Exporting footnotes - Ethan Glasser-Camp

From: Ethan Glasser-Camp <glasse@cs.rpi.edu>
To: emacs-orgmode@gnu.org
Subject: Exporting footnotes
Date: Sun, 30 Jan 2011 04:00:21 -0500	[thread overview]
Message-ID: <4D4528A5.1020700@cs.rpi.edu> (raw)

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Hi list,

I've been playing with the HTML export and it's pretty cool. I just have 
one quibble, which is that footnotes are always put at the end of the 
document. I'd like them to be at the end of each item, which is where I 
put them in my org file -- i.e. I've set org-footnote-section to nil.

I poked around in the code and it looks like the footnotes are being 
normalized, and the normalization function is putting them all at the 
end of the document. Normalization is necessary for the names of 
footnotes, but I think it is too aggressive about moving footnotes. Are 
there exporters for which collecting footnotes in one place is 
necessary? I think org-export-as-html could handle keeping the footnotes 
where they are with minimal changes.

Attached is a sketchy patch that does what I want. It's an ugly hack. 
What do you think?

Thanks.

Ethan


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diff --git a/lisp/org-exp.el b/lisp/org-exp.el
index a055bac..99b3a64 100644
--- a/lisp/org-exp.el
+++ b/lisp/org-exp.el
@@ -1094,7 +1094,9 @@ on this string to produce the exported version."
 
       ;; Normalize footnotes
       (when (plist-get parameters :footnotes)
-	(org-footnote-normalize nil t))
+	(if htmlp
+	    (org-footnote-normalize nil org-footnote-section)
+	  (org-footnote-normalize nil t)))
 
       ;; Find all headings and compute the targets for them
       (setq target-alist (org-export-define-heading-targets target-alist))
diff --git a/lisp/org-footnote.el b/lisp/org-footnote.el
index 88ffd6e..027856e 100644
--- a/lisp/org-footnote.el
+++ b/lisp/org-footnote.el
@@ -478,14 +478,24 @@ referenced sequence."
 	      (not sort-only)	     ; this is normalization
 	      for-preprocessor)       ; the is the preprocessor
 	  ;; Insert the footnotes together in one place
-	  (progn
-	    (setq def
-		  (mapconcat
-		   (lambda (x)
-		     (format "[%s] %s" (nth (if sort-only 0 1) x)
-			     (org-trim (nth 2 x))))
-		   ref-table "\n\n"))
-	    (if ref-table (insert "\n" def "\n\n")))
+	  (if for-preprocessor
+	      (progn
+		(message "%s" ref-table)
+		(setq def
+		      (mapconcat
+		       (lambda (x)
+			 (format "[%s] %s" (nth (if sort-only 0 1) x)
+				 (org-trim (nth 2 x))))
+		       ref-table "\n\n"))
+		(if ref-table (insert "\n" def "\n\n")))
+	    (mapc (lambda (entry)
+		    (when (car entry)
+		      (goto-char (point-min))
+		      (when (re-search-forward (format ".\\[%s[]:]" (regexp-quote (nth 1 entry)))
+					       nil t)
+			(org-footnote-goto-local-insertion-point)
+			(insert (format "\n\n[%s] %s" (nth 1 entry) (nth 2 entry))))))
+		  ref-table))
 	;; Insert each footnote near the first reference
 	;; Happens only in Org files with no special footnote section,
 	;; and only when doing sorting
diff --git a/lisp/org-html.el b/lisp/org-html.el
index 9a5d225..3dedab9 100644
--- a/lisp/org-html.el
+++ b/lisp/org-html.el
@@ -1676,16 +1676,19 @@ lang=\"%s\" xml:lang=\"%s\">
       ;; the </div> to close the last text-... div.
       (when (and (> umax 0) first-heading-pos) (insert "</div>\n"))
 
-      (save-excursion
-	(goto-char (point-min))
-	(while (re-search-forward "<p class=\"footnote\">[^\000]*?\\(</p>\\|\\'\\)" nil t)
-	  (push (match-string 0) footnotes)
-	  (replace-match "" t t)))
-      (when footnotes
-	(insert (format org-export-html-footnotes-section
-			(nth 4 lang-words)
-			(mapconcat 'identity (nreverse footnotes) "\n"))
-		"\n"))
+      (when org-footnote-section
+	;; Move all the footnotes into a footnotes section
+	(save-excursion
+	  (goto-char (point-min))
+	  (while (re-search-forward "<p class=\"footnote\">[^\000]*?\\(</p>\\|\\'\\)" nil t)
+	    (push (match-string 0) footnotes)
+	    (replace-match "" t t)))
+	(when footnotes
+	  (insert (format org-export-html-footnotes-section
+			  (nth 4 lang-words)
+			  (mapconcat 'identity (nreverse footnotes) "\n"))
+		  "\n")))
+
       (let ((bib (org-export-html-get-bibliography)))
 	(when bib
 	  (insert "\n" bib "\n")))

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