The value of the attribute. This is in a freshly-allocated buffer to deal
with unescaping, and is null-terminated. It does not include any quotes
that surround the attribute. If the attribute has no value (for example,
'selected' on a checkbox), this will be an empty string.
The value of the attribute. This is in a freshly-allocated buffer to deal with unescaping, and is null-terminated. It does not include any quotes that surround the attribute. If the attribute has no value (for example, 'selected' on a checkbox), this will be an empty string.