fix <small> rendering </small> and make it multi-line

sharkey.el

@@ -7,7 +7,7 @@
   (mastodon-instance-url "https://talk.marq42.xyz")
   (mastodon-tl--show-avatars t)
   (mastodon-toot--enable-custom-instance-emoji t)
-  (mastodon-use-emojify)
+  (mastodon-use-emojify t)
   :demand)
 
 ;; 日本語
@@ -16,7 +16,7 @@
 
 ;; let's start by making :rena: render as the rena.webp image...
 
-:neocat_pat_floof:
+:neocat_pat_floof::3:
 (defvar sharkey/emoji-cache-dir "~/.emoji"
   "Directory under which to store fedi emoji cache.")
 (defun sharkey--emoji-cache (name &optional instance)
@@ -69,8 +69,9 @@ returns nil if such an emoji does not exist."
 	(overlay-put ov 'modification-hooks
 		     (list 'org-display-inline-remove-overlay))))))
 (defvar sharkey/small-rx
+  ;; this might display a bit weird... sorgy
   (rx (group-n 1 "<small>")
-      (group-n 2 (+ any))
+      (group-n 2 (+? (or "\n" any)))
       (group-n 3 "</small>")))
 (defun next-small-overlay (&optional limit)
   "logic from `next-emoji-overlay' but for mfm <small></small> tag."
@@ -87,30 +88,56 @@ returns nil if such an emoji does not exist."
 	   (text (buffer-substring text-beg text-end))
 	   (text-ov (make-overlay text-beg text-end))
 	   )
-      ;; (overlay-put openr-ov 'display "")
-      ;; (overlay-put close-ov 'display "")
-      (put-text-property openr-beg openr-end 'invisible t)
-      (put-text-property close-beg close-end 'invisible t)
-      (overlay-put text-ov 'help-echo text)
-      (overlay-put text-ov 'display '(height 0.8))
+      (overlay-put openr-ov 'display "")
+      (overlay-put close-ov 'display "")
+      ;; (put-text-property openr-beg openr-end 'invisible t)
+      ;; (put-text-property close-beg close-end 'invisible t)
+      ;; (overlay-put text-ov 'help-echo text)
+      ;; (put-text-property text-beg text-end 'display '(height 0.8))
+      (overlay-put placehoverlay 'display '(height 0.8))
       (overlay-put placehoverlay 'modification-hooks
+		   (list
+		    'mir/remove-all-overlays
+		    'org-display-inline-remove-overlay))
+      (overlay-put openr-ov 'modification-hooks
+		   (list 'org-display-inline-remove-overlay))
+      (overlay-put close-ov 'modification-hooks
 		   (list 'org-display-inline-remove-overlay))
 	;; (overlay-put openr-ov 'org-image-overlay t)
 	;; (overlay-put close-ov 'org-image-overlay t)
 	;; (overlay-put text-ov  'org-image-overlay t)
       )))
+(defun mir/remove-all-overlays (&optional overlay nyl beg end)
+  "Delete all overlays resting on current line."
+  ;; (message "%s" throwaway)
+  ;; ^^^--> list of overlay, nil, bounds
+  (let* ((start-bound (or beg (pos-bol)))
+	 (end-bound (or end (pos-eol))))
+    (--map
+     (mapcar #'delete-overlay (overlays-at it))
+     (number-sequence start-bound end-bound)))
+  nil)
+(defun mir/overlay-bounds (overlay)
+  "Return a cons of `(start . end)' for OVERLAY."
+  (cons
+   (overlay-start overlay)
+   (overlay-end overlay)))
 (defface mfm-delimiter-invis-face
   '((t (:string "")))
   "Face for misskey markdown elements such as <small> type stuff.")
 
-;; <small>this :neofox is smol</small>
+;; the fact is, <small>this :neofox: is smol</small
+;; <small>this :neocat: is also smol</small> apparently
+;; <small>
+;; this comment is entirely small
+; </small>
 
 (font-lock-add-keywords
  nil					; this must needs be nil
  `((next-emoji-overlay (0  'font-lock-keyword-face t))
-   ;; (next-small-overlay (0  'font-lock-keyword-face t))
-   (,sharkey/small-rx 1 'mfm-delimiter-invis-face t)
-   (,sharkey/small-rx 3 'mfm-delimiter-invis-face t)
+   (next-small-overlay (0  'font-lock-keyword-face t))
+   ;; (,sharkey/small-rx 1 'mfm-delimiter-invis-face t)
+   ;; (,sharkey/small-rx 3 'mfm-delimiter-invis-face t)
    ) t)
 
 (define-minor-mode fedimoji-mode