Fix bug by expanding permissible data input of search_var_instance_decl_c
(this will also prepare us for removing search_varfb_instance_type_c in the future)
IEC 61131-3 Annex F Examples (informative)This directory contains example code take from:Annex F of Draft 2nd edition of the IEC 61131-3 standard (1998)"PROGRAMMABLE CONTROLLERS - PROGRAMMING LANGUAGES"