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PARENTBC -- parent breadcrumbs for headings

• Add %PARENTBC% to a heading of a topic to show the breadcrumb of its parents. Parent topics are linked, topic names are shown spaced out in a smaller font, and are separated by » quotes. In addition, a parentlist SetGetPlugin variable is set to the parent list, and a parent variable is set to the immediate parent. This can be retrieved later in the topic using %GET{parentlist}% and %GET{parent}%, respectively.
• Syntax: %PARENTBC%
• Example raw text:
  ---+ %PARENTBC% Myself and me
• Expands to:

  Grandma And Granpa » Mother And Father » Myself and me

• Type: Preference variable - TWikiRenderingShortcut.
• Category: FormattingAndRenderingVariables
• Related: BB, BB2, BB3, BB4, BR, BULLET, LAQUO, NBSP, PARENTTOPIC, RAQUO, VBAR, TWikiPreferences rendering shortcuts