--- a/Admin/Windows/Cygwin/README Wed Jan 15 20:11:28 2020 +0100
+++ b/Admin/Windows/Cygwin/README Thu Jan 16 14:07:28 2020 +0100
@@ -17,6 +17,7 @@
- http://isabelle.in.tum.de/cygwin_2017 (Isabelle2017)
- https://isabelle.sketis.net/cygwin_2018 (Isabelle2018)
- https://isabelle.sketis.net/cygwin_2019 (Isabelle2019)
+ - https://isabelle.sketis.net/cygwin_2020 (Isabelle2020)
* Apache2 redirects for virtual host isabelle.conf:
```
@@ -40,6 +41,8 @@
Redirect /cygwin_2019/x86/release https://ftp.eq.uc.pt/software/pc/prog/cygwin/x86/release
Redirect /cygwin_2019/x86_64/release https://ftp.eq.uc.pt/software/pc/prog/cygwin/x86_64/release
Redirect /cygwin_2019/noarch/release https://ftp.eq.uc.pt/software/pc/prog/cygwin/noarch/release
+ Redirect /cygwin_2020/x86_64/release https://ftp.eq.uc.pt/software/pc/prog/cygwin/x86_64/release
+ Redirect /cygwin_2020/noarch/release https://ftp.eq.uc.pt/software/pc/prog/cygwin/noarch/release
```
* Quasi-component: "isabelle build_cygwin" (as Administrator)