# HG changeset patch
# User wenzelm
# Date 1610981195 -3600
# Node ID c9a836122739cfc54a08fc193a7f5331e083fce7
# Parent  bdc8cd6f5e6e6987ae9ad4070261e3d0e3bc74dd
updated for release;

diff -r bdc8cd6f5e6e -r c9a836122739 src/Doc/JEdit/JEdit.thy
--- a/src/Doc/JEdit/JEdit.thy	Mon Jan 18 15:22:17 2021 +0100
+++ b/src/Doc/JEdit/JEdit.thy	Mon Jan 18 15:46:35 2021 +0100
@@ -305,7 +305,7 @@
 
   The \<^verbatim>\<open>-n\<close> option reports the server name, and the \<^verbatim>\<open>-s\<close> option provides a
   different server name. The default server name is the official distribution
-  name (e.g.\ \<^verbatim>\<open>Isabelle2020\<close>). Thus @{tool jedit_client} can connect to the
+  name (e.g.\ \<^verbatim>\<open>Isabelle2021\<close>). Thus @{tool jedit_client} can connect to the
   Isabelle desktop application without further options.
 
   The \<^verbatim>\<open>-p\<close> option allows to override the implicit default of the system
diff -r bdc8cd6f5e6e -r c9a836122739 src/Doc/System/Environment.thy
--- a/src/Doc/System/Environment.thy	Mon Jan 18 15:22:17 2021 +0100
+++ b/src/Doc/System/Environment.thy	Mon Jan 18 15:46:35 2021 +0100
@@ -58,7 +58,7 @@
     \<^enum> The file \<^path>\<open>$ISABELLE_HOME_USER/etc/settings\<close> (if it
     exists) is run in the same way as the site default settings. Note that the
     variable @{setting ISABELLE_HOME_USER} has already been set before ---
-    usually to something like \<^verbatim>\<open>$USER_HOME/.isabelle/Isabelle2020\<close>.
+    usually to something like \<^verbatim>\<open>$USER_HOME/.isabelle/Isabelle2021\<close>.
 
     Thus individual users may override the site-wide defaults. Typically, a
     user settings file contains only a few lines, with some assignments that
@@ -148,7 +148,7 @@
   of the @{executable isabelle} executable.
 
   \<^descr>[@{setting_def ISABELLE_IDENTIFIER}\<open>\<^sup>*\<close>] refers to the name of this
-  Isabelle distribution, e.g.\ ``\<^verbatim>\<open>Isabelle2020\<close>''.
+  Isabelle distribution, e.g.\ ``\<^verbatim>\<open>Isabelle2021\<close>''.
 
   \<^descr>[@{setting_def ML_SYSTEM}, @{setting_def ML_HOME}, @{setting_def
   ML_OPTIONS}, @{setting_def ML_PLATFORM}, @{setting_def ML_IDENTIFIER}\<open>\<^sup>*\<close>]
diff -r bdc8cd6f5e6e -r c9a836122739 src/Doc/System/Misc.thy
--- a/src/Doc/System/Misc.thy	Mon Jan 18 15:22:17 2021 +0100
+++ b/src/Doc/System/Misc.thy	Mon Jan 18 15:46:35 2021 +0100
@@ -71,7 +71,7 @@
   Isabelle installation: it needs to be a suitable version of Ubuntu Linux.
   The default \<^verbatim>\<open>ubuntu\<close> refers to the latest LTS version provided by Canonical
   as the official Ubuntu vendor\<^footnote>\<open>\<^url>\<open>https://hub.docker.com/_/ubuntu\<close>\<close>. For
-  Isabelle2020 this should be Ubuntu 18.04 LTS.
+  Isabelle2021 this should be Ubuntu 20.04 LTS.
 
   Option \<^verbatim>\<open>-p\<close> includes additional Ubuntu packages, using the terminology
   of \<^verbatim>\<open>apt-get install\<close> within the underlying Linux distribution.
@@ -98,22 +98,22 @@
   Produce a Dockerfile (without image) from a remote Isabelle distribution:
   @{verbatim [display]
 \<open>  isabelle build_docker -E -n -o Dockerfile
-    https://isabelle.in.tum.de/website-Isabelle2020/dist/Isabelle2020_linux.tar.gz\<close>}
+    https://isabelle.in.tum.de/website-Isabelle2021/dist/Isabelle2021_linux.tar.gz\<close>}
 
   Build a standard Isabelle Docker image from a local Isabelle distribution,
   with \<^verbatim>\<open>bin/isabelle\<close> as executable entry point:
 
   @{verbatim [display]
-\<open>  isabelle build_docker -E -t test/isabelle:Isabelle2020 Isabelle2020_linux.tar.gz\<close>}
+\<open>  isabelle build_docker -E -t test/isabelle:Isabelle2021 Isabelle2021_linux.tar.gz\<close>}
 
   Invoke the raw Isabelle/ML process within that image:
   @{verbatim [display]
-\<open>  docker run test/isabelle:Isabelle2020 process -e "Session.welcome ()"\<close>}
+\<open>  docker run test/isabelle:Isabelle2021 process -e "Session.welcome ()"\<close>}
 
   Invoke a Linux command-line tool within the contained Isabelle system
   environment:
   @{verbatim [display]
-\<open>  docker run test/isabelle:Isabelle2020 env uname -a\<close>}
+\<open>  docker run test/isabelle:Isabelle2021 env uname -a\<close>}
   The latter should always report a Linux operating system, even when running
   on Windows or macOS.
 \<close>
@@ -357,7 +357,7 @@
 
   \<^medskip>
   The default is to output the full version string of the Isabelle
-  distribution, e.g.\ ``\<^verbatim>\<open>Isabelle2020: April 2020\<close>.
+  distribution, e.g.\ ``\<^verbatim>\<open>Isabelle2021: February 2021\<close>.
 
   The \<^verbatim>\<open>-i\<close> option produces a short identification derived from the Mercurial
   id of the @{setting ISABELLE_HOME} directory.