On 8/29/2014 4:45 PM, vadamovsky wrote:
> I forgot to note that I'm using iTextSharp v5.5.2.

When you measure the characters in the Chunk, you measure the original 
characters.
When you render the Arabic glyphs using ColumnText, the original 
characters in the Chunk are replaced by the ligaturization process.
It should be obvious that the length of the original characters and the 
replaced characters may not be identical.

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