#!/usr/bin/env nomsu -V4.10.12.7
#
    This file defines upgrades from Nomsu <4.9 to 4.9
use "compatibility/compatibility.nom"

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upgrade action "if" to "4.9" via (..)
    [%tree, %end_version] ->:
        if ((size of %tree) > 2): return %tree
        return \(when %tree.2)