paulson <lp15@cam.ac.uk> [Thu, 21 Mar 2019 14:18:22 +0000] rev 69939
new material on topology: products, etc. Some renamings, esp continuous_on_topo -> continuous_map
wenzelm [Thu, 21 Mar 2019 14:54:25 +0100] rev 69938
proper ISABELLE_OCAML_VERSION;
wenzelm [Thu, 21 Mar 2019 14:17:36 +0100] rev 69937
less ambitious test: lapbroy68 lacks libgmp-dev that is required for ocaml setup of zarith;
wenzelm [Thu, 21 Mar 2019 13:34:37 +0100] rev 69936
more robust "switch create";
disable sandboxing to avoid dependency on bubblewrap (unavailable on Ubuntu 16.04);
wenzelm [Thu, 21 Mar 2019 12:41:58 +0100] rev 69935
prefer central root: just one copy of this bulky material;
wenzelm [Thu, 21 Mar 2019 12:38:06 +0100] rev 69934
updated to current opam-2.0.3, which is also the version provided by Cygwin 3.0.4;