The name of attribute that will be used for template expandion by amrita.
You will need to set this if you use id attribute fom DOM. For
expample, if this was set to "amrita_id", you can use amrita_id
for amrita and id for DOM.
If set, the output is an xhtml document.
compact spaces and delete new line of output if set. you can't set
prettyprint and compact_space both in same Template.
The name of attribute that turns into id. You will need to set
this if you use id attribute for DOM/CSS/etc... For expample, if
this was set to "__id", you can use id for amrita and
__id for DOM/CSS/etc....