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Robert EnchelmaierSubject: Non-printable special characters in Xsl
Author: Robert Enchelmaier
Date: 15 May 2008 04:42 AM
I am producing XSL-FO which generates non-printable special characters for blank lines and whereever i have placed 2 spaces together. In the file viewer, these characters appear as spaces, but appear as A (with a circumflex) if i look at the xsl in wordpad. Everything appears ok in PDF when rendering the xsl to PDF using Render XEP in Studio.

I am storing this xsl in a SQL Server database and in the process of storing and retrieving the xsl, these non-printable characters are being replaced by '??'.

I have tried storing the data as text and binary and doing a UTF-8 decoding which results in a single '?' instead of the '??' if I use ASCII decoding.

Short of converting these special characters to my own escape characters, what are these characters, how many are there, and how do i deal with them when storing them in other than files?



(Deleted User) Subject: Non-printable special characters in Xsl
Author: (Deleted User)
Date: 15 May 2008 05:19 AM
Hi Robert,
the special A character with the circumflex is the character used by the UTF-8 encoding to signal that a codepoint cannot be represented by a single byte, so it means that Wordpad doesn't understand UTF-8 (or doesn't recognize it). If you cannot force SQL Server to preserve the UTF-8 encoding, you can try replacing the hardcoded symbol with its entity representation,  


Robert EnchelmaierSubject: Non-printable special characters in Xsl
Author: Robert Enchelmaier
Date: 15 May 2008 08:10 AM
Thanks Alberto.

Sql Server does not support UTF-8 encoding. So I took your advice and converted all non-breaking spaces to ' ' and saved the xsl as binary. I could have saved it as ASCII given there were no more unicode characters.

This is not a general solution because if it turns out there are other unicode characters in another xsl or xml file, then the same problem will appear.

But it will do in this case.

Thanks again.

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