Features

Allowing chaining of nodes in flowcharts.

graph TB
  a --> b --> c

Bug fixes:

• Fix for numbers in nodes in subgraphs as per #918
• Making it possieble to use underscore in labels in vertices as per #915
• Better handling of nodes whos ids are starting with a number. #914
• Backwards compatible syntax for associating a class with a node. #835

graph TB
  a --> b:::theClass

  classDef theClass fill:#0f0,stroke:#333,stroke-width:3px;