Fiddling.
 [rsc] --rw-rw-r-- M 1428987 sape sys 30760 Jan 28 10:54 sys/src/games/music/jukebox/music.c
	[diffs elided - too long]
	[diff -c /n/sourcesdump/2006/0128/plan9/sys/src/games/music/jukebox/music.c /n/sourcesdump/2006/0129/plan9/sys/src/games/music/jukebox/music.c]
 [rsc] --rw-rw-r-- M 1428987 sape sys 1585 Jan 28 12:25 sys/src/games/music/playlistfs/boilerplate.c
	/n/sourcesdump/2006/0128/plan9/sys/src/games/music/playlistfs/boilerplate.c:65,71 - 
	/n/sourcesdump/2006/0129/plan9/sys/src/games/music/playlistfs/boilerplate.c:65,71
	  	 * broadcast and putting themselves back on the
	  	 * queue before the broadcast has finished
	  	 */
	- 	marker.eventc = nil;
	+ 	marker.eventc = nil;	/* Only markers have eventc == nil */
	  	sendp(q, &marker);
	  	while((w = recvp(q)) != &marker){
	  		if(w->eventc == nil){