On 30 Jun 2021, at 00:44, noel.hunt@gmail.com wrote: The source file in question is 'gcalloc.c' and it seems to be in sam source as late as 10th Edition. From a perusal of research source, it seems to have been used in jim, sam, pads, mux amongst others. Right, thank you for that - forgot sources were available via list. Will examine closely Silas ------------------------------------------ 9fans: 9fans Permalink: https://9fans.topicbox.com/groups/9fans/Tf83e4250af593565-M282bbf82ea9329be71eff119 Delivery options: https://9fans.topicbox.com/groups/9fans/subscription