Update error handling in Main.xml for OAI-PMH

Add verb: "identify" because in some (cached) cases the empty object {} is interpreted as string and causes an error

Author: chrizzor

Resources/Private/Templates/OaiPmh/Main.xml

@@ -16,7 +16,7 @@
     xsi:schemaLocation="http://www.openarchives.org/OAI/2.0/ http://www.openarchives.org/OAI/2.0/OAI-PMH.xsd">
     <responseDate><f:format.date format="Y-m-d\TH:i:s\Z">now</f:format.date></responseDate>
     <f:comment>As per the specification, don't show arguments on badVerb or badArgument.</f:comment>
-    {f:if(condition: '{error} == "badVerb" || {error} == "badArgument"', then: '{}', else: '{parameters}') -> f:variable(name: 'shownParameters')}
+    {f:if(condition: '{error} == "badVerb" || {error} == "badArgument"', then: '{verb: "identify"}', else: '{parameters}') -> f:variable(name: 'shownParameters')}
     <request{f:if(condition: i.isFirst, then: ' {key}="{value}"', else: ' {key}="{value}"') -> f:for(each:'{shownParameters}', as:'value', key:'key', iteration:'i')}><f:uri.page absolute="1" /></request>
     <f:if condition="{error}">
         <f:then>