Configuring the Trace Operations
By default, only important events are logged. You can configure the trace operations to be logged by including the following statements at the [edit system scripts op traceoptions] hierarchy level:
[edit system scripts op traceoptions]flag {all;events;input;offline;output;rpc;xslt;}Table 16 describes the meaning of the op script tracing flags.
Trace the Extensible Stylesheet Language Transformations (XSLT) library.