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<chapter id="functions">

<title>Functions and Operators</title>

argument is treated as a Unicode code point. For other multibyte

encodings the argument must designate a strictly

<acronym>ASCII</acronym> character. The NULL (0) character is not

allowed because text data types cannotreliablystore such bytes.

allowed because text data types cannot store such bytes.

</entry>

<entry><literal>chr(65)</literal></entry>

<entry><literal>A</literal></entry>