hiding objects in texture paint mode was buggy - (you couldnt exit texxture paint) - so only hide/show objects in object mode.

removed radiosity support.

According to the author -

"The Radiosity file format is my own personal format. I created it to
learn how meshes and vertex colors were stored. See IO-Examples.zip, the
example *.radio files on my web page."

source/blender/src/space.c

@@ -1924,9 +1924,9 @@ static void winqreadview3dspace(ScrArea *sa, void *spacedata, BWinEvent *evt)
 						hide_unselected_pose_bones();
 					else if (G.qual==LR_ALTKEY)
 						show_all_pose_bones();
-				} 
-				
-				else {
+				}
+				/* Object mode only, other modes are accounted for above */
+				else if ((G.f & G_VERTEXPAINT|G_TEXTUREPAINT|G_WEIGHTPAINT)==0) {
 					if(G.qual==LR_CTRLKEY)hookmenu();
 					else if(G.qual==LR_ALTKEY) show_objects();
 					else if(G.qual==LR_SHIFTKEY) hide_objects(0);