Typo.
 [rsc] --rw-rw-r-- M 913078 glenda sys 4191 Feb 13 08:51 sys/man/2/exec
	/n/sourcesdump/2006/0213/plan9/sys/man/2/exec:1,6 - 
	/n/sourcesdump/2006/0214/plan9/sys/man/2/exec:1,6
	  .TH EXEC 2
	  .SH NAME
	- exec, execl, _privates, _nprivates, _tps \- execute a file
	+ exec, execl, _privates, _nprivates, _tos \- execute a file
	  .SH SYNOPSIS
	  .B #include <u.h>
	  .br