* subversion/include/svn_error_codes.h:
    Document that SVN_ERROR_BUILD_ARRAY is an implementation detail.  (See IRC
    just now for a few reasons behind this.)


git-svn-id: https://svn.apache.org/repos/asf/subversion/trunk@1464558 13f79535-47bb-0310-9956-ffa450edef68