For this source:
```
[[[php
// php code
]]]

[[[shell
# shell command
]]]

[[[php
/// php code
]]]
```

Generation before this modification:
```html
<pre class="shell" style="font-family:monospace;">
    <ol>
        <li style="font-weight: normal; vertical-align:top;">
            <div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">
                // php code
            </div>
        </li>
    </ol>
</pre>

<pre class="language-shell" style="font-family:monospace;">
    <ol>
        <li style="font-weight: normal; vertical-align:top;">
            <div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">
                # shell command
            </div>
        </li>
    </ol>
</pre>

<pre class="shell" style="font-family:monospace;">
    <ol>
        <li style="font-weight: normal; vertical-align:top;">
            <div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">
                // php code
            </div>
        </li>
    </ol>
</pre>
```

Generation after this modification:
```html
<pre class="language-php" style="font-family:monospace;">
    <ol>
        <li style="font-weight: normal; vertical-align:top;">
            <div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">
                <span style="color: #666666; font-style: italic;">
                    // php code
                </span>
            </div>
        </li>
    </ol>
</pre>

<pre class="language-shell" style="font-family:monospace;">
    <ol>
        <li style="font-weight: normal; vertical-align:top;">
            <div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">
                # shell command
            </div>
        </li>
    </ol>
</pre>

<pre class="language-php" style="font-family:monospace;">
    <ol>
        <li style="font-weight: normal; vertical-align:top;">
            <div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">
                <span style="color: #666666; font-style: italic;">
                    // php code
                </span>
            </div>
        </li>
    </ol>
</pre>
```

pre tags class was wrong and there was no syntax coloration