- brace expressions - favor tcl-compilable string comparisons - replace deprecated "ad_get_user_id" by "ad_conn user_id" - replace deprecated "export_url_vars" by "export_vars" - replace deprecated "export_form_vars" by "export_vars" - replace deprecated "philg_quote_double_quotes" "by ad_quotehtml" - replace deprecated "ad_parameter" by "parameter::get" - replace deprecated "ad_require_permission" by "permission::require_permission" - use $$ quoting in postgres SQL - use named parameters for SQL functions - provide compatility with pg9 - fix/complete define_function_args - bumped version number to 5.8.0