Rollup merge of #91054 - camelid:fix-tags, r=GuillaumeGomez
Rollup merge of #91054 - camelid:fix-tags, r=GuillaumeGomez

rustdoc: Fix some unescaped HTML tags in docs

They were being interpreted literally.

graydon/rust,aidancully/rust,aidancully/rust,graydon/rust,aidancully/rust,graydon/rust,aidancully/rust,graydon/rust,graydon/rust,aidancully/rust,graydon/rust,aidancully/rust