anchor.diff:      the end of each selection
   
   *o*::
  -    enter insert mode in a new line (or in a given count of new lines)
  +    enter insert mode in a new line (or in a given `count` of new lines)
       below the end of each selection
   
   *O*::
  -    enter insert mode in a new line (or in a given count of new lines)
  +    enter insert mode in a new line (or in a given `count` of new lines)
       above the beginning of each selection
   
   *<a-o>*::
  
positive.code: 
  *<a-&>*::
      copy indent, copy the indentation of the main selection (or the
      count one if a count is given) to all other ones
  
  *`*::
      to lower case
  
negative.code:         scroll to put the main selection on the bottom line of the window
  
      *h*:::
          scroll the window `count` columns left
  
      *j*:::
          scroll the window `count` line downward
  
      *k*:::
          scroll the window `count` line upward
  
      *l*:::
          scroll the window `count` columns right
  
  == Marks
  
  