Function svn_ra_do_diff 

pub unsafe extern "C" fn svn_ra_do_diff(
    session: *mut svn_ra_session_t,
    reporter: *mut *const svn_ra_reporter2_t,
    report_baton: *mut *mut c_void,
    revision: svn_revnum_t,
    diff_target: *const c_char,
    recurse: svn_boolean_t,
    ignore_ancestry: svn_boolean_t,
    versus_url: *const c_char,
    diff_editor: *const svn_delta_editor_t,
    diff_baton: *mut c_void,
    pool: *mut apr_pool_t,
) -> *mut svn_error_t

Similar to svn_ra_do_diff2(), but with @a text_deltas set to @c TRUE.

@deprecated Provided for backward compatibility with the 1.3 API.