Hi Joseph, "Kyeong Soo (Joseph) Kim" <kyeongsoo....@gmail.com> writes:
> I just found out that, if I close Emacs and relaunch it, all variables for > filter (i.e., 'org-export-filter-*') are not defined. As a result, the > following elisp codes for the workaround based on both your suggestion and > the filter example in the manual causes void variable error (i.e., > "Symbol's value as variable is void: > org-export-filter-special-block-function"): Try adding: (require 'ox) before your filter definition. Best, Richard