What happens?:
Diff changed <ref>{{Cite web|title=Hoary Alyssum {{!}}|url=... to <ref name="Hoary Alyssum {{!"/>
What should have happened instead?:
<ref>{{Cite web|title=Hoary Alyssum {{!}}|url=... be changed to <ref name="Hoary Alyssum"/>
Software version
v6.2.1.0 SVN 12528
Other information:
WT:AWB/GF#Awkward choice of new ref name when {{! present in title parameter