[web2py] Why ' ?

[annet]

In a view I have the following code:

<td>
{{=A('insert',_onmouseover="this.style.cursor='pointer';",_href=URL(r=request,f='manage_css',args=[row.css_declaration.id,row.css_selectorproperty.id]))}}
</td>


When I the source of the rendered page in the browser the link reads
like:

<td><a href="/cms/card/manage_css/None/1"
onmouseover="this.style.cursor=&#x27;pointer&#x27;;">insert</a></td>

I wonder why the ' is rendered as &#x27.


Kind regards,

Annet.