- version-pred VER #!optional IDX AMTprocedure
Return copy of VER with the target element at or before IDX replaced by the AMT predecessor.
- VER
- semantic-version ; version to adjust.
- IDX
- fixnum ; which element to adjust, default is (sub1 (version-depth VER)).
- AMT
- fixnum ; amount to adjust, default is 1.
Only integer elements may be targets. See Notes..