- [fediverse] stripped footnote reference in body of the quoted text, when replying.

src/html-utils.lisp

@@ -116,6 +116,24 @@
 
 (defparameter *ordered-list-item-number* 0)
 
+(defun append-footnote-reference (text reference-number)
+  (strcat text
+          (format nil
+                  "~a~a"
+                  #\ZERO_WIDTH_SPACE
+                  (number->superscripts reference-number))))
+
+(defun footnote-reference-re (&key (enforce-end-string t))
+  (format nil
+          "~a[~a]+~@[$~]"
+          #\ZERO_WIDTH_SPACE
+          +digits-superscripts+
+          enforce-end-string))
+
+(let ((scanner (cl-ppcre:create-scanner (footnote-reference-re))))
+  (defun strip-footnote-reference (word)
+    (cl-ppcre:regex-replace scanner word "")))
+
 (defun html->text (html &key
                           (add-link-footnotes t) (body-footnotes-separator "")
                           (quote-prefix "> ") (list-item-prefix "* "))
@@ -160,10 +178,8 @@ Some convenience functions are provided to works with these structures.
                                         link-count))
                             (descend-children node)
                             (when add-link-footnotes
-                              (format body-stream
+                              (write-string (append-footnote-reference "" link-count)
-                                      "~a~a "
+                                            body-stream))))
-                                      #\ZERO_WIDTH_SPACE
-                                      (number->superscripts link-count)))))
                          ((tag= +tag-break+ node)
                           (let ((*block-tag* nil))
                             (format body-stream "~%")

src/message-rendering-utils.lisp

@@ -37,8 +37,10 @@
           first-mention)))))
 
 (defun line-find-all-usernames (message-line)
-  (let ((words (split-words message-line)))
+  (let ((words                 (split-words message-line))
-    (mapcar (lambda (a) (subseq a (length +mention-prefix+))) ; remove the @
+        (mention-prefix-length (length +mention-prefix+)))
+    (mapcar (lambda (a)
+              (html-utils:strip-footnote-reference (subseq a mention-prefix-length))) ; remove the @
             (remove-if-not (lambda (word)
                              (cl-ppcre:scan (strcat "^" +mention-prefix+) word))
                            words))))
@@ -59,11 +61,14 @@
             usernames)))
 
 (defun local-mention->acct (text-line usernames-table)
-  "Substitute in  `text-line' '@user' with '@user@server',  if '@user'
+  "Substitute in `text-line' '@user' with '@user@server', if '@user'
   is found as key in the alist `usernames-table'"
   (let ((results text-line))
     (loop for (local-mention . actual-mention) in usernames-table do
-      (let ((local-mention-re (strcat "(\\s|^)" local-mention)))
+      (let ((local-mention-re (strcat "(\\s|^)"
+                                      local-mention
+                                      (html-utils:footnote-reference-re :enforce-end-string nil))))
+        (misc:dbg "table ~a" local-mention-re)
         (setf results (regex-replace-all local-mention-re
                                          results
                                          (strcat " " actual-mention)))))

src/package.lisp

@@ -453,6 +453,7 @@
   (:export
    :+float-regexp+
    :+integer-regexp+
+   :+digits-superscripts+
    :*blanks*
    :uchar-length
    :starts-with-prefix-p
@@ -526,6 +527,9 @@
    :find-tag
    :position-tag
    :node->link
+   :append-footnote-reference
+   :strip-footnote-reference
+   :footnote-reference-re
    :html->text))
 
 (defpackage :resources-utils