HEAD and FOOT markups == Description == The ++++ markup defines the //head// of a document. The HOP version of ++++ differs from the original HTML definition of ++HEAD++ markup. In particular the HOP version relies on a highly non-standard way of evaluating its attributes which can occur several times in an invocation. A typical ++++ looks like: ( :title :base ... :include ... ... :jscript :css ... :jscript :css ... ( ...) ... (