Can't export with tecosaur+karthink's org-mode when LaTeX fragments are present

[xaltsc]

Hey,

I am using this branch https://code.tecosaur.net/tec/org-mode/commit/cd2269ddb64bda7203acf2ee2e26188237a578ea of org-mode which improves latex previews. It seems to be currently impossible to export files with LaTeX fragments.

In my case, the error I get is that org-export-with-buffer-copy is an invalid function (even though the only difference I can find between mainline org and their branch is that this function has been deprecated).

Here is a backtrace:

Debugger entered--Lisp error: (invalid-function org-export-with-buffer-copy)
  org-export-with-buffer-copy(:to-buffer #<buffer  *Org HTML Export LaTeX*> :drop-visibility t :drop-narrowing t :drop-contents t nil nil nil "\\(X\\)")
  org-html-format-latex("$X$" mathjax (:export-options nil :back-end #s(org-export-backend :name hugo :parent blackfriday :transcoders ((code . org-hugo-kbd-tags-maybe) (drawer . org-hugo-drawer) (example-block . org-hugo-example-block) (export-block . org-hugo-export-block) (export-snippet . org-hugo-export-snippet) (headline . org-hugo-heading) (inner-template . org-hugo-inner-template) (inline-src-block . org-hugo-inline-src-block) (keyword . org-hugo-keyword) (link . org-hugo-link) (paragraph . org-hugo-paragraph) (src-block . org-hugo-src-block) (special-block . org-hugo-special-block)) :options ((:with-toc nil "toc" org-hugo-export-with-toc) (:section-numbers nil "num" org-hugo-export-with-section-numbers) (:author "AUTHOR" nil user-full-name newline) (:creator "CREATOR" nil org-hugo-export-creator-string) (:with-smart-quotes nil "'" nil) (:with-special-strings nil "-" nil) (:with-sub-superscript nil "^" ...) (:hugo-with-locale "HUGO_WITH_LOCALE" nil nil) (:hugo-front-matter-format "HUGO_FRONT_MATTER_FORMAT" nil org-hugo-front-matter-format) (:hugo-level-offset "HUGO_LEVEL_OFFSET" nil "1") (:hugo-preserve-filling "HUGO_PRESERVE_FILLING" nil org-hugo-preserve-filling) (:hugo-delete-trailing-ws "HUGO_DELETE_TRAILING_WS" nil org-hugo-delete-trailing-ws) (:hugo-section "HUGO_SECTION" nil org-hugo-section) (:hugo-bundle "HUGO_BUNDLE" nil nil) (:hugo-base-dir "HUGO_BASE_DIR" nil org-hugo-base-dir) (:hugo-base-dir "HUGO_BASE_CONTENT_FOLDER" nil org-hugo-content-folder) (:hugo-goldmark "HUGO_GOLDMARK" nil org-hugo-goldmark) (:hugo-code-fence "HUGO_CODE_FENCE" nil t) (:hugo-use-code-for-kbd "HUGO_USE_CODE_FOR_KBD" nil org-hugo-use-code-for-kbd) (:hugo-prefer-hyphen-in-tags "HUGO_PREFER_HYPHEN_IN_TAGS" nil org-hugo-prefer-hyphen-in-tags) (:hugo-allow-spaces-in-tags "HUGO_ALLOW_SPACES_IN_TAGS" nil org-hugo-allow-spaces-in-tags) (:hugo-auto-set-lastmod "HUGO_AUTO_SET_LASTMOD" nil org-hugo-auto-set-lastmod) (:hugo-custom-front-matter "HUGO_CUSTOM_FRONT_MATTER" nil nil space) (:hugo-blackfriday "HUGO_BLACKFRIDAY" nil nil space) (:hugo-front-matter-key-replace "HUGO_FRONT_MATTER_KEY_REPLACE" nil nil space) (:hugo-date-format "HUGO_DATE_FORMAT" nil org-hugo-date-format) (:hugo-paired-shortcodes "HUGO_PAIRED_SHORTCODES" nil org-hugo-paired-shortcodes space) (:hugo-pandoc-citations "HUGO_PANDOC_CITATIONS" nil nil) (:bibliography "BIBLIOGRAPHY" nil nil newline) (:html-container "HTML_CONTAINER" nil org-hugo-container-element) (:html-container-class "HTML_CONTAINER_CLASS" nil "") (:html-container-nested "HTML_CONTAINER_NESTED" nil nil) ...) :filters ((:filter-body . org-hugo-body-filter)) :blocks nil :menu (72 "Export to Hugo-compatible Markdown" (... ... ... ... ... ...)) :feature-conditions nil :feature-implementations nil) :translate-alist ((code . org-hugo-kbd-tags-maybe) (drawer . org-hugo-drawer) (example-block . org-hugo-example-block) (export-block . org-hugo-export-block) (export-snippet . org-hugo-export-snippet) (headline . org-hugo-heading) (inner-template . org-hugo-inner-template) (inline-src-block . org-hugo-inline-src-block) (keyword . org-hugo-keyword) (link . org-hugo-link) (paragraph . org-hugo-paragraph) (src-block . org-hugo-src-block) (special-block . org-hugo-special-block) (center-block . org-blackfriday-center-block) (example-block . org-blackfriday-example-block) (fixed-width . org-blackfriday-fixed-width) (footnote-reference . org-blackfriday-footnote-reference) (inner-template . org-blackfriday-inner-template) (italic . org-blackfriday-italic) (item . org-blackfriday-item) (latex-environment . org-blackfriday-latex-environment) (latex-fragment . org-blackfriday-latex-fragment) (line-break . org-html-line-break) (plain-list . org-blackfriday-plain-list) (plain-text . org-blackfriday-plain-text) (quote-block . org-blackfriday-quote-block) (radio-target . org-blackfriday-radio-target) (special-block . org-blackfriday-special-block) (src-block . org-blackfriday-src-block) (strike-through . org-blackfriday-strike-through) (table-cell . org-blackfriday-table-cell) (table-row . org-blackfriday-table-row) ...) :exported-data #<hash-table eq 11/4001 0x6fa913 ...> :input-buffer "20221118190112-artins-lemma.org" :input-file "/home/ax/docs/20-work/25-notes/20221118190112-artins-lemma.org" :with-toc nil :section-numbers nil :author "Alexandre " :creator "Emacs 31.0.50 (Org mode 9.7.11 + ox-hugo)" :with-smart-quotes nil :with-special-strings nil :with-sub-superscript {} :hugo-with-locale nil :hugo-front-matter-format "yaml" :hugo-level-offset "1" ...))
  org-blackfriday-latex-fragment((latex-fragment (:standard-properties [217 nil nil nil 221 1 nil nil nil nil nil nil nil nil #<buffer 20221118190112-artins-lemma.org<2>> nil nil (paragraph ... ... #1 ... ... ... ... ...)] :value "$X$")) nil (:export-options nil :back-end #s(org-export-backend :name hugo :parent blackfriday :transcoders ((code . org-hugo-kbd-tags-maybe) (drawer . org-hugo-drawer) (example-block . org-hugo-example-block) (export-block . org-hugo-export-block) (export-snippet . org-hugo-export-snippet) (headline . org-hugo-heading) (inner-template . org-hugo-inner-template) (inline-src-block . org-hugo-inline-src-block) (keyword . org-hugo-keyword) (link . org-hugo-link) (paragraph . org-hugo-paragraph) (src-block . org-hugo-src-block) (special-block . org-hugo-special-block)) :options ((:with-toc nil "toc" org-hugo-export-with-toc) (:section-numbers nil "num" org-hugo-export-with-section-numbers) (:author "AUTHOR" nil user-full-name newline) (:creator "CREATOR" nil org-hugo-export-creator-string) (:with-smart-quotes nil "'" nil) (:with-special-strings nil "-" nil) (:with-sub-superscript nil "^" ...) (:hugo-with-locale "HUGO_WITH_LOCALE" nil nil) (:hugo-front-matter-format "HUGO_FRONT_MATTER_FORMAT" nil org-hugo-front-matter-format) (:hugo-level-offset "HUGO_LEVEL_OFFSET" nil "1") (:hugo-preserve-filling "HUGO_PRESERVE_FILLING" nil org-hugo-preserve-filling) (:hugo-delete-trailing-ws "HUGO_DELETE_TRAILING_WS" nil org-hugo-delete-trailing-ws) (:hugo-section "HUGO_SECTION" nil org-hugo-section) (:hugo-bundle "HUGO_BUNDLE" nil nil) (:hugo-base-dir "HUGO_BASE_DIR" nil org-hugo-base-dir) (:hugo-base-dir "HUGO_BASE_CONTENT_FOLDER" nil org-hugo-content-folder) (:hugo-goldmark "HUGO_GOLDMARK" nil org-hugo-goldmark) (:hugo-code-fence "HUGO_CODE_FENCE" nil t) (:hugo-use-code-for-kbd "HUGO_USE_CODE_FOR_KBD" nil org-hugo-use-code-for-kbd) (:hugo-prefer-hyphen-in-tags "HUGO_PREFER_HYPHEN_IN_TAGS" nil org-hugo-prefer-hyphen-in-tags) (:hugo-allow-spaces-in-tags "HUGO_ALLOW_SPACES_IN_TAGS" nil org-hugo-allow-spaces-in-tags) (:hugo-auto-set-lastmod "HUGO_AUTO_SET_LASTMOD" nil org-hugo-auto-set-lastmod) (:hugo-custom-front-matter "HUGO_CUSTOM_FRONT_MATTER" nil nil space) (:hugo-blackfriday "HUGO_BLACKFRIDAY" nil nil space) (:hugo-front-matter-key-replace "HUGO_FRONT_MATTER_KEY_REPLACE" nil nil space) (:hugo-date-format "HUGO_DATE_FORMAT" nil org-hugo-date-format) (:hugo-paired-shortcodes "HUGO_PAIRED_SHORTCODES" nil org-hugo-paired-shortcodes space) (:hugo-pandoc-citations "HUGO_PANDOC_CITATIONS" nil nil) (:bibliography "BIBLIOGRAPHY" nil nil newline) (:html-container "HTML_CONTAINER" nil org-hugo-container-element) (:html-container-class "HTML_CONTAINER_CLASS" nil "") (:html-container-nested "HTML_CONTAINER_NESTED" nil nil) ...) :filters ((:filter-body . org-hugo-body-filter)) :blocks nil :menu (72 "Export to Hugo-compatible Markdown" (... ... ... ... ... ...)) :feature-conditions nil :feature-implementations nil) :translate-alist ((code . org-hugo-kbd-tags-maybe) (drawer . org-hugo-drawer) (example-block . org-hugo-example-block) (export-block . org-hugo-export-block) (export-snippet . org-hugo-export-snippet) (headline . org-hugo-heading) (inner-template . org-hugo-inner-template) (inline-src-block . org-hugo-inline-src-block) (keyword . org-hugo-keyword) (link . org-hugo-link) (paragraph . org-hugo-paragraph) (src-block . org-hugo-src-block) (special-block . org-hugo-special-block) (center-block . org-blackfriday-center-block) (example-block . org-blackfriday-example-block) (fixed-width . org-blackfriday-fixed-width) (footnote-reference . org-blackfriday-footnote-reference) (inner-template . org-blackfriday-inner-template) (italic . org-blackfriday-italic) (item . org-blackfriday-item) (latex-environment . org-blackfriday-latex-environment) (latex-fragment . org-blackfriday-latex-fragment) (line-break . org-html-line-break) (plain-list . org-blackfriday-plain-list) (plain-text . org-blackfriday-plain-text) (quote-block . org-blackfriday-quote-block) (radio-target . org-blackfriday-radio-target) (special-block . org-blackfriday-special-block) (src-block . org-blackfriday-src-block) (strike-through . org-blackfriday-strike-through) (table-cell . org-blackfriday-table-cell) (table-row . org-blackfriday-table-row) ...) :exported-data #<hash-table eq 11/4001 0x6fa913 ...> :input-buffer "20221118190112-artins-lemma.org" :input-file "/home/ax/docs/20-work/25-notes/20221118190112-artins-lemma.org" :with-toc nil :section-numbers nil :author "Alexandre " :creator "Emacs 31.0.50 (Org mode 9.7.11 + ox-hugo)" :with-smart-quotes nil :with-special-strings nil :with-sub-superscript {} :hugo-with-locale nil :hugo-front-matter-format "yaml" :hugo-level-offset "1" ...))
  org-export-data((latex-fragment (:standard-properties [217 nil nil nil 221 1 nil nil nil nil nil nil nil nil #<buffer 20221118190112-artins-lemma.org<2>> nil nil (paragraph ... ... #1 ... ... ... ... ...)] :value "$X$")) (:export-options nil :back-end #s(org-export-backend :name hugo :parent blackfriday :transcoders ((code . org-hugo-kbd-tags-maybe) (drawer . org-hugo-drawer) (example-block . org-hugo-example-block) (export-block . org-hugo-export-block) (export-snippet . org-hugo-export-snippet) (headline . org-hugo-heading) (inner-template . org-hugo-inner-template) (inline-src-block . org-hugo-inline-src-block) (keyword . org-hugo-keyword) (link . org-hugo-link) (paragraph . org-hugo-paragraph) (src-block . org-hugo-src-block) (special-block . org-hugo-special-block)) :options ((:with-toc nil "toc" org-hugo-export-with-toc) (:section-numbers nil "num" org-hugo-export-with-section-numbers) (:author "AUTHOR" nil user-full-name newline) (:creator "CREATOR" nil org-hugo-export-creator-string) (:with-smart-quotes nil "'" nil) (:with-special-strings nil "-" nil) (:with-sub-superscript nil "^" ...) (:hugo-with-locale "HUGO_WITH_LOCALE" nil nil) (:hugo-front-matter-format "HUGO_FRONT_MATTER_FORMAT" nil org-hugo-front-matter-format) (:hugo-level-offset "HUGO_LEVEL_OFFSET" nil "1") (:hugo-preserve-filling "HUGO_PRESERVE_FILLING" nil org-hugo-preserve-filling) (:hugo-delete-trailing-ws "HUGO_DELETE_TRAILING_WS" nil org-hugo-delete-trailing-ws) (:hugo-section "HUGO_SECTION" nil org-hugo-section) (:hugo-bundle "HUGO_BUNDLE" nil nil) (:hugo-base-dir "HUGO_BASE_DIR" nil org-hugo-base-dir) (:hugo-base-dir "HUGO_BASE_CONTENT_FOLDER" nil org-hugo-content-folder) (:hugo-goldmark "HUGO_GOLDMARK" nil org-hugo-goldmark) (:hugo-code-fence "HUGO_CODE_FENCE" nil t) (:hugo-use-code-for-kbd "HUGO_USE_CODE_FOR_KBD" nil org-hugo-use-code-for-kbd) (:hugo-prefer-hyphen-in-tags "HUGO_PREFER_HYPHEN_IN_TAGS" nil org-hugo-prefer-hyphen-in-tags) (:hugo-allow-spaces-in-tags "HUGO_ALLOW_SPACES_IN_TAGS" nil org-hugo-allow-spaces-in-tags) (:hugo-auto-set-lastmod "HUGO_AUTO_SET_LASTMOD" nil org-hugo-auto-set-lastmod) (:hugo-custom-front-matter "HUGO_CUSTOM_FRONT_MATTER" nil nil space) (:hugo-blackfriday "HUGO_BLACKFRIDAY" nil nil space) (:hugo-front-matter-key-replace "HUGO_FRONT_MATTER_KEY_REPLACE" nil nil space) (:hugo-date-format "HUGO_DATE_FORMAT" nil org-hugo-date-format) (:hugo-paired-shortcodes "HUGO_PAIRED_SHORTCODES" nil org-hugo-paired-shortcodes space) (:hugo-pandoc-citations "HUGO_PANDOC_CITATIONS" nil nil) (:bibliography "BIBLIOGRAPHY" nil nil newline) (:html-container "HTML_CONTAINER" nil org-hugo-container-element) (:html-container-class "HTML_CONTAINER_CLASS" nil "") (:html-container-nested "HTML_CONTAINER_NESTED" nil nil) ...) :filters ((:filter-body . org-hugo-body-filter)) :blocks nil :menu (72 "Export to Hugo-compatible Markdown" (... ... ... ... ... ...)) :feature-conditions nil :feature-implementations nil) :translate-alist ((code . org-hugo-kbd-tags-maybe) (drawer . org-hugo-drawer) (example-block . org-hugo-example-block) (export-block . org-hugo-export-block) (export-snippet . org-hugo-export-snippet) (headline . org-hugo-heading) (inner-template . org-hugo-inner-template) (inline-src-block . org-hugo-inline-src-block) (keyword . org-hugo-keyword) (link . org-hugo-link) (paragraph . org-hugo-paragraph) (src-block . org-hugo-src-block) (special-block . org-hugo-special-block) (center-block . org-blackfriday-center-block) (example-block . org-blackfriday-example-block) (fixed-width . org-blackfriday-fixed-width) (footnote-reference . org-blackfriday-footnote-reference) (inner-template . org-blackfriday-inner-template) (italic . org-blackfriday-italic) (item . org-blackfriday-item) (latex-environment . org-blackfriday-latex-environment) (latex-fragment . org-blackfriday-latex-fragment) (line-break . org-html-line-break) (plain-list . org-blackfriday-plain-list) (plain-text . org-blackfriday-plain-text) (quote-block . org-blackfriday-quote-block) (radio-target . org-blackfriday-radio-target) (special-block . org-blackfriday-special-block) (src-block . org-blackfriday-src-block) (strike-through . org-blackfriday-strike-through) (table-cell . org-blackfriday-table-cell) (table-row . org-blackfriday-table-row) ...) :exported-data #<hash-table eq 11/4001 0x6fa913 ...> :input-buffer "20221118190112-artins-lemma.org" :input-file "/home/ax/docs/20-work/25-notes/20221118190112-artins-lemma.org" :with-toc nil :section-numbers nil :author "Alexandre " :creator "Emacs 31.0.50 (Org mode 9.7.11 + ox-hugo)" :with-smart-quotes nil :with-special-strings nil :with-sub-superscript {} :hugo-with-locale nil :hugo-front-matter-format "yaml" :hugo-level-offset "1" ...))
  #f(compiled-function (element) #<bytecode 0x11ede67e3c138c63>)((latex-fragment (:standard-properties [217 nil nil nil 221 1 nil nil nil nil nil nil nil nil #<buffer 20221118190112-artins-lemma.org<2>> nil nil (paragraph (:standard-properties [213 213 213 341 341 1 nil nil nil nil nil nil nil nil #<buffer 20221118190112-artins-lemma.org<2>> nil nil (special-block ... #6 ... ... ...)]) #("Let " 0 4 (:parent #6)) #1 #("be a family of subgroups of a finite group " 0 43 (:parent #6)) (latex-fragment (:standard-properties [264 nil nil nil 267 0 nil nil nil nil nil nil nil nil #<buffer 20221118190112-artins-lemma.org<2>> nil nil #6] :value [org-element-deferred org-element--substring ... t])) #(". Let " 0 6 (:parent #6)) (latex-fragment (:standard-properties [273 nil nil nil 309 0 nil nil nil nil nil nil nil nil #<buffer 20221118190112-artins-lemma.org<2>> nil nil #6] :value [org-element-deferred org-element--substring ... t])) #(".\nThe following are equivalent:\n" 0 32 (:parent #6)))] :value "$X$")))
  mapconcat(#f(compiled-function (element) #<bytecode 0x11ede67e3c138c63>) (#("Let " 0 4 (:parent (paragraph (:standard-properties [213 213 213 341 341 1 nil nil nil nil nil nil nil nil #<buffer 20221118190112-artins-lemma.org<2>> nil nil (special-block ... #6 ... ... ...)]) . #2))) (latex-fragment (:standard-properties [217 nil nil nil 221 1 nil nil nil nil nil nil nil nil #<buffer 20221118190112-artins-lemma.org<2>> nil nil (paragraph (:standard-properties [213 213 213 341 341 1 nil nil nil nil nil nil nil nil #<buffer 20221118190112-artins-lemma.org<2>> nil nil ...]) . #2)] :value "$X$")) #("be a family of subgroups of a finite group " 0 43 (:parent (paragraph (:standard-properties [213 213 213 341 341 1 nil nil nil nil nil nil nil nil #<buffer 20221118190112-artins-lemma.org<2>> nil nil (special-block ... #8 ... ... ...)]) . #2))) (latex-fragment (:standard-properties [264 nil nil nil 267 0 nil nil nil nil nil nil nil nil #<buffer 20221118190112-artins-lemma.org<2>> nil nil (paragraph (:standard-properties [213 213 213 341 341 1 nil nil nil nil nil nil nil nil #<buffer 20221118190112-artins-lemma.org<2>> nil nil ...]) . #2)] :value [org-element-deferred org-element--substring (0 3) t])) #(". Let " 0 6 (:parent (paragraph (:standard-properties [213 213 213 341 341 1 nil nil nil nil nil nil nil nil #<buffer 20221118190112-artins-lemma.org<2>> nil nil (special-block ... #10 ... ... ...)]) . #2))) (latex-fragment (:standard-properties [273 nil nil nil 309 0 nil nil nil nil nil nil nil nil #<buffer 20221118190112-artins-lemma.org<2>> nil nil (paragraph (:standard-properties [213 213 213 341 341 1 nil nil nil nil nil nil nil nil #<buffer 20221118190112-artins-lemma.org<2>> nil nil ...]) . #2)] :value [org-element-deferred org-element--substring (0 36) t])) #(".\nThe following are equivalent:\n" 0 32 (:parent (paragraph (:standard-properties [213 213 213 341 341 1 nil nil nil nil nil nil nil nil #<buffer 20221118190112-artins-lemma.org<2>> nil nil (special-block ... #12 ... ... ...)]) . #2)))) "")
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  org-export-as(hugo nil nil nil (:output-file "/home/ax/test/quartz/content/posts/20221118190112-artins-lemma.md"))
  org-export-to-file(hugo "/home/ax/test/quartz/content/posts/20221118190112-artins-lemma.md" nil nil nil)
  org-hugo-export-to-md(nil nil nil)
  org-hugo--export-file-to-md("20221118190112-artins-lemma.org" nil nil nil)
  org-hugo-export-wim-to-md(nil)
  funcall-interactively(org-hugo-export-wim-to-md nil)
  command-execute(org-hugo-export-wim-to-md record)
  execute-extended-command(nil "org-hugo-export-wim-to-md" nil)
  funcall-interactively(execute-extended-command nil "org-hugo-export-wim-to-md" nil)
  command-execute(execute-extended-command)

What can I do, are there workarounds ?

I opened an issue on their side as well: tecosaur/org-latex-preview-todos#54

[aatmunbaxi]

I can't really call this a fix, but I at least managed to get a hugo export with LaTeX fragments by overriding the function org-html-format-latex, which seems to be the offending function. The issue seems to be a missing argument for the macro org-export-with-buffer-copy, which the offending function doesn't pass in. Here's my workaround:

(defun fixed?-org-html-format-latex (latex-frag processing-type info)
   "Format a LaTeX fragment LATEX-FRAG into HTML.
PROCESSING-TYPE designates the tool used for conversion.  It can
be `mathjax', `verbatim', `html', nil, t or symbols in
`org-preview-latex-process-alist', e.g., `dvipng', `dvisvgm' or
`imagemagick'.  See `org-html-with-latex' for more information.
INFO is a plist containing export properties."
  (let ((cache-relpath "") (cache-dir ""))
    (unless (or (eq processing-type 'mathjax)
                (eq processing-type 'html))
      (let ((bfn (or (buffer-file-name)
		     (make-temp-name
		      (expand-file-name "latex" temporary-file-directory))))
	    (latex-header
	     (let ((header (plist-get info :latex-header)))
	       (and header
		    (concat (mapconcat
			     (lambda (line) (concat "#+LATEX_HEADER: " line))
			     (org-split-string header "\n")
			     "\n")
			    "\n")))))
	(setq cache-relpath
	      (concat (file-name-as-directory org-preview-latex-image-directory)
		      (file-name-sans-extension
		       (file-name-nondirectory bfn)))
	      cache-dir (file-name-directory bfn))
	(setq latex-frag (concat latex-header latex-frag))))
    (org-export-with-buffer-copy nil ;; <-- this `nil' is the only difference
                                 :to-buffer (get-buffer-create " *Org HTML Export LaTeX*")
                                 :drop-visibility t :drop-narrowing t :drop-contents t
                                 (erase-buffer)
                                 (insert latex-frag)
                                 (org-format-latex cache-relpath nil nil cache-dir nil
		                                   "Creating LaTeX Image..." nil processing-type)
                                 (buffer-string))))

(advice-add #'fixed?-org-html-format-latex
            :override #'org-html-format-latex)

Notice the nil passed into org-export-with-buffer-copy, which is the only difference.