- Make sure that patch
  http://cvs.openacs.org/browse/OpenACS/openacs-4/packages/acs-kernel/sql/postgresql/apm-create.sql?r2=1.74&r1=1.73
  is applied for sites upgrading (use v_parameter_id and not get_value__parameter_id)
- use doc(title) instead of title
- provide hint that one should use the tcl-builtin command "lassign" instead of "util_unlist"