugins/monitoring-plugins#2114.
The 2.6. Performance data section of the docs states that "value[s] may be a literal 'U'". This is missing here.