anchor.diff:   * _k_: select the character above the selection end
    * _l_: select the character on the left of selection end
   
  - * _w_: select the word and following whitespaces  on the right of selection end 
  + * _w_: select the word and following whitespaces  on the right of selection end
    * _b_: select preceding whitespaces and the word on the left of selection end
    * _e_: select preceding whitespaces and the word on the right of selection end
   
  
positive.code: * *highlight_selections*: used to make current selection visible
  * *expand_tabs*: expand tabs to next 8 multiple column (to make configurable)
  * *hlcpp*: quick'n'dirty c++ code highlighter
  * *number_lines*: show line numbers 
  * *regex*: highlight a regex, takes 3 parameters <regex> <fg_color> <bg_color>
  
  Filters
  
negative.code: are used to manipulate the current selection and to enter insertion mode.
  
  There is no concept of cursor in kakoune, only selections, a single character
  selection can be seen as a cursor but there is no difference internally.
  
  Building
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