indexnew: Edits to the script overview.

indexnew.html

@@ -243,7 +243,7 @@ <h2>Tibetan script overview</h2>
 
 
 
-<p>To write the sounds of the standard Lhasa dialect, Tibetan uses 30 consonant letters (plus their subjoined forms). 6 more letters are used to write Sanskrit.</p>
+<p>To write the sounds of the standard Lhasa dialect, Tibetan uses 28 consonant letters (plus their subjoined forms). 6 more letters are used to write Sanskrit.</p>
 
 <p>A  distinguishing feature of Tibetan is the set of separate code points for subjoined consonants, used to create consonant stacks. Of the 77 combining characters in the Tibetan block, 48 represent subjoined consonant forms. Unlike many other Indic scripts, the modern Tibetan orthography doesn't use a <a class="termref" href="https://w3c.github.io/i18n-glossary/index.html#dfn-virama">virama</a> to create stacks.</p>
 
@@ -255,7 +255,7 @@ <h2>Tibetan script overview</h2>
 
 <p><em>Sanskrit</em> vowels written in Tibetan use additional vowel signs and combining marks, some of which represent diphthongs, and some of which form circumgraphs or multipart characters, depending on the encoding.</p>
 
-<p>Tone is not explicitly indicated in the orthography.</p>
+<p>Tone is indicated by the choice of root character and/or its associated prefixes and superscripts.</p>
 
 <p>Modern Tibetan writing uses few punctuation marks or symbols, but the Tibetan script block in Unicode contains many of these.</p>
 
@@ -280,6 +280,8 @@ <h3>Tibetan Syllables</h3>
 </div>
 <figcaption>Syllable composition in Tibetan</figcaption>
 </figure>
+
+<p>See <a href="https://r12a.github.io/scripts/tibt/bo.html#consonants">more information</a> about how the various parts of the <span class="name">tsheg-bar</span> work together.</p>
 </section>
 </section>