From d8ab62d791846870452438882c69ac84d35d58c7 Mon Sep 17 00:00:00 2001
From: Craig Jennings <c@cjennings.net>
Date: Thu, 21 Aug 2025 19:22:27 -0500
Subject: tufte.css inlined for org to html export

- adding test.org and tufte.css for html exports
- removed ox-pandoc from org-export-config
- adjusted org-export-config to inline tufte.css instead of the default org css
---
 modules/org-export-config.el | 80 +++++++++++++++++++++++++++++++++-----------
 1 file changed, 60 insertions(+), 20 deletions(-)

(limited to 'modules')

diff --git a/modules/org-export-config.el b/modules/org-export-config.el
index d451dd6f..6e4db7e8 100644
--- a/modules/org-export-config.el
+++ b/modules/org-export-config.el
@@ -19,9 +19,7 @@
 				  ox-icalendar
 				  ox-latex
 				  ox-md
-				  ox-odt
-				  ox-texinfo
-				  ox-man))
+				  ox-odt))
 	(require feat))
 
   ;; now tell Org exactly which backends to use
@@ -29,32 +27,27 @@
 		'(ascii
 		  beamer
 		  html
-		  icalendar
 		  latex
 		  md
-		  odt
-		  org
-		  texinfo
-		  man))
+		  odt))
 
   ;; Other Settings
-  (setq org-export-coding-system 'utf-8)        ;; force utf-8 in org
-  (setq org-export-headline-levels 6)           ;; export headlines 6 levels deep
-  (setq org-export-initial-scope 'subtree)      ;; export the current subtree by default
-  (setq org-export-with-author nil)             ;; export without author by default
-  (setq org-export-with-section-numbers nil)    ;; export without section numbers by default
-  (setq org-export-with-tags nil)               ;; export without tags by default
-  (setq org-export-with-tasks '("TODO"))        ;; export with tasks by default
-  (setq org-export-with-toc nil))               ;; export without table of contents by default
+  (setq org-export-preserve-breaks t)        ;; keep line breaks in all Org export back-ends
+  (setq org-export-coding-system 'utf-8)     ;; force utf-8 in org
+  (setq org-export-headline-levels 6)        ;; export headlines 6 levels deep
+  (setq org-export-initial-scope 'subtree)   ;; export the current subtree by default
+  (setq org-export-with-author nil)          ;; export without author by default
+  (setq org-export-with-section-numbers nil) ;; export without section numbers by default
+  (setq org-export-with-tags nil)            ;; export without tags by default
+  (setq org-export-with-tasks '("TODO"))     ;; export with tasks by default
+  ;;  (setq org-export-with-tasks nil)           ;; export WITHOUT tasks by default
+  ;;  (setq org-export-with-toc nil)             ;; export without table of contents by default
+  (setq org-export-with-toc t))              ;; export WITH table of contents by default
 
 ;; hugo markdown
 (use-package ox-hugo
   :after ox)
 
-;; export via pandoc
-(use-package ox-pandoc
-  :after ox)
-
 ;; github flavored markdown
 (use-package ox-gfm
   :after ox)
@@ -73,5 +66,52 @@
 ;; (use-package ox-confluence
 ;;   :after ox)
 
+;; ------------------------------- Org Tufte CSS -------------------------------
+;; Hacks to inline a superior tufte.css style sheet into your generated html files.
+
+;;
+;; Inline tufte.css into all generated HTML documents
+;; Note: the tufte.css file in my configuration has an extra style for
+;; TODO and DONE task items.
+;;
+
+(defun cj/org-inline-css (path)
+  "Return the contents of the file at PATH as a string.
+If the file doesn’t exist, return an empty string."
+  (if (file-readable-p path)
+	  (with-temp-buffer
+		(insert-file-contents path)
+		(buffer-string))
+	(progn
+	  (message "[org-inline-css] could not read %s" path)
+	  "")))
+
+(with-eval-after-load 'ox-html
+  ;; Disable the postamble (footer) completely:
+  (setq org-html-postamble nil)
+
+  ;; inject tufte.css from the assets folder.
+  (setq org-html-html5-fancy              t
+		org-html-head-include-default-style nil
+		org-html-head-extra
+		(let* ((css-file (expand-file-name "assets/tufte.css"
+										   user-emacs-directory))
+			   (css      (cj/org-inline-css css-file)))
+		  (format "<style type=\"text/css\">\n%s\n</style>" css))))
+;;
+;; Don't allow Table of Contents to link to TODO items
+;;
+(defun cj/org-html-toc-remove-todo (toc-entry backend _info)
+  "Remove any <span class=\"todo …\">TODO</span> from a single TOC entry."
+  (when (eq backend 'html)
+    (replace-regexp-in-string
+     "<span class=\"todo [^\"]*\">[^<]*</span>[[:space:]]*"
+     "" toc-entry)))
+
+(with-eval-after-load 'ox-html
+  ;; register our filter so each TOC line is run through it
+  (add-hook 'org-export-filter-toc-entry-functions
+            #'cj/org-html-toc-remove-todo))
+
 (provide 'org-export-config)
 ;;; org-export-config.el ends here.
-- 
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