   # Leading/trailing whitespace is ignored in *any* type of cell, including
   # comments, empty rows, headers, directives, and data cells.    
# Double-quotes are always processed prior to stripping leading/trailing
# whitespace within the cell.
  id 	"col1	"	"	col2"	col3   
 #q2:types  	"	numeric "	categorical  	"
categorical
  "
id1 	" 1 "	  a  	foo
       	
"	 	"
"	id2 "	2	b	"bar
  "
id3	3	"c
"	42
