httpd(8): document @ in httpd.rewrite
 [rsc] --rw-rw-r-- M 842976 glenda sys 6866 Mar 19 14:15 sys/man/8/httpd
	/n/sourcesdump/2006/0319/plan9/sys/man/8/httpd:136,141 - 
	/n/sourcesdump/2006/0320/plan9/sys/man/8/httpd:136,149
	  but not both:
	  .B http://system/who/rob
	  will never match a request.
	+ .I Httpd
	+ handles replacements prefixed with 
	+ .B @ 
	+ internally,
	+ treating the request as if it were for the replacement
	+ (without the
	+ .BR @ )
	+ but not informing the client of the rewritten name.
	  .PP
	  Before opening any file,
	  .I httpd

fossil: silence flushthread print
 [rsc] --rw-rw-r-- M 842976 rsc sys 43886 Mar 19 14:10 sys/src/cmd/fossil/cache.c
	/n/sourcesdump/2006/0319/plan9/sys/src/cmd/fossil/cache.c:2034,2040 - 
	/n/sourcesdump/2006/0320/plan9/sys/src/cmd/fossil/cache.c:2034,2040
	  				 * Pause a little.
	  				 */
	  				if(i==0){
	- 					fprint(2, "flushthread found nothing to flush - %d dirty\n", c->ndirty);
	+ 					// fprint(2, "flushthread found nothing to flush - %d dirty\n", c->ndirty);
	  					sleep(250);
	  				}
	  				break;