[css-snap-size] Issues updated

Author: kojiishi

css-snap-size/Overview.bs

@@ -91,14 +91,6 @@ Values have the following meanings:
     Values between 1 and 100 (inclusive) are valid.
 </dl>
 
-<div class="issue">
-  What "Applies to" should be is probably elements that can host line boxes,
-  or elements that can be a containing block?
-  What is the correct way to describe them?
-  Anything else?
-  Fragmentainer vs containing block?
-</div>
-
 Snapping Line Box Heights {#snap-line-height}
 ---------------------------------------------
 
@@ -267,9 +259,9 @@ Non-negative <<length>>s are valid.
 Seeking for multiple options:
 
 1. Snap logical width after min/max applied.
-    * Is not applicable when other constraints are strong, such as table cells, flex items, etc.
+    * 'max-width' effects differently when other constraints exist, such as in table cell, flex item, etc.
+    * It'd be harder to handle when it affects preferred width.
 2. Snap available width.
-    * Whether a line box uses the content width or the available width isn't clearly defined.
 3. Snap line box width.
     * Lines and blocks (tables etc.) will be different width.
 
@@ -292,10 +284,11 @@ If the element is in vertical flow,
 the height is rounded instead,
 using the 'max-height' property.
 
+The effect of this property is defined
+only when the effect of the 'max-width' property is defined.
+
 <div class="note">
-  Since this property depends on the effect of the 'max-width' property,
-  it is defined only when the 'max-width' property is defined.
-  For instance, in [[!CSS21]],
+  In [[!CSS21]],
   the effect of 'min-width' and 'max-width' on tables, inline tables,
   table cells, table columns, and column groups is undefined.
 </div>