Rewrite all urls in this rule, recursively
LOADLIB "wh::filetypes/css.whlib"; MACRO RewriteURLs(FUNCTION PTR rewriter, RECORD options)
FUNCTION PTR rewriter
If set, rewrite URLs by this function. Resolving to absolute urls is done first. Signature: STRING FUNCTION func(STRING)
IF set, all relative urls are resolved to absolute urls, computed relative to this url.