Help system/Substitution codes

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These substitution codes are available to customise the Help system URLs:

Code Description
{app} Application name (e.g. "Administrator" in the Joomla CMS Backend)
{component} Component name (e.g. "com_content" in the Article Manager)
{keyref} Help screen key reference (after passing through the translation system)
{major} Joomla major revision number (e.g. "1" in Joomla 1.6).
{minor} Joomla minor revision number (e.g. "6" in Joomla 1.6)
{maintenance} Joomla maintenance revision number (e.g. "3" in Joomla 1.6.3).
{language} Full language code (e.g. "en-GB")
{langcode} Language tag part of the language code (e.g. "en" if the full code is "en-GB")
{langregion} Region tag part of the language code (e.g. "GB" if the full code is "en-GB")