pdcontainer and gfsm in Pd-extended 0.43.4 both seem to be somewhat or fully broken. I think if they remain broken, they should probably be removed. You can see the the full log of 'load_every_help' here (this was run on Mac OS X, they might work on other platforms):
http://autobuild.puredata.info/auto-build/2012-12-21/logs/load_every_help_dh...
loading: /Applications/Pd-0.43.4-extended-20121219.app/Contents/Resources/extra/pdcontainer/h_deque-help.pd h_priority_queue error: ... couldn't create
loading: /Applications/Pd-0.43.4-extended-20121219.app/Contents/Resources/extra/moocow/gfsm-help.pd gfsm_alphabet error: ... couldn't create gfsm_automaton error: ... couldn't create gfsm_state error: ... couldn't create gfsm_automaton $1-fsm error: ... couldn't create gfsm_alphabet $1-alph error: ... couldn't create gfsm_alphabet $1-alph error: ... couldn't create gfsm_automaton $1-fsm error: ... couldn't create gfsm_alphabet $1-alph error: ... couldn't create gfsm_state $1-fsm error: ... couldn't create gfsm_automaton $1-fsm error: ... couldn't create verbose(4): Copyright (c) 1999-2012 IOhannes m zmölnig, forum::für::umläute & IEM gfsm_alphabet $1-alph error: ... couldn't create gfsm_alphabet $1-alph error: ... couldn't create gfsm_alphabet $1-alph error: ... couldn't create gfsm_state $1-fsm 0 error: ... couldn't create error: /Applications/Pd-0.43.4-extended-20121219.app/Contents/Resources/extra/moocow/gfsm.pd_darwin: dlopen(/Applications/Pd-0.43.4-extended-20121219.app/Contents/Resources/extra/moocow/gfsm.pd_darwin, 10): Symbol not found: _getdelim Referenced from: /Applications/Pd-0.43.4-extended-20121219.app/Contents/Resources/extra/moocow/gfsm.pd_darwin Expected in: flat namespace gfsm error: ... couldn't create