Auto merge of #27858 - rkruppe:rustdoc-codespans, r=alexcrichton
Auto merge of #27858 - rkruppe:rustdoc-codespans, r=alexcrichton

Fixes #24746 

GBGamer/rust,dwillmer/rust,dwillmer/rust,GBGamer/rust,GBGamer/rust,GBGamer/rust,graydon/rust,GBGamer/rust,dwillmer/rust,GBGamer/rust,dwillmer/rust,aidancully/rust,dwillmer/rust,aidancully/rust,graydon/rust,dwillmer/rust,aidancully/rust,aidancully/rust,aidancully/rust,aidancully/rust,GBGamer/rust,dwillmer/rust,dwillmer/rust,graydon/rust,graydon/rust,GBGamer/rust,graydon/rust,graydon/rust