Re: [Audacity-devel] Preview buttons, etc.

[Dominic M. <do...@mi...>]

Dave Fancella wrote:
> Anyway, if you can make a list of characters that need to be escaped, I 
> could come up with codes pretty quickly.

Actually you can encode anything using hexadecimal.  That's what
%20 is - 20 is the hex code for space (ASCII 32).  So it would
be easy to write a function that encodes EVERYTHING that way.
Maybe that would be best - encode everything that way EXCEPT
for a-z, A-Z, 0-9, and a few other characters that we're positive
are safe.

To avoid overencoding, what we really need is a list of the characters
that are in the ASCII range 32 - 127 but have special meaning in XML
and need to be escaped.  < and > are examples of this.

But if we can't find a definitive reference, I'll just go with that
idea above.

In C code:

   printf("%%%02X", ch);

- Dominic