  Utility to interactively search for keywords in text files.

  In the following descriptions,
    x     refers to a simple key press of the 'x' key
    C-x   means Control-x
    M-x   means Alt-x or Option-x (depending on your system),
          which can also be triggered by pressing Escape then x
    Wasd  refers to any 'w', 'a', 's' or 'd' key press


      GENERAL KEYS

  q                   Quit program, or close this help view
  ?                   Show this help
  1 or 2 or 3         Switch to view #1, #2 or #3
  ! or @ or #         Switch to view #1, #2 or #3 with current filters


      MOVING

  Arrows or Wasd      Scroll up/down/left/right a line or column
  S-Arrows or S-Wasd  Scroll up/down/left/right a page
  Space               Scroll down a page
  b                   Scroll back a page
  < or g              Scroll to the top
  > or G              Scroll to the bottom
  n                   Scroll to next matching line
  N or p              Scroll to previous matching line
  C-g or Tab          Goto line number
  /                   Start a search, kinda like "less", but only if there is
                      currently no filter defined...


      FILTERS

  Enter or f          Push a new filter by prompting for its first keyword
  Backspace or F      Remove filter at the bottom
  + or =              Push a new keyword to bottom filter
  - or _              Pop last keyword from bottom filter
  e or M-Enter        Edit last keyword from bottom filter
  M-Up or M-w         Rotate all the filters up
  M-Down or M-s       Rotate all the filters down
  M-Left or M-a       Rotate all the keywords of bottom filter to the left
  M-Right or M-d      Rotate all the keywords of bottom filter to the right
  i                   Toggle whether or not current filter ignores case
  x                   Toggle whether or not lines matching a filter are shown
  X                   Toggle whether last keyword must be present or absent


      DISPLAY MODES

  l                   Toggles line numbers visibility
  k                   Toggles line wrapping
  *                   Toggles diamonds visibility at line starts (when wrapping)
  .                   Toggles whitespace displaying as dot
  c                   Next color palette
  C                   previous color palette
  h                   Next highlight and colorization mode
  H                   Previous highlight and colorization mode
  m                   Next line visibility mode
  M                   Previous line visibility mode
  `                   Next SGR processing mode
  ~                   Prev SGR processing mode


      FILE SYSTEM

  r                   Reload file
  R                   Toggle auto reload file
  t                   Reload file and scroll to end (tail)
  T                   Toggle auto reload and scroll to end (tail)
  \                   Save filters and modes into next slot on disk
  |                   Delete current (last loaded) slot from disk
  [                   Load filters and modes from next slot on disk
  ]                   Load filters and modes from previous slot on disk


Type 'q' to close this help

