Clarify a couple things.

doc/partiview.sgml

@@ -1508,8 +1508,11 @@ To make polygons be textured:
 	<it/texture-index/ for that particle's polygon
   <item>Use data-command <tt/texturevar /<it/fieldno/ to specify which
 	data field that is.
-  <item>Use control commands to enable drawing polygons and textures,
+  <item>Use control commands (<tt/poly/, </polylumvar/, </polysize/)
+	to enable drawing polygons and textures,
 	and to give the polygons nonzero size.
+  <item>Possibly use control command <tt/polysides/ to specify
+	4-sided polygons -- a bit faster to draw than default 11-gons.
   </itemize>
 It doesn't matter whether the texture-index data field is given a datavar name.
 <p>
@@ -1588,10 +1591,10 @@ playmodes:
 	r,t	playevery=0
 
 Gview.cpp : Fl_Gview::handle()
-	w	reset?
+	w	reset camera position
 	r	ROTATE mode
-	p       identify nearest object
-	P	pick that object are the new origin
+	p       identify nearest object under mouse cursor
+	P	pick that object as the new origin
 	f	FLY mode
 	t	TRANSLATE mode
 	o	ORBIT mode
@@ -1600,9 +1603,20 @@ Gview.cpp : Fl_Gview::handle()
 	V	make field of view smaller
 	^v	toggle debug output
 	@	dname [g1]  
-	=	show debug matrix output
+	=	show object-to-world, world-to-object 4x4 matrices
+		  (precede by object name, e.g. "c=", "g3=")
 	ESC	exit
 
+	PrintScreen  Take image snapshot of current view
+	<  >	Step backwards/forwards in dynamical time
+		   (numeric prefix sets time step)
+	{  }	Animate backwards/forwards in dynamical time
+	~	Fermionic dynamical-time animation toggle:
+		   cycle between stop/forward/stop/backward/...
+	z  Z    Halve/double animation speed (dyn units/sec)
+		   (numeric prefix sets animation speed)
+		  (or by 
+
 
 </verb></tscreen>
 
@@ -1676,7 +1690,3 @@ I was able to make a path (*.wf) file and load that though.
 
 
 </article>
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