"L PENDING" message is being issued when looking at Librarian files
Release : 6.0
Component : Roscoe Interactive Environment
It means that a Roscoe library member is being held by Roscoe in the background. It is still attached but not active.
To reattach it type: ATTACH LIB *
You can issue a D L to detach it or A L * to go back to the lib facility where it was last left. You may see D or J or S PENDING for job facility, and split screen pending.