Add placeholder sections.

Marked with TBD, these are topics for which there are related labels in the tracker repo, but for which there is no content yet in this document.

index.html

@@ -430,6 +430,29 @@ <h4>Establishing the language of inline runs</h4>
   <p>Where a switch in language can affect operations on the content, such as spell-checking, rendering, styling, voice production, translation, information retrieval, and so forth, it is necessary to indicate the range of text affected and identify the language of that content.</p>
 </section>
 </section>
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+<section id="lang_strings" class="subtopic">
+<h3><em>Identifying the language of strings (TBD)</em></h3>
+
+<p class="reviewComments"><a href="https://github.com/w3c/i18n-activity/labels/t%3Alang_strings_x" target="_blank">See related review comments.</a></p>
+</section>
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+<section id="lang_detection" class="subtopic">
+<h3><em>Detecting &amp; matching language (TBD)</em></h3>
+
+<p class="reviewComments"><a href="https://github.com/w3c/i18n-activity/labels/t%3Alang_detection_x" target="_blank">See related review comments.</a></p>
+
+</section>
 </section>
 
 
@@ -861,6 +884,17 @@ <h3>Setting base direction for inline or substring text</h3>
 	<p class="advisement">For markup, provide attributes that allow the user to (a) create an embedded base direction or (b) override the bidirectional algorithm altogether; the attribute should allow the user to set the direction to LTR or RTL or the aforementioned Auto in either of these two scenarios.</p>
 	</div>
 </section>
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+<section id="bidi_detection" class="subtopic">
+<h3><em>Detecting &amp; matching direction (TBD)</em></h3>
+
+<p class="reviewComments"><a href="https://github.com/w3c/i18n-activity/labels/t%3Abidi_detection_x" target="_blank">See related review comments.</a></p>
+</section>
 </section>
 
 
@@ -2645,6 +2679,17 @@ <h3>Vertical text</h3>
 
 
 
+<section id="typ_bidi" class="subtopic">
+<h3><em>RTL/bidi text (TBD)</em></h3>
+
+<p class="reviewComments"><a href="https://github.com/w3c/i18n-activity/labels/t%3Atyp_bidi_x" target="_blank">See related review comments.</a></p>
+</section>
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 <section id="typ_cursive" class="subtopic">
 <h3>Cursive text</h3>
 
@@ -2727,6 +2772,28 @@ <h3>Ruby text annotations</h3>
 
 
 
+<section id="typ_logical" class="subtopic">
+<h3><em>Logical properties (TBD)</em></h3>
+
+<p class="reviewComments"><a href="https://github.com/w3c/i18n-activity/labels/t%3Atyp_logical_x" target="_blank">See related review comments.</a></p>
+</section>
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+<section id="typ_font_management" class="subtopic">
+<h3><em>Font management (TBD)</em></h3>
+
+<p class="reviewComments"><a href="https://github.com/w3c/i18n-activity/labels/t%3Atyp_font_management_x" target="_blank">See related review comments.</a></p>
+</section>
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+
 
 
 
@@ -3180,6 +3247,25 @@ <h4>Other considerations</h4>
 
 
 
+
+<section id="loc_numbers" class="subtopic">
+<h3>Working with numbers</h3>
+
+
+	<div class="req" id="loc_numbers_shape_parse">
+	<p class="advisement">When parsing user input of numeric values, allow for digit shaping (non-ASCII digits).</p>
+	</div>
+
+	<div class="req" id="loc_numbers_shape_display">
+	<p class="advisement">When formatting numeric values for display, allow for culturally sensitive display, including the use of non-ASCII digits (digit shaping).</p>
+	</div>
+</section>
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 <section id="loc_forms" class="subtopic">
 <h3>Designing forms</h3>
 
@@ -3193,18 +3279,21 @@ <h3>Designing forms</h3>
 
 
 
+<section id="loc_input" class="subtopic">
+<h3><em>User input (TBD)</em></h3>
 
-<section id="loc_numbers" class="subtopic">
-<h3>Working with numbers</h3>
+<p class="reviewComments"><a href="https://github.com/w3c/i18n-activity/labels/t%3Aloc_input_x" target="_blank">See related review comments.</a></p>
+</section>
 
 
-	<div class="req" id="loc_numbers_shape_parse">
-	<p class="advisement">When parsing user input of numeric values, allow for digit shaping (non-ASCII digits).</p>
-	</div>
 
-	<div class="req" id="loc_numbers_shape_display">
-	<p class="advisement">When formatting numeric values for display, allow for culturally sensitive display, including the use of non-ASCII digits (digit shaping).</p>
-	</div>
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+
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+<section id="loc_examples" class="subtopic">
+<h3><em>Creating examples (TBD)</em></h3>
+
+<p class="reviewComments"><a href="https://github.com/w3c/i18n-activity/labels/t%3Aloc_examples_x" target="_blank">See related review comments.</a></p>
 </section>