epics-base/documentation/new-notes/PR-655.md

Records calc, calcout and sub extended

The record types calc, calcout and sub have been extended from 12 inputs A-L to 21 inputs A-U. The macro CALCPERFORM_NARGS reflects this change. The new inputs can be used in calc links and access security as well. The size of CALC and OCAL fields have been doubled to 160 chars.