patch(1): update example
 [rsc] --rw-rw-r-- M 836007 glenda sys 2375 Apr 14 10:00 sys/man/1/patch
	/n/sourcesdump/2006/0414/plan9/sys/man/1/patch:86,92 - 
	/n/sourcesdump/2006/0415/plan9/sys/man/1/patch:86,92
	  .IR pwd ,
	  which you have modified locally:
	  .EX
	- % patch/create pwd-errors /sys/src/cmd/pwd.c
	+ % patch/create pwd-errors user@host.dom /sys/src/cmd/pwd.c
	  Fix pwd to print errors to fd 2 rather than 1.
	  ^D
	  % 

httpd: nul terminate buffer in readfile
 [rsc] --rw-rw-r-- M 836007 glenda sys 2403 Apr 14 10:01 sys/src/cmd/ip/httpd/authorize.c
	/n/sourcesdump/2006/0414/plan9/sys/src/cmd/ip/httpd/authorize.c:111,115 - 
	/n/sourcesdump/2006/0415/plan9/sys/src/cmd/ip/httpd/authorize.c:111,116
	  		free(buf);
	  		return nil;
	  	}
	+ 	buf[n] = '\0';
	  	return buf;
	  }

yesterday(1): src for diffy
 [rsc] --rw-rw-r-- M 836007 glenda sys 2628 Apr 14 10:01 sys/man/1/yesterday
	/n/sourcesdump/2006/0414/plan9/sys/man/1/yesterday:13,19 - 
	/n/sourcesdump/2006/0415/plan9/sys/man/1/yesterday:13,19
	  ]
	  .I files ...
	  .PP
	- .I diffy
	+ .B diffy
	  [
	  .B -abcefmnrw
	  ]
	/n/sourcesdump/2006/0414/plan9/sys/man/1/yesterday:145,150 - 
	/n/sourcesdump/2006/0415/plan9/sys/man/1/yesterday:145,152
	  .B /n/dump
	  .SH SOURCE
	  .B /rc/bin/yesterday
	+ .br
	+ .B /rc/bin/diffy
	  .SH SEE ALSO
	  .IR history (1),
	  .IR bind (1),

9load mkfile: don't copy to lookout
 [rsc] --rw-rw-r-- M 836007 glenda sys 3116 Apr 14 13:22 sys/src/boot/pc/mkfile
	/n/sourcesdump/2006/0414/plan9/sys/src/boot/pc/mkfile:167,174 - 
	/n/sourcesdump/2006/0415/plan9/sys/src/boot/pc/mkfile:167,174
	  		mk $MKFLAGS $i.install
	  
	  %.install:V:	$BIN/%
	- 	import lookout / /n/lookout
	- 	cp $prereq /n/lookout/$prereq
	+ 	# import lookout / /n/lookout
	+ 	# cp $prereq /n/lookout/$prereq
	  
	  $BIN/%:	%
	  	cp $stem $BIN/$stem