Add support for specifying optional node URL and tooltip text

stanch / reftree

Automatically generated diagrams and animations for Scala data structures

http://stanch.github.io/reftree/

GNU General Public License v3.0

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Open NicolasRouquette opened 5 years ago

NicolasRouquette commented 5 years ago

For SVG output, the dot language supports specifying a URL link for a node. See: https://graphviz.gitlab.io/_pages/doc/info/attrs.html#d:URL

Since the node label is a table, the tooltip shows "

" if there is no anchor. For such cases, it would be helpful to override the tooltip.