anchor.diff:          (when-let (ctype (find extension ctypes :test #'class-name-p))
             (call-next-method status path :ctype ctype))))))
   
  -;; TODO: We should check to see if a *new* tag or month exists
  -;; and create an index appropriately. If the last content from a
  -;; given month or with a given tag is deleted, delete the index.
  -;; Unfortunately, the tag/month links won't be updated on all
  -;; tag/month indexes since we only regenerate them for new posts.
  +;; TODO: If the last content from a given month or with a given tag
  +;; is deleted, delete the index. Unfortunately, the tag/month links
  +;; won't be updated on all indexes since we only regenerate them for new posts.
   
   (defmethod process-change ((status (eql :deleted)) path &key)
     (let* ((old (find-content-by-path path))
  
positive.code: 
  ;;;; Utils
  
  (defun find-tag-index (tag)
    (find (tag-slug tag) (find-all 'tag-index) :key #'index-slug :test #'equal))
  
  
negative.code: ;;      as staging-dir in coleslaw's config prior to enabling incremental builds
  ;;   D) to further simplify *my* life, we assume the date of a piece of content
  ;;      will never be changed retroactively, only its tags
  ;;
  ;; We're gonna be a bit dirty here and monkey patch. The compilation model
  ;; still isn't an "exposed" part of Coleslaw. After some experimentation maybe
  ;; we'll settle on an interface.
  
  