docs: update v-pre escaping

docs/guide/using-vue.md

@@ -62,7 +62,7 @@ const { page } = useData()
 
 ## Escaping
 
-By default, fenced code blocks are automatically wrapped with `v-pre`. To display raw mustaches or Vue-specific syntax inside inline code snippets or plain text, you need to wrap a paragraph with the `v-pre` custom container:
+By default, fenced code blocks are automatically wrapped with `v-pre`, unless you have set some language with `-vue` suffix like `js-vue` (in that case you can use Vue-style interpolation inside fences). To display raw mustaches or Vue-specific syntax inside inline code snippets or plain text, you need to wrap a paragraph with the `v-pre` custom container:
 
 **Input**