/lib/udev/rules.d/60-lcdproc.rules is in lcdproc 0.5.9-2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1
KERNEL=="lcd[0-9]*" , ATTRS{idVendor}=="15c2" , SYMLINK+="lcd-imon"