[TYPO3-english] AMP pages, amp-img instead of img src from RTE

[Jan Slusarczyk]

> You should be able to modify the rendering of the img tags in RTE
> content, by configuring some user function:
>
> lib.parseFunc_RTE.tags.img.userFunc = YourClassName->yourFunctionName

Hi Stanislas,

I didn't know it is possible to use userFunc for RTE parsing! Seems like 
a wonderful starting point! Do you have an example of such a function by 
any chance? RTE is so full of surprises.

Thank you for your work
Jan