scanner: allow synclines anywhere on the line.
scanner: allow synclines anywhere on the line.

This is very useful when wrapping user code: you may insert "//#"
whereever you are, you don't need to insert a "\n" before the syncline
(which defeats the whole point --- not messing around with the user's
locations --- since you added a newline outside the #push/#pop pair.

	* src/parser/utoken.l (//#push, //#pop): Accept them anywhere on
	the line.

aldebaran/urbi,aldebaran/urbi,urbiforge/urbi,urbiforge/urbi,aldebaran/urbi,urbiforge/urbi,aldebaran/urbi,urbiforge/urbi,urbiforge/urbi,urbiforge/urbi,urbiforge/urbi,urbiforge/urbi,aldebaran/urbi,aldebaran/urbi,urbiforge/urbi,aldebaran/urbi,aldebaran/urbi