* add more logging for azure disk diagnostics ([#70012](https://github.com/kubernetes/kubernetes/pull/70012), [@andyzhangx](https://github.com/andyzhangx))
* Fluentd: concatenate long logs ([#68012](https://github.com/kubernetes/kubernetes/pull/68012), [@desaintmartin](https://github.com/desaintmartin))

r  = float64(x*y) + z
r  = z; r += float64(x*y)
t  = float64(x*y); r = t + z
</pre>

<h4 id="String_concatenation">String concatenation</h4>

<p>
Strings can be concatenated using the <code>+</code> operator
or the <code>+=</code> assignment operator:
</p>

<pre>
s := "hi" + string(c)
s += " and good bye"
</pre>

<p>