The layout of FreeBSD branches in Subversion is described in the <link xlink:href="@@URL_RELPREFIX@@/doc/en_US.ISO8859-1/articles/committers-guide/subversion-primer.html#subversion-primer-base-layout">Committer's Guide</link>. The first step in creating a branch is to identify the revision of the <literal>stable/<replaceable>X</replaceable></literal> sources that you want to branch <emphasis>from</emphasis>.