includes/Linker.php for Linker::makeImageLink
&$time: Timestamp of file in 'YYYYMMDDHHIISS' string form, or false for current
&$res: Final HTML output, used if you return false
+$parser: Parser instance
+&$query: Query params for desc URL
+&$widthOption: Used by the parser to remember the user preference thumbnailsize
'ImageOpenShowImageInlineBefore': Call potential extension just before showing
the image on an image page.