Added describe_ext tag to list of ignored tag names
Added documentation for node finder extension
Fixed check for missing extensions
Added documentation for link_definitions extension
Added link definition for tags
Added documentation for context_modules extension
Added statcounter tracking code
Fixed tag template to correctly display mandatory options
Fixed some dangling links
Fixed spelling of headings
Now using correct names for all extension page titles
Added link definition for 'node finder'
Updated features page with links to the named extensions
Fixed spelling of i.e.
Added request for reporting errors on the website
Fixed order of extension listings
Added links to documented extensions to the extension index page