inline src bugfix
keep up with babel/exporter changes - esp noweb handing
cleanly lookup backend from transcoders
adjust to new exporter in master
adjust to new exporter in master
adjust to new exporter in master
COMMENT subtrees no longer tangle - use noexport instead
add filter-markup.org
add GPL verbiage to filter-markup.org
edit typos make latex code verbatim in filter-headline.org
save-excursion on before-parsing hooks
(require 'ox- not 'org-