Add attribute with no value? about twital HOT 3 CLOSED

This depends if you are in XML or HTML5 mode.
See http://twital.readthedocs.io/en/latest/api.html#basics

$twital = new TwitalLoader($loader);
$twital->addSourceAdapter('/\.wsdl$/', new XMLAdapter()); // handle .wsdl files as XML
$twital->addSourceAdapter('/\.htm$/', new HTML5Adapter()); // handle .htm files as HTML5

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I configured the source adapter to use HTML5 as you suggested. However I still receive this error if I do not add a value to the "selected" attribute:

Type: Goetas\Twital\Exception
Message: Goetas\Twital\Attribute\AttrAttribute::findAttrParts error in 'selected'
File: /var/www/commlog_dev/vendor/goetas/twital/src/Goetas/Twital/Attribute/AttrAttribute.php
Line: 108

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This crashes: t:attr="language['code'] == userLang ? selected">
But this doesn't: t:attr="language['code'] == userLang ? selected='' ">
But I don't want the empty string.
Thank you for your time.

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