I want get next Html,how do it?

<h1 dataOption="regigon='west',opt=12px">Mixed HTML Example</h1>

and in index.dt(jade):

h1(dataoption='regigon="west",opt=12px') Mixed HTML Example

Diet will output:

<h1 dataOption="regigon=#quot;west#quot;,opt=12px">Mixed HTML Example</h1>

or

h1(dataoption="regigon='west',opt=12px") Mixed HTML Example

Diet will output:

<h1 dataOption="regigon='west',opt=12px">Mixed HTML Example</h1>

Thanks!