How to add CR or LF to the end of the. pdf file generated by Stella.Boleto?

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I managed a ticket of the Itau and was indicated to validate with the operator (bank Itau). The operator required to insert the special characters: CR+LF.

How do I do that ?

java java-ee pdf billet caelum-stella

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These are the characters from Carriage Return and Line Feed. One is the ASCII code 10 and the other ASCII 13, I do not remember now which is which (also do not remember if it is in hexadecimal too, heheh).

As the UTF-8 charset holds the ASCII table, you can open the file for editing in this encoding pattern and add the missing characters.

I believe it to be a pair of characters at the end of each line of the boleto.

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