Org: LaTeX export, allow verbatim in headings

config.org

@@ -6203,6 +6203,27 @@ the final documents.
 (require 'ox-extra)
 (ox-extras-activate '(ignore-headlines))
 #+end_src
+
+**** Accept verbatim text in headings
+
+LaTeX doesn't like it when =\verb= is used inside the argument of other commands
+apparently. This means that when it's used in a =\section= command (or similar)
+compilation fails. This is rather disappointing. So, let's change any instances
+to use =\texttt=. We'll actually hook this in the [[*Acronym formatting][Acronym formatting]] section, so
+we'll just define a function to perform this transformation for now.
+
+#+begin_src emacs-lisp
+(defun org-latex-substitute-verb-with-texttt (content)
+  "Replace instances of \\verb with \\texttt{}."
+  (replace-regexp-in-string
+   "\\\\verb\\(.\\).+?\\1"
+   (lambda (verb-string)
+     (replace-regexp-in-string
+      "\\\\" "\\\\\\\\" ; Why elisp, why?
+      (org-latex--text-markup (substring verb-string 6 -1) 'code '(:latex-text-markup-alist ((code . protectedtexttt))))))
+   content))
+#+end_src
+
 **** Acronym formatting
 I like automatically using spaced small caps for acronyms. For strings I want to
 be unaffected let's use ~;~ as a prefix to prevent the transformation --- i.e.
@@ -6256,7 +6277,8 @@ Ignore if preceeded by \";\" (for manual prevention) or \"\\\" (for LaTeX comman
 (defun org-latex-format-headline-acronymised (todo todo-type priority text tags info)
   "Like `org-latex-format-headline-default-function', but with acronym formatting."
   (org-latex-format-headline-default-function
-   todo todo-type priority (org-export-filter-text-acronym text 'latex info) tags info))
+   todo todo-type priority (org-latex-substitute-verb-with-texttt
+                            (org-export-filter-text-acronym text 'latex info)) tags info))
 (setq org-latex-format-headline-function #'org-latex-format-headline-acronymised)
 #+end_src