...Forgot to actually draw the image when xml export was used.

Another erroneous assumption based on my Ogl problems...

source/blender/yafray/intern/export_File.cpp

@@ -355,6 +355,11 @@ void yafrayFileRender_t::displayImage()
 
 	fclose(fp);
 	fp = NULL;
+
+	// based on another assumption of ogl errors on my system, forgot to actually draw it...
+	re->result->renlay = render_get_active_layer(re, re->result);
+	re->display_draw(re->result, NULL);
+
 }
 
 static string noise2string(short nbtype)

source/blender/yafray/intern/export_Plugin.cpp

@@ -1898,10 +1898,6 @@ bool yafrayPluginRender_t::writeWorld()
 	return true;
 }
 
-// display_draw() needs render layer info
-extern "C" {
-#include "renderpipeline.h"
-}
 bool blenderYafrayOutput_t::putPixel(int x, int y, const yafray::color_t &c,
 		yafray::CFLOAT alpha, yafray::PFLOAT depth)
 {

source/blender/yafray/intern/yafray_Render.h

@@ -25,6 +25,8 @@ extern "C" {
 #include "BKE_image.h"
 
 #include "render_types.h"
+/* display_draw() needs render layer info */
+#include "renderpipeline.h"
 
 /* useful matrix & vector operations */
 #include "MTC_matrixops.h"