3.18.5 Article Header --------------------- These commands perform various transformations of article header. ‘W G u’ Unfold folded header lines (‘gnus-article-treat-unfold-headers’). ‘W G n’ Fold the ‘Newsgroups’ and ‘Followup-To’ headers (‘gnus-article-treat-fold-newsgroups’). ‘W G f’ Fold all the message headers (‘gnus-article-treat-fold-headers’). ‘W E w’ Remove excessive whitespace from all headers (‘gnus-article-remove-leading-whitespace’).