added explanatory note to 'bad state nesting' error message

diff --git a/lib/pdf/GFXOutputDev.cc b/lib/pdf/GFXOutputDev.cc
index eda0220..573719e 100644 (file)
--- a/lib/pdf/GFXOutputDev.cc
+++ b/lib/pdf/GFXOutputDev.cc
@@ -2598,9 +2598,9 @@ void GFXOutputDev::endTransparencyGroup(GfxState *state)
     
     this->device = states[statepos].olddevice;
     if(!this->device) {
-       msg("<fatal> bad state nesting in transparency group- PDF file broken?");
-       /* if these errors occur more often, we should build a seperate
-          transparency group stack, like xpdf/SplashOutputDev.cc does */
+       msg("<fatal> Bad state nesting in transparency group");
+       msg("<fatal> Notice: this is a known problem, which will be fixed in 0.9.1");
+       msg("<fatal> In the meantime, please convert the file with -s poly2bitmap");
        restoreState(state);
        this->device = states[statepos].olddevice;
     }