Hack to make org special blocks work with gb4e

org-gb4e.el

(defun patrl/org-latex-special-block (special-block contents info)
  "Transcode a SPECIAL-BLOCK element from Org to LaTeX.
CONTENTS holds the contents of the block.  INFO is a plist
holding contextual information."
  (let ((type (org-element-property :type special-block))
	(opt (org-export-read-attribute :attr_latex special-block :options))
	(caption (org-latex--caption/label-string special-block info))
	(caption-above-p (org-latex--caption-above-p special-block info)))
    (if
	(equal (format "%s" type) "exe")
	(concat (format "\\begin{%s}%s\n" type (or opt ""))
		(and caption-above-p caption)
		"\\ex " contents
		(and (not caption-above-p) caption)
		(format "\\end{%s}" type))
      (concat (format "\\begin{%s}%s\n" type (or opt ""))
	      (and caption-above-p caption)
	      contents
	      (and (not caption-above-p) caption)
	      (format "\\end{%s}" type)))))

(org-export-define-derived-backend 'patrl/latex 'latex
  :translate-alist '((special-block . patrl/org-latex-special-block)))