MakeRelativeLinkFromURL (open)
Convert an absolute URL to a relative one, if at all possible
Syntax
LOADLIB "wh::internet/urls.whlib";
STRING FUNCTION MakeRelativeLinkFromURL(STRING current_url, STRING convert_url, STRING scope)
Parameters
STRING current_url
Current page URL
STRING convert_url
URL to try to convert to a relatve
STRING scope
Optional: scope within which to make the URL relative ("", "protocol" or "root")
Return value
STRING
Relative URL, if it was possible to make it. Otherwise, this function returns the original 'convert_url'