More feedback

text/0000-dynamic-tag-names.md

@@ -45,19 +45,32 @@ For instance:
 The glimmer parser needs to be able to distinguish this from any other interpolation in the so called
 _element space_, like the future [Element Modifiers](https://github.com/emberjs/rfcs/pull/353).
 
-This syntax presents two edge cases that we need clarification:
+This syntax presents some edge cases that we need clarification:
 
-1 - What happens when the value in the interpolated in the opening and closing tags are different?
+#### Should we allow helpers inside those interpolations?
+
+For instance:
+
+```hbs
+<{{or @tagName "div"}}>
+
+</{{or @tagName "div"}}>
+```
+
+I think that this repetition is ugly but people will need it and we must allow it.
+
+#### What happens when the value in the interpolated in the opening and closing tags are different?
 
 ```hbs
 <{{@tagName}} class="pt-10 pb-10 ps-20 box-shadow" ...attributes>
   {{yield}}
 </{{@otherTagName}}>
 ```
 
-This is clearly illegal and must throw an exception in development or production alike.
+This is clearly illegal and must throw an exception in build time.
+This also applies to interpolated subexpressions. They must not only be equivalent but **the exact same expression**.
 
-2 - What if the interpolated value is not a string? (`null`, `undefined` or a number/object).
+#### What if the interpolated value is not a string? (`null`, `undefined` or a number/object).
 
 Any value other than a String must throw an exception in development or production alike.
 
@@ -67,7 +80,7 @@ For those not familiar with `<></>` in React, that is used to generate DOM fragm
 element.
 I lean towards considering that a runtime error, but I could be convinced otherwise.
 
-3 - Should the tag name be _unbound_?
+#### Should the tag name be _unbound_?
 
 The tag name of a DOM element is not something that can be changed in runtime. Changing it once set would
 mean removing the old element and creating a new one, copying the content from one element to the new one.
@@ -99,23 +112,4 @@ We can propose other alternative syntax. For instance, we could have a special b
 
 ## Unresolved questions
 
-#### Should we allow helpers inside those interpolations?
-
-For instance:
-```hbs
-<{{or @tagName "div"}}>
-
-</{{or @tagName "div"}}>
-```
-
-I think that this repetition makes templates harder to read, so I advocate that only simple bindings
-can be passed in. If the user wants to use something more complex than a binding, they could use the `let`/`with` helpers
-for that.
-
-```hbs
-{{#with (or @tagName "div") as |tagName|}}
-  <{{tagName}} class="foo">
-    ...
-  </{{tagName}}>
-{{/with}}
-```
+---