updated README.md

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 <h1 id="old-standard-t">Old Standard T</h1>
 <h2 id="license">License</h2>
-<p>Copyright (c) 2006-2011 Alexey Kryukov <a href="mailto:amkryukov@gmail.com">amkryukov@gmail.com</a>, without Reserved Font Names.</p>
+<p>Copyright (c) 2006-2011 Alexey Kryukov (<a href="mailto:amkryukov@gmail.com">amkryukov@gmail.com</a>), without Reserved Font Names.</p>
 <p>Copyright (c) 2019, Robert Alessi (<a href="mailto:alessi@robertalessi.net">alessi@robertalessi.net</a>), without Reserved Font Names.</p>
-<p>This Font Software is licensed under the SIL Open Font License, Version 1.1. This license is copied below, and is also available with a FAQ at: http://scripts.sil.org/OFL</p>
+<p>This Font Software is licensed under the SIL Open Font License, Version 1.1. This license is available with a FAQ at: <a href="http://scripts.sil.org/OFL" class="uri">http://scripts.sil.org/OFL</a></p>
 <h2 id="history">History</h2>
-<p>This font is just the same as Alexey Kryukov's beautiful Old Standard.<a href="#fn1" class="footnoteRef" id="fnref1"><sup>1</sup></a></p>
-<h2 id="notes">Notes</h2>
+<p>This font is just the same as Alexey Kryukov's beautiful <em>Old Standard</em>.<a href="#fn1" class="footnoteRef" id="fnref1"><sup>1</sup></a> In comparison to <em>Old Standard</em>, <em>Old Standard T</em> includes new letters and some corrections:</p>
+<ol style="list-style-type: decimal">
+<li>Small capitals for Roman, Greek and Cyrillic letters, in all three styles, Regular, Italic and Bold have been added. Small capitals, which are missing from <em>Old Standard</em>, were already in use a century ago in fine books which used font faces very similar to <em>Old Standard</em>. Typical use cases of small capitals were headers, current headings and in some books proper names.</li>
+<li>The letter G with caron above, that is: Ǧ (<code>U+01E6</code>, uppercase) and ǧ (<code>U+01E7</code>, lowercase) has been added. It is the only character missing from <em>Old Standard</em> that is needed in some of the accepted standards of romanization of classical Arabic.<a href="#fn2" class="footnoteRef" id="fnref2"><sup>2</sup></a></li>
+<li>Additionaly, <em>Old Standard T</em> corrects <code>+ss06</code> feature provided by <em>Old Standard</em>. This feature is supposed to distinguish between regular and ‘curly’ beta (β/ϐ) and to print ‘curly’ beta (<code>U+03D0</code>) in medial position. This feature works in most cases with <em>Old Standard</em>. However, it fails if the beta is preceded by a vowel with an acute accent taken from the <em>Greek extended</em> Unicode block.</li>
+</ol>
+<h3 id="why-old-standard-t">Why <em>Old Standard T</em>?</h3>
+<p>At the time of writing, <em>Old Standard</em> was last updated six years ago. Nevertheless, the letter <code>T</code> stands for <em>Transient</em>, which means that <em>Old Standard T</em>, should only stay as long as what it features is not included in <em>Old Standard</em>.</p>
+<h2 id="documentation">Documentation</h2>
+<p>Please refer to Alexey Kryukov's documentation which is can be found here: <a href="http://mirrors.ctan.org/fonts/oldstandard/doc/oldstand-manual.pdf" class="uri">http://mirrors.ctan.org/fonts/oldstandard/doc/oldstand-manual.pdf</a></p>
 <div class="footnotes">
 <hr />
 <ol>
-<li id="fn1"><p>https://github.com/akryukov/oldstand<a href="#fnref1">↩</a></p></li>
+<li id="fn1"><p>See <a href="https://github.com/akryukov/oldstand" class="uri">https://github.com/akryukov/oldstand</a><a href="#fnref1">↩</a></p></li>
+<li id="fn2"><p>See for references the <a href="http://mirrors.ctan.org/macros/luatex/latex/arabluatex/arabluatex.pdf">current documentation of the arabluatex package</a>, sect. ``Transliteration''.<a href="#fnref2">↩</a></p></li>
 </ol>
 </div>