private boolean badCharInCandidateAttributeName() {
        return attributeName.indexOf('/') != -1
                || attributeName.indexOf('>') != -1
                || attributeName.indexOf('\"') != -1
                || attributeName.indexOf('\'') != -1
                || attributeName.indexOf('<') != -1
                || attributeName.indexOf('=') != -1;
    }
Collect a set of attribues and values from the data part of a PI.

<p>
The bulk of this method and associated methods that follow it here are
copied from the nu.validator.htmlparser.impl.Tokenizer class, with
appropriate modifications.
</p>

@see nu.validator.htmlparser.impl.Tokenizer
@see nu.validator.htmlparser.impl.ErrorReportingTokenizer
src/nu/validator/checker/XmlPiChecker.java