block
columns 1
  db(("DB"))
  blockArrowId6<["&nbsp;bla#nbsp;<b>bold</b>bla"]>(down)
  block:ID
    A
    B["A wide one in the middle"]
    C
  end
  block:group2:3
    %% columns auto (default)
    l m n o p q r
  end
  space
  D
  ID --> D
  C --> D
  columns 3
  a["A label"] b:2 c:2 d
  A space:2 B
  A-- "X" -->B

  id1("This is the text in the box")  
  id1(["This is the text in the box"])
  id1[["This is the text in the box"]]
  id1[("Database")]
  id1(("This is the text in the circle"))
  id1>"This is the text in the box"]
  id1{"This is the text in the box"}
  id1{{"This is the text in the box"}}
  id1[/"This is the text in the box"/]
  id1[/"This is the text in the box"\]
  id1[\"This is the text in the box"\]
  id1[\"This is the text in the box"/]
  id1((("This is the text in the circle")))
  blockArrowId1<["Label"]>(right)
  blockArrowId2<["Label"]>(left)
  blockArrowId3<["Label"]>(up)
  blockArrowId4<["Label"]>(down)
  blockArrowId5<["Label"]>(x)
  blockArrowId6<["Label"]>(y)
  blockArrowId7<["Label"]>(x, down)
  %% yaaah...
  blockArrowId7<["Label"]>(xdowny)

  %% error
  id1[("Database"))
  blockArrowId7<[]>( x, down, righ)
  
  style B fill:#969,stroke:#333,stroke-width:4px