TOPICURL -- shortcut to viewing the current topic

• This variable always expands to an url pointing to the current base topic.
• Type: Preference variable - TWikiRenderingShortcut.
• Syntax: %TOPICURL% - shortcut for %SCRIPTURL{view}%/%WEB%/%TOPIC%
• Expands to: https://wiki.gnhlug.org/TWiki/VarTOPICURL
• Category: SystemInformationVariables
• Related: SCRIPTURL, TOPIC, WEB, TWikiPreferences rendering shortcuts