Conflicted names of error conditions.

Hey all,<br /><br />According to <a
href="http://www.postgresql.org/docs/9.0/static/errcodes-appendix.html">http://www.postgresql.org/docs/9.0/static/errcodes-appendix.html</a><br
/>someerror conditions has non-unique *names*. There are:<br /> modifying_sql_data_not_permitted,<br
/>prohibited_sql_statement_attempted,<br/>reading_sql_data_not_permitted<br />from <span class="bold"><span
class="EMPHASIS">SQLRoutine Exception and </span></span><span class="bold"><span class="EMPHASIS">External Routine
Exceptionclasses.<br /><br />It should be?<br /><br />Regards,<br />Dmitriy<br /><br /></span></span>