Index: manual/appendix/wps_tags.tex
===================================================================
--- manual/appendix/wps_tags.tex	(revision 16960)
+++ manual/appendix/wps_tags.tex	(working copy)
@@ -198,7 +198,9 @@
     \config{\%xdn[i]} & Display a preloaded image\\
         & \config{n}: image ID (a-z and A-Z) as it was specified in \config{\%x} or \config{\%xl}\\
         & \config{i}: (optional) number of the sub-image to display (a-z for 1-26 and A-Z for 27-52).
-          By default the first (i.e. top most) sub-image will be used.\\
+          By default the first (i.e. top most) sub-image will be used, unless
+          it is inside a conditional. In a conditional, each sub-image is used
+          as a separate option.\\
   \end{tagmap}
 \end{table}
 
@@ -210,7 +212,10 @@
 with image ID ``M'', and then reference the individual sub-images in a conditional:\\
 \config{\%xl{\textbar}M{\textbar}volume.bmp{\textbar}134{\textbar}153{\textbar}5{\textbar}}\\
 \config{\%?pv<\%xdMa{\textbar}\%xdMb{\textbar}\%xdMc{\textbar}\%xdMd{\textbar}%
-\%xdMe>}
+\%xdMe>}\\
+or\\
+\config{\%?pv<\%xdM>}\\
+(the two conditional forms are equivalent)
 \end{enumerate}