         } catch {
             throw EpubParserError.xmlParse(underlyingError: error)
         }
-        // Look for the first `<roofile>` element
+        // Look for the first `<roofile>` element.
         let rootFileElement = containerDotXml.root["rootfiles"]["rootfile"]
         // Get the path of the OPF file, relative to the metadata.rootPath.
         guard let opfFilePath = getRelativePathToOPF(from: rootFileElement) else {

    /// The tuple returned by the parse function.
    public typealias parsingResult = (publication: Publication, associatedContainer: Container)

    /// Parses the EPUB (file/directory) at `fileAtPath` and generate a
    ///`Publication` and a `Container`.
    ///
    /// - Parameter container: The Container containing the epub.
    /// - Returns: the resulting publication.

        return version
    }

    /// Generate a Container instance for the file at `fileAtPath`. It handles
    /// 2 cases, epub files and unwrapped epub directories.
    ///
    /// - Parameter path: The absolute path of the file.
