[css-align] Add issue wrt stretch having a fallback alignment.

Author: fantasai

css-align/Overview.bs

@@ -217,6 +217,8 @@ Positional Alignment: the ''center'', ''start'', ''end'', ''self-start'', ''self
 			while still respecting the constraints imposed by 'min-height'/'max-width'/etc.
 			Otherwise, this is equivalent to ''start''.
 
+			Issue: Should this value allow a fallback alignment, like the <<content-distribution>> values do?
+
 		<dt><dfn for="<item-position>, <content-position>">start</dfn>
 		<dd>Aligns the <a>alignment subject</a> to be flush with the <a>alignment container</a>’s start edge.
 

css-align/Overview.html

@@ -616,7 +616,12 @@ <h3 class="heading settled" data-level="3.1" id="positional-values"><span class=
 			while still respecting the constraints imposed by <a class="property" data-link-type="propdesc" href="http://dev.w3.org/csswg/css2/visudet.html#propdef-min-height">min-height</a>/<a class="property" data-link-type="propdesc" href="http://dev.w3.org/csswg/css2/visudet.html#propdef-max-width">max-width</a>/etc.
 			Otherwise, this is equivalent to <a class="css" data-link-type="maybe" href="#valdef-item-position-content-position-start">start</a>.
 
-		</dd>
+
+          <p class="issue" id="issue-c363d194"><a class="self-link" href="#issue-c363d194"></a>Should this value allow a fallback alignment, like the <a class="production css" data-link-type="type" href="#typedef-content-distribution">&lt;content-distribution></a> values do?</p>
+          
+
+		
+        </dd>
         <dt><dfn class="css" data-dfn-for="<item-position>, <content-position>" data-dfn-type="value" data-export="" id="valdef-item-position-content-position-start">start<a class="self-link" href="#valdef-item-position-content-position-start"></a></dfn>
 		</dt>
         <dd>Aligns the <a data-link-type="dfn" href="#alignment-subject">alignment subject</a> to be flush with the <a data-link-type="dfn" href="#alignment-container">alignment container</a>’s start edge.
@@ -2404,6 +2409,7 @@ <h2 class="no-num heading settled" id="issues-index"><span class="content">Issue
 		and is <strong>NOT STABLE</strong>.
 
 <a href="#issue-1ad5b2aa"> ↵ </a></div>
+      <div class="issue">Should this value allow a fallback alignment, like the <a class="production css" data-link-type="type" href="#typedef-content-distribution">&lt;content-distribution></a> values do?<a href="#issue-c363d194"> ↵ </a></div>
       <div class="issue">
 		Add example images.