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<p>Turkish uppercasing (each pair should match): <span lang="tr" style="text-transform: uppercase">i İ, ı I</span>.</p>
<p>Turkish lowercasing (each pair should match): <span lang="tr" style="text-transform: lowercase">İ i, İ i, I ı</span>.</p>
<p>Azeri uppercasing (each pair should match): <span lang="az" style="text-transform: uppercase">i İ, ı I</span>.</p>
<p>Azeri lowercasing (each pair should match): <span lang="az" style="text-transform: lowercase">İ i, İ i, I ı</span>.</p>
<p>Turkish subtag uppercasing (each pair should match): <span lang="TR-anySubtag" style="text-transform: uppercase">i İ, ı I</span>.</p>
<p>Turkish subtag lowercasing (each pair should match): <span lang="tR-reallyCanHaveAnythingHere" style="text-transform: lowercase">İ i, İ i, I ı</span>.</p>
<p>Azeri subtag uppercasing (each pair should match): <span lang="AZ-sameForAzeri" style="text-transform: uppercase">i İ, ı I</span>.</p>
<p>Azeri subtag lowercasing (each pair should match): <span lang="Az-allSubTagged" style="text-transform: lowercase">İ i, İ i, I ı</span>.</p>
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