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if(nSpace==null){nSpace=[" "];}
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if(out.n.length===0){for(i=0;i<out.o.length;i++){str+="<del>"+out.o[i]+oSpace[i]+"</del>";}}
else{if(out.n[0].text==null){for(n=0;n<out.o.length&&out.o[n].text==null;n++){str+="<del>"+out.o[n]+oSpace[n]+"</del>";}}
for(i=0;i<out.n.length;i++){if(out.n[i].text==null){str+="<ins>"+out.n[i]+nSpace[i]+"</ins>";}
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