HIERARCHICALSELECT{ attributes } -- display hierarchical multi-level drop-down menus

• The %HIERARCHICALSELECT{}% variable is handled by the HierarchicalSelectPlugin.
• Syntax: %HIERARCHICALSELECT{ topic="MenuDefinition" ... }%
• Parameters:

  Parameter	Description	Default
  topic	Topic from which to read the menu definition	(required)
  web	Web from which to read the menu definition	current web
  key	String to use as the basis for naming of HTML form elements	Derived from menu topic
  level	If specified, select a menu level (integer starting from 0) to display	All levels
  parse_keywords	Flag: Nonzero sets parsing mode where first word of menu line is return-value keyword, remainder is text to display	Entire line used as both return value and display text

• Example with three levels:
  %HIERARCHICALSELECT{ web="TWiki" topic="HierarchicalSelectPluginExample" level="0" names="country,subdivision,region" }%
%HIERARCHICALSELECT{ web="TWiki" topic="HierarchicalSelectPluginExample" level="1" }%
%HIERARCHICALSELECT{ web="TWiki" topic="HierarchicalSelectPluginExample" level="2" }%
• Category: DatabaseAndFormsVariables, FormattingAndRenderingVariables, UIAndVisualizationVariables
• Related: HierarchicalSelectPlugin, HierarchicalSelectPluginExample, TWikiTemplates