if err == nil {
		return respBody, nil
	}

	if xnet.IsNetworkOrHostDown(err, true) {
		return nil, errPeerNotReachable
	}

	return nil, err
}

// Stringer provides a canonicalized representation of node.
func (client *peerRESTClient) String() string {
	return client.host.String()
}

// IsOnline returns true if the peer client is online.
func (client *peerRESTClient) IsOnline() bool {

     * factored out. An <code>SmbFile</code> constructed with the result of
     * this method will result in an <code>SmbFile</code> that is equal to
     * the original.
     *
     * @return The canonicalized URL of this SMB resource.
     */
    public String getCanonicalPath() {
        return this.fileLocator.getCanonicalURL();
    }

    /**

			invp := InvalidPart{
				PartNumber: part.PartNumber,
				GotETag:    part.ETag,
			}
			return oi, invp
		}
		expPart := currentFI.Parts[partIdx]

		// ensure that part ETag is canonicalized to strip off extraneous quotes
		part.ETag = canonicalizeETag(part.ETag)
		expETag := tryDecryptETag(objectEncryptionKey, expPart.ETag, kind == crypto.S3)
		if expETag != part.ETag {
			invp := InvalidPart{

     * factored out. An <code>SmbFile</code> constructed with the result of
     * this method will result in an <code>SmbFile</code> that is equal to
     * the original.
     *
     * @return  The canonicalized URL of this SMB resource.
     */

    public String getCanonicalPath() {
        final String str = url.getAuthority();
        getUncPath0();
        if (str.length() > 0) {

	// We must not use the http.Header().Set method here because some (broken)
	// clients expect the x-amz-copy-source-version-id header key to be literally
	// "x-amz-copy-source-version-id"- not in canonicalized form, preserve it.
	if srcOpts.VersionID != "" {
		w.Header()[strings.ToLower(xhttp.AmzCopySourceVersionID)] = []string{srcOpts.VersionID}
	}

	// Write success response.

</p>

<h2 id="Source_code_representation">Source code representation</h2>

<p>
Source code is Unicode text encoded in
<a href="https://en.wikipedia.org/wiki/UTF-8">UTF-8</a>. The text is not
canonicalized, so a single accented code point is distinct from the
same character constructed from combining an accent and a letter;
those are treated as two code points.  For simplicity, this document