• For instance
    Fdvips -Ppdf -mode ibmvga -D 110 -f %%1 -pp %%2  > zz%%4.ps 
    Fconvert zz%%4.ps -trim +repage -density 110x110 -transparent ’#FFFFFF’ %%3 
    Frm zz%%4.ps 

  • The specialized scripts may, for instance, maintain global caches of png bitmaps for cutting down on recompilation time.