Deprecate export_entire_form_as_url_vars and replace occurrences, add a new -formvars flag to export vars to implement the behavior of the proc, that is, export a subset of the variables coming from the current request
Give people the chance to use OpenACS with WithDeprecatedCode set to 0
When OpenACS is configured with loading of deprecated procs deactivated, files like deprecated-procs.tcl are not loaded. Therefore, these files should only contain code, which was deprecated at LEAST ONE RELEASE EARLIER, such that site admins have one release time to fix calls to deprecated code.
This change reverts in part Antonio's commit from 26 Aug 2022 which causes errors like the following on openacs.org:
Error in include template "/var/www/openacs.org/packages/news/lib/news": invalid command name "ad_parameter_all_values_as_list"