diff(1): formatting nit
 [rsc] --rw-rw-r-- M 1635703 glenda sys 3089 Feb 23 06:41 sys/man/1/diff
	/n/sourcesdump/2006/0223/plan9/sys/man/1/diff:5,11 - 
	/n/sourcesdump/2006/0224/plan9/sys/man/1/diff:5,12
	  .B diff
	  [
	  .B -abcefmnrw
	- ] file1 ... file2
	+ ] 
	+ .I file1 ... file2
	  .SH DESCRIPTION
	  .I Diff
	  tells what lines must be changed in two files to bring them