<xsd:simpleType name="bondRefType" id="st.bondRefType">
<xsd:annotation>
<xsd:documentation>
<h:div class="summary" xmlns:h="http://www.w3.org/1999/xhtml">A reference to an existing bond.</h:div>
<h:div class="general" xmlns:h="http://www.w3.org/1999/xhtml">A reference to a bond may be made by atoms (e.g. for multicentre or pi-bonds), electrons (for annotating reactions or describing electronic properties) or possibly other bonds (no examples yet). The semantics are relatively flexible.</h:div>
<h:div class="example" href="bond1.xml" xmlns:h="http://www.w3.org/1999/xhtml" />
</xsd:documentation>
</xsd:annotation>
<xsd:restriction base="xsd:string">
<xsd:pattern value="[A-Za-z0-9_\-]+(:[A-Za-z0-9_\-]+)?" />
</xsd:restriction>
</xsd:simpleType>
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