# HG changeset patch # User wenzelm # Date 1635804794 -3600 # Node ID cd674ebf6cac34bc8ba4c877433097bd01aabb25 # Parent b67d1d72516b8b7a4b6572b4f07fe4b52181406c tuned; diff -r b67d1d72516b -r cd674ebf6cac NEWS --- a/NEWS Mon Nov 01 22:37:22 2021 +0100 +++ b/NEWS Mon Nov 01 23:13:14 2021 +0100 @@ -511,8 +511,8 @@ used in Isabelle2021. Further changes to Poly/ML are documented here: http://lists.inf.ed.ac.uk/pipermail/polyml/2021-May/002451.html -* Perl is no longer required by Isabelle proper, and longer provided by -specific Isabelle execution environments (Docker, Cygwin on Windows). +* Perl is no longer required by Isabelle proper, and no longer provided +by specific Isabelle execution environments (Docker, Cygwin on Windows). Minor INCOMPATIBILITY, add-on applications involving perl need to provide it by different means. (Note that proper Isabelle systems programming works via Scala/Java, without perl, python, ruby etc.).