Lean4
/-- `whatsnew in $command` executes the command and then prints the
declarations that were added to the environment. -/
@[command_parser 1000]
public meta def commandWhatsnewIn__ : Lean.ParserDescr✝ :=
ParserDescr.node✝ `Mathlib.WhatsNew.commandWhatsnewIn__ 1022
(ParserDescr.binary✝ `andthen
(ParserDescr.binary✝ `andthen
(ParserDescr.binary✝ `andthen (ParserDescr.symbol✝ "whatsnew ") (ParserDescr.symbol✝ "in"))
(ParserDescr.unary✝ `group (ParserDescr.const✝ `ppLine)))
(ParserDescr.cat✝ `command 0))