The binaries in this directory are made available to you under the Mozilla Public License v.2 (MPL 2): http://www.mozilla.org/MPL/2.0/ The source code used to build these binaries is specified by the following unique URL: https://hg.mozilla.org/projects/birch/rev/f3b38b0e099bd2939f1a915ab2c655b8ec4b5954 zip: https://hg.mozilla.org/projects/birch/archive/f3b38b0e099bd2939f1a915ab2c655b8ec4b5954.zip tar.gz: https://hg.mozilla.org/projects/birch/archive/f3b38b0e099bd2939f1a915ab2c655b8ec4b5954.tar.gz tar.bz2: https://hg.mozilla.org/projects/birch/archive/f3b38b0e099bd2939f1a915ab2c655b8ec4b5954.tar.bz2 Instructions for downloading and building this source code can be found here: https://developer.mozilla.org/en/Mozilla_Source_Code_%28Mercurial%29