What's Changed

• markup/highlight: Escape lang in default code block rendering ce1a7e0b @bep
• parser/pageparser: Preserve non-ASCII whitespace after e.g. summary divider 70a9068a @bep
• resources: Support babel/postcss config variants 9d66d513 @jmooring #15039 #15040 #15043
• hugolib: Fix page/section name collision regression f0133466 @jmooring #15046