722   int newTransp=-1;  in packPal()  local
733       if (p==ptransp) { k[0]=1; k[1]=k[2]=k[3]=0; newTransp=newNcols; }  in packPal()
748   assert(newTransp==-1 || transp!=-1);  in packPal()
753   if (newNcols==oldNcols && transp==newTransp) {  in packPal()
760   if (newTransp!=-1 && newTransp!=(int)newNcols-1) {  in packPal()
763     memcpy(newpal+3*newTransp, newpal+3*newLast, 3);  in packPal()
765     for (op=old2new; op!=opend; op++) if (*op==newLast) *op=newTransp;  in packPal()
767     transp=newTransp=newLast;  in packPal()
768     p=newpal+newTransp*3;  in packPal()
780   transp=newTransp;  in packPal()
782   if (newTransp==-1) transpc=0x1000000UL; /* Dat: this means: no transparent color */  in packPal()
783                 else { transp=-1; setTransp(newTransp); }  in packPal()