Template:Yearly archive list/doc

This template returns a list of existing archive sub-pages with names that end in a four-digit year (starting at 2003). The list is in short format, i.e. just the four-digit years, separated by commas or sep. Each year is linked to the matching archive. All entries are on a single line with no line breaks, in a format suitable to pass to parameter list of Template:archives. Makes use of Template:Yearly archive list/display, Template:For loop and Module:string.