$v:toc-open

$v:toc-open — Persistent ToC open button.

Variable:

{http://docbook.org/ns/docbook/variables}toc-open

Defined in:

modules/variable.xsl

Used in:

modules/chunk-output.xsl

Synopsis

  |<xsl:variable name="v:toc-open"
  |               as="element()">
  |   <span>[toc]</span>
  |</xsl:variable>

The contents of this variable will be rendered as the “open” icon for the persistent ToC.