Para. 1:  ...that reads and writes a string buffer...
			      ^		 ^

	Para. 3:  ...can be called at any time to retrieve the...
				  XXXXXXXXXXXX       ^^^^^
		  ...entire contents of the entire ``file'' ...
		     ^^^^^^^		   XXXXXXX

Guido, I hope I'm not stomping too far afield, but these seem pretty clear
to me.