Index: tests/coroutine/.expect/fmtLines.txt
===================================================================
--- tests/coroutine/.expect/fmtLines.txt	(revision dfa43602bd7af4000c92703f5f8bd89e83da1bab)
+++ tests/coroutine/.expect/fmtLines.txt	(revision 62f96ae7086cb4d998d48b3b2b4534d769a63aa6)
@@ -48,31 +48,31 @@
 {			  				  // f  or n  ewli  
 ne c  hara  cter  s			  		su  
-spen  d();  				  	if   ( fm  
-t.ch   !=   '\n'   ) b  reak  
-;		/  / ig  nore   new  line  
-				  } //   for  				  sout  
- | f  mt.c  h;		  				  	//   
-prin  t ch  arac  ter	  		}   
-// f  or		  	sou  t |   "  "  
-;			  				  	//   prin  t bl  
-ock   sepa  rato  r		}   //   
-for	  	sou  t |   nl;	  				  
-				  // p  rint   gro  up s  
-epar  ator  	} /  / fo  r} /  
-/ ma  invo  id p  rt(   Form  
-at &   fmt  , ch  ar c  h )   
-{      fmt  .ch   = ch  ;     
- res  ume(   fmt   );}   //   
-prti  nt m  ain(  ) {	  Form  
-at f  mt;	  char   ch;  	for  
- ( ;  ; )   {		s  in |   ch;  
-				  				  		//   rea  d on  
-e ch  arac  ter	    if   ( e  
-of(   sin   ) )   brea  k;		  
-				  	//   eof   ?		p  rt(   
-fmt,   ch   );	}   //   for}  
- //   main  // L  ocal   Var  
-iabl  es:   ////   tab  -wid  
-th:   4 //  // c  ompi  le-c  
-omma  nd:   "cfa   fmt  Line  
-s.cf  a" /  ///   End:   //
+spen  d;		  			i  f (   fmt.  
+ch !  = '\  n' )   bre  ak;	  
+	//   igno  re n  ewli  ne		  
+		}   // f  or		  		so  ut |  
+ fmt  .ch;  				  			/  / pr  
+int   char  acte  r			  } //  
+ for  			s  out   | "    ";	  
+				  			/  / pr  int   bloc  
+k se  para  tor	  	} /  / fo  
+r		s  out   | nl  ;			  				  
+		//   pri  nt g  roup   sep  
+arat  or	}   //   for}   //   
+main  void   prt  ( Fo  rmat  
+ & f  mt,   char   ch   ) {   
+   f  mt.c  h =   ch;      r  
+esum  e( f  mt )  ;} /  / pr  
+tint   mai  n()   {	Fo  rmat  
+ fmt  ;	ch  ar c  h;	f  or (  
+ ;;   ) {	  	sin   | c  h;		  
+				  				  // r  ead   one   
+char  acte  r	    if (   eof  
+( si  n )   ) br  eak;  				  
+			/  / eo  f ?	  	prt  ( fm  
+t, c  h );  	} /  / fo  r} /  
+/ ma  in//   Loc  al V  aria  
+bles  : //  // t  ab-w  idth  
+: 4   ////   com  pile  -com  
+mand  : "c  fa f  mtLi  nes.  
+cfa"   ///  / En  d: /  /