'BeforeParserFetchFileAndTitle': Before an image is rendered by Parser.
$parser: Parser object
$nt: the image title
-&$options: array of options to RepoGroup::findFile
+&$options: array of options to RepoGroup::findFile. If it contains 'broken'
+ as a key then the file will appear as a broken thumbnail.
&$descQuery: query string to add to thumbnail URL
-FIXME: Where does the below sentence fit in?
-If 'broken' is a key in $options then the file will appear as a broken thumbnail.
-
'BeforeParserFetchTemplateAndtitle': Before a template is fetched by Parser.
$parser: Parser object
$title: title of the template