Escaping
- XML/XSLT: Numeric Character References (NCR): &#dddd; /
&#hhhhh; (not in names!)
- Java: \uhhhh (UTF-16!)
- Perl: \x{263a}, \N{ARABIC LETTER ALEF}; mixture of bytes and UTF-8 can
lead to unexpected results
- C/C++: \xhhhhh
- Python:
\uhhhh, \Uhhhhhhhh