still, it does not enable ridding html code from those <script> defining lines
Sure it does... If you look at the generated source when you select the jQuery/jQuery Mobile libraries it automatically inserts the appropriate script and stylesheet links into the source. It's then up to you to add any additional libraries and markup needed for your example/prototype yourself.
If you want more control over the content that goes into the HEAD section of the document then use the jQuery Mobile JSBin template as documented in the jQuery Mobile contributing guidelines: http://jsbin.com/onibuc/1/edit
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