10
if
(pos == 0)
11
{
12
index = pos + 2;
13
}
14
else
(pos == input.Length - 2)
15
16
toAppend = input.Substring(index, pos - index);
17
(!
string
.IsNullOrEmpty(toAppend))
18
19
sb.AppendFormat(
"{0} "
, toAppend);
20
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