Rollup merge of #75262 - pickfire:patch-6, r=jyn514
Rollup merge of #75262 - pickfire:patch-6, r=jyn514

Show multi extension example for Path in doctests

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