diff -r 69982744c427 -r d0cced9cdeae NEWS --- a/NEWS Sun Jan 16 20:54:30 2011 +0100 +++ b/NEWS Sun Jan 16 20:55:48 2011 +0100 @@ -13,7 +13,7 @@ * Significantly improved Isabelle/Isar implementation manual. * System settings: ISABELLE_HOME_USER now includes ISABELLE_IDENTIFIER -(and thus refers to something like $HOME/.isabelle/IsabelleXXXX), +(and thus refers to something like $HOME/.isabelle/Isabelle2011), while the default heap location within that directory lacks that extra suffix. This isolates multiple Isabelle installations from each other, avoiding problems with old settings in new versions.