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‘Rman.css’, the stylesheet for the ‘texi2any’-generated HTML versions of the R manuals, was improved following joint efforts at the ‘R Dev Days’ of useR! 2024 and RSECon25.
New system Rd macro ‘\manual{<name>}{<node>}’ to refer to a specific section _etc_ (possibly empty, for ‘Top’) of one of the R manuals (e.g., ‘R-exts’).