adjust lint warning message

Author: WorldSEnder

packages/yew-macro/src/html_tree/html_element.rs

@@ -376,8 +376,9 @@ impl ToTokens for HtmlElement {
                     emit_warning!(
                         name_span.clone(),
                         format!(
-                            "The tag '{dashedname}' is not matching its normalized form '{lowercase_name}'. If you want \
-                             to keep this form, change this to a dynamic tag `@{{\"{dashedname}\"}}`."
+                            "The tag '{dashedname}' is not matching its normalized form '{lowercase_name}' \
+                             and is not a recognized SVG or MathML element. If you want to keep this name, \
+                             you can use the dynamic tag `@{{\"{dashedname}\"}}` to silence this warning."
                         )
                     )
                 }

packages/yew-macro/tests/html_lints/fail.stderr

@@ -1,4 +1,4 @@
-warning: The tag 'tExTAreA' is not matching its normalized form 'textarea'. If you want to keep this form, change this to a dynamic tag `@{"tExTAreA"}`.
+warning: The tag 'tExTAreA' is not matching its normalized form 'textarea' and is not a recognized SVG or MathML element. If you want to keep this name, you can use the dynamic tag `@{"tExTAreA"}` to silence this warning.
   --> tests/html_lints/fail.rs:17:10
    |
 17 |         <tExTAreA />