Ticket #79: transparent.patch

doc/Makefile.am

@@ -26 +26 @@
 doc/html:
         $(MAKE) $(AM_MAKEFLAGS) html
 
-GS_COMMAND=gs -sDEVICE=png16m -dNOPAUSE -dBATCH -q -dEPSCrop -dTextAlphaBits=4 -dGraphicsAlphaBits=4
+GS_COMMAND=gs -dNOPAUSE -dBATCH -q -dEPSCrop -dTextAlphaBits=4 -dGraphicsAlphaBits=4
 
 $(DOC_EPS_IMAGES18:%.eps=doc/images/%.png): %.png: %.eps
         -mkdir -p doc/images
         if test ${gs_found} = yes; then \
-          $(GS_COMMAND) -r18 -sOutputFile=$@ $<; \
+          $(GS_COMMAND) -sDEVICE=pngalpha -r18 -sOutputFile=$@ $<; \
         else \
           echo; \
           echo "Ghostscript not found."; \