lib/metanorma/un/biblio.rng in metanorma-un-0.12.16 vs lib/metanorma/un/biblio.rng in metanorma-un-0.12.17
- old
+ new
@@ -1202,10 +1202,12 @@
</attribute>
</optional>
<optional>
<ref name="formattedref"/>
</optional>
- <ref name="btitle"/>
+ <oneOrMore>
+ <ref name="btitle"/>
+ </oneOrMore>
<optional>
<ref name="bplace"/>
</optional>
<optional>
<ref name="seriesorganization"/>