content: -- | A variety of useful constant documents representing many unicode characters.
  
  module Doc.Chars where
  
  import Data.Char(chr)
  import Doc.DocLike
  
  ulCorner, llCorner, urCorner, lrCorner, rTee, lTee, bTee, tTee, hLine,
   vLine, plus, s1, s9, diamond, ckBoard, degree, plMinus, bullet, lArrow,
   rArrow, dArrow, uArrow, board, lantern, block, s3, s7, lEqual, gEqual,
   pi, nEqual, sterling, coloncolon, alpha, beta, lambda, forall, exists,
   box, bot, bottom, top, pI, lAmbda, star, elem, notElem, and, or, sqoparen, sqcparen  :: TextLike a => a
  
  ulCorner  = char $ chr 0x250C
  llCorner = char $ chr 0x2514
  urCorner = char $ chr 0x2510
  lrCorner = char $ chr 0x2518
  rTee     = char $ chr 0x2524
  lTee     = char $ chr 0x251C
  bTee     = char $ chr 0x2534
  tTee     = char $ chr 0x252C
  hLine    = char $ chr 0x2500
  vLine    = char $ chr 0x2502
  plus     = char $ chr 0x253C
  s1       = char $ chr 0x23BA -- was: 0xF800
  s9       = char $ chr 0x23BD -- was: 0xF804
  diamond  = char $ chr 0x25C6
  ckBoard  = char $ chr 0x2592
  degree   = char $ chr 0x00B0
  plMinus  = char $ chr 0x00B1
  bullet   = char $ chr 0x00B7
  lArrow   = char $ chr 0x2190
  rArrow   = char $ chr 0x2192
  dArrow   = char $ chr 0x2193
  uArrow   = char $ chr 0x2191
  board    = char $ chr 0x2591
  lantern  = char $ chr 0x256C
  block    = char $ chr 0x2588
  s3       = char $ chr 0x23BB -- was: 0xF801
  s7       = char $ chr 0x23BC -- was: 0xF803
  lEqual   = char $ chr 0x2264
  gEqual   = char $ chr 0x2265
  pi       = char $ chr 0x03C0
  nEqual   = char $ chr 0x2260
  sterling = char $ chr 0x00A3
  
  coloncolon = char $ chr 0x2237  -- ∷
  
  alpha    = char $ chr 0x03b1  -- α
  beta     = char $ chr 0x03b2  -- β
  
  
  lambda   = char $ chr 0x03bb  -- λ
  forall   = char $ chr 0x2200  -- ∀
  exists   = char $ chr 0x2203  -- ∃
  box      = char $ chr 0x25a1  -- □
  
  bot      = char $ chr 0x22a5  -- ⊥
  bottom   = char $ chr 0x22a5  -- ⊥
  top      = char $ chr 0x22a4  -- T
  pI       = char $ chr 0x03a0
  lAmbda   = char $ chr 0x039b  -- Λ  (capital λ)
  and      = char $ chr 0x2227  -- ∧
  or       = char $ chr 0x2228  -- ∨
  star     = char $ chr 0x22c6
  elem     = char $ chr 0x2208  -- ∈
  notElem  = char $ chr 0x2209
  
  sqoparen = char $ chr 0x3014  -- 〔
  sqcparen = char $ chr 0x3015  --  〕
  
  