Number: 2073 Date: 6-Sep-84 09':38':46 Submitter: Masinter Source: Burton Subject: (ARG n 2) where n=1 returns garbage in compiled code Assigned To: Attn: Masinter Status: Open In/By: Problem Type: Bug Impact: Annoying Difficulty: Easy Frequency: Everytime Priority: Unlikely System: Language Support Subsystem: Compiler, Code Format Machine: Disk: Lisp Version: 5-Sep-84 16':37':47 Source Files: Microcode Version: Memory Size: File Server: Server Software Version: Disposition: Description: ' Date': 23 Aug. 1982 9':07 am PDT (Monday)' From': burton.pa' Subject': argn' To': Masinter' ' You mentioned that (ARG n 2) returns something beside NIL if only 1 argument has been passed in. I think this is a bug in ARG which conflicts with the fact that unprovided arguments default to NIL and needs to be fixed even at the cost of some efficiency. Workaround: Test Case: Edit-By: Edit-Date: