To address Peter's question about "hyphens", we have added a sentence to the OPTABLE column description as follows:
A dash between levels indicates a range of consecutive levels, first to last, and a level with a trailing dash indicates that the instruction has been available since that level and is still current. Here is the link to the column description topic: https://www.ibm.com/docs/en/hla-and-tf/1.6?topic=instructions-about-supported-table Jonathan Scott, HLASM IBM Hursley, UK
