gnus: Group Information

 
 2.18.2 Group Information
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 ‘H d’
 ‘C-c C-d’
      Describe the current group (‘gnus-group-describe-group’).  If given
      a prefix, force Gnus to re-read the description from the server.
 
 ‘M-d’
      Describe all groups (‘gnus-group-describe-all-groups’).  If given a
      prefix, force Gnus to re-read the description file from the server.
 
 ‘H v’
 ‘V’
      Display current Gnus version numbers (‘gnus-version’).
 
 ‘?’
      Give a very short help message (‘gnus-group-describe-briefly’).
 
 ‘C-c C-i’
      Go to the Gnus info node (‘gnus-info-find-node’).