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--- netpbm-10.33/converter/ppm/ppmtompeg/fsize.c.ppmtompeg	1995-07-03 23:57:05.000000000 +0200
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+++ netpbm-10.33/converter/ppm/ppmtompeg/fsize.c	2006-04-05 12:44:04.000000000 +0200
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@@ -117,8 +117,8 @@
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     Fsize_Validate(&Fsize_x, &Fsize_y);
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     if ((Fsize_x==0) || (Fsize_y==0)) {
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-      fprintf(stderr,"Frame %d:  size is zero!\n",id);
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-/*      exit(1); */
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+      fprintf(stderr,"Frame %d: image dimensions need to be integer multiples of 16 for ppmtompeg!\n",id);
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+      exit(1);
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     }
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 #ifdef BLEAH
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--- netpbm-10.34/converter/ppm/ppmtompeg/parallel.c.ppmtompeg   2006-07-19 14:53:27.000000000 +0200
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+++ netpbm-10.34/converter/ppm/ppmtompeg/parallel.c     2006-07-19 15:11:42.000000000 +0200
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@@ -1315,8 +1315,6 @@
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   TransmitPortNum(masterHostName, masterPortNum, combinePortNum);
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   close(outputServerSocket);
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-
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-  fclose(ofp);
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 }