set exception handler by request format, not always HTML

website/reverse.php

@@ -13,6 +13,7 @@ $oParams = new Nominatim\ParameterParser();
 
 // Format for output
 $sOutputFormat = $oParams->getSet('format', array('html', 'xml', 'json', 'jsonv2', 'geojson', 'geocodejson'), 'xml');
+set_exception_handler_by_format($sOutputFormat);
 
 // Preferred language
 $aLangPrefOrder = $oParams->getPreferredLanguages();