line one
line two
line three
lone CR here
next after CR
and again
tabs:	one	two		double			triple
	leading tab
    four leading spaces
trailing spaces    
trailing tab	
multiple   internal      spaces         here
NBSP: here and there  double
em space thin space hair space figure space en space
narrow NBSP here ideographic　space ogham space
en quad em quad three-per-em four-per-em six-per-em punctuation medium math end
zero-width space:​between​words; zero-width no-break space (BOM) mid-text: before﻿after
form feedand vertical tabhere
line separator para separator end
next line (NEL):after



blank lines above (three)
   	  
mixed	 	 spaces and tabs


CRLF blank lines above (two)

lone CR blank line above
 leading single space
  leading double space
a b  c   d    e     f      g       h        i
space before punctuation , and ; and : and ! and ? and .
			
                                                                                                                                 
ends without newline