http://stackoverflow.com/questions/9998202/first-steps-after-activating-ecb-first-time
Debugger entered--Lisp error: (void-variable senator-tag-ring)
(ring-empty-p senator-tag-ring)
(not (ring-empty-p senator-tag-ring))
redisplay_internal\ \(C\ function\)()
message("ECB %s uses CEDET %s (contains semantic %s, eieio %s, speedbar %s)." "2.40" "2.0" "2.2" "1.4" "")
byte-code("\306\307!\210\306\310!\210\306\311!\210\306\312!\210 \203$
Debugger entered--Lisp error: (void-variable senator-tag-ring)
(ring-empty-p senator-tag-ring)
(not (ring-empty-p senator-tag-ring))
redisplay_internal\ \(C\ function\)()
message("ECB %s uses CEDET %s (contains semantic %s, eieio %s, speedbar %s)." "2.40" "2.0" "2.2" "1.4" "
byte-code("\306\307!\210\306\310!\210\306\311!\210\306\312!\210 \203$