gnus: Article Header

 
 3.18.5 Article Header
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 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’).