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Strings in green and black should match each other in each line below.
<p>locale=tr: <span lang="tr" class="upper">ISİİ İSII</span> :
<span>ISİİ İSII</span></p>
<p>locale=tr_TR: <span lang="tr_TR" class="upper">ISİİ İSII</span> :
<span>ISİİ İSII</span></p>
<p>locale=tr-TR: <span lang="tr-TR" class="upper">ISİİ İSII</span> :
<span>ISİİ İSII</span></p>
<p>locale=tr@foo=bar: <span lang="tr@foo=bar" class="upper">ISİİ İSII</span> :
<span>ISİİ İSII</span></p>
<p>locale=az: <span lang="az" class="upper">ISİİ İSII</span> :
<span>ISİİ İSII</span></p>
<p>locale=az_AZ: <span lang="az_AZ" class="upper">ISİİ İSII</span> :
<span>ISİİ İSII</span></p>
<p>locale=az-AZ: <span lang="az-AZ" class="upper">ISİİ İSII</span> :
<span>ISİİ İSII</span></p>
<p>locale=az@foo=bar: <span lang="az@foo=bar" class="upper">ISİİ İSII</span> :
<span>ISİİ İSII</span></p>
<p>locale=tr-US: <span lang="tr-US" class="upper">ISİİ İSII</span> :
<span>ISİİ İSII</span></p>
<p>locale=TR: <span lang="TR" class="upper">ISİİ İSII</span> :
<span>ISİİ İSII</span></p>
<p>locale=en: <span lang="en" class="upper">ISIİ İSII</span> :
<span>ISIİ İSII</span></p>
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