For the sake of better clarity, inside <informationbeforedive> all that information concerning the current dive is put into brackets that is known before starting the dive.
<dive>
<airtemperature>, <alcoholbeforedive>, <altitude>, <apparatus>, <datetime>, <divenumber>, <divenumberofday>, <internaldivenumber>, <link/>, <medicationbeforedive>, <nosuit/>, <plannedprofile>, <platform>, <price>, <purpose>, <stateofrestbeforedive>, <surfaceintervalbeforedive>, <surfacepressure>, <tripmembership>
<dive>, <informationafterdive>
(see also <dive>)
<informationbeforedive>
<link ref="site_IllesMedes_coast_archway"/>
<divenumber>234</divenumber>
<internaldivenumber>147</internaldivenumber> <!-- with this dive computer only 147 dives were made -->
<airtemperature>297.15</airtemperature> <!-- 24 °C -->
<datetime>1999-04-06T16:21</datetime>
<alcoholbeforedive>
<! -- here information concerning drinks taken before the dive -->
</alcoholbeforedive>
<link ref="buehlmann_zhl16"/> <!-- decompression model used: Bühlmann ZH-L16 -->
<surfaceintervalbeforedive>
<passedtime>9000.0</passedtime>
</surfaceintervalbeforedive>
<altitude>0.0</altitude>
<surfacepressure>103000.0</surfacepressure> <!-- 1030 mbar -->
<platform>charter-boat</platform>
<apparatus>open-scuba</apparatus>
<purpose>sightseeing</purpose>
<stateofrestbeforedive>rested</stateofrestbeforedive>
<tripmembership>Estartit 1999</tripmembership>
</informationbeforedive>