     (underline . org-pptx-underline)
     (verbatim . org-pptx-verbatim)
     (verse-block . org-pptx-verse-block))
+
+:filters-alist
+  '((:filter-body . ox-pptx-filter-body)
+    (:filter-bold . ox-pptx-filter-bold)
+    (:filter-babel-call . ox-pptx-filter-babel-call)
+    (:filter-center-block . ox-pptx-filter-center-block)
+    (:filter-clock . ox-pptx-filter-clock)
+    (:filter-code . ox-pptx-filter-code)
+    (:filter-comment . ox-pptx-filter-comment)
+    (:filter-comment-block . ox-pptx-filter-comment-block)
+    (:filter-diary-sexp . ox-pptx-filter-diary-sexp)
+    (:filter-drawer . ox-pptx-filter-drawer)
+    (:filter-dynamic-block . ox-pptx-filter-dynamic-block)
+    (:filter-entity . ox-pptx-filter-entity)
+    (:filter-example-block . ox-pptx-filter-example-block)
+    (:filter-export-block . ox-pptx-filter-export-block)
+    (:filter-export-snippet . ox-pptx-filter-export-snippet)
+    (:filter-final-output . ox-pptx-filter-final-output)
+    (:filter-fixed-width . ox-pptx-filter-fixed-width)
+    (:filter-footnote-definition . ox-pptx-filter-footnote-definition)
+    (:filter-footnote-reference . ox-pptx-filter-footnote-reference)
+    (:filter-headline . ox-pptx-filter-headline)
+    (:filter-horizontal-rule . ox-pptx-filter-horizontal-rule)
+    (:filter-inline-babel-call . ox-pptx-filter-inline-babel-call)
+    (:filter-inline-src-block . ox-pptx-filter-inline-src-block)
+    (:filter-inlinetask . ox-pptx-filter-inlinetask)
+    (:filter-italic . ox-pptx-filter-italic)
+    (:filter-item . ox-pptx-filter-item)
+    (:filter-keyword . ox-pptx-filter-keyword)
+    (:filter-latex-environment . ox-pptx-filter-latex-environment)
+    (:filter-latex-fragment . ox-pptx-filter-latex-fragment)
+    (:filter-line-break . ox-pptx-filter-line-break)
+    (:filter-link . ox-pptx-filter-link)
+    (:filter-node-property . ox-pptx-filter-node-property)
+    ;;   omit filter with different args
+    ;;   (:filter-options . ox-pptx-filter-options)
+    (:filter-paragraph . ox-pptx-filter-paragraph)
+    ;;   omit filter with different args
+    ;;   (:filter-parse-tree . ox-pptx-filter-parse-tree)
+    (:filter-plain-list . ox-pptx-filter-plain-list)
+    (:filter-plain-text . ox-pptx-filter-plain-text)
+    (:filter-planning . ox-pptx-filter-planning)
+    (:filter-property-drawer . ox-pptx-filter-property-drawer)
+    (:filter-quote-block . ox-pptx-filter-quote-block)
+    (:filter-radio-target . ox-pptx-filter-radio-target)
+    (:filter-section . ox-pptx-filter-section)
+    (:filter-special-block . ox-pptx-filter-special-block)
+    (:filter-src-block . ox-pptx-filter-src-block)
+    (:filter-statistics-cookie . ox-pptx-filter-statistics-cookie)
+    (:filter-strike-through . ox-pptx-filter-strike-through)
+    (:filter-subscript . ox-pptx-filter-subscript)
+    (:filter-superscript . ox-pptx-filter-superscript)
+    (:filter-table . ox-pptx-filter-table)
+    (:filter-table-cell . ox-pptx-filter-table-cell)
+    (:filter-table-row . ox-pptx-filter-table-row)
+    (:filter-target . ox-pptx-filter-target)
+    (:filter-timestamp . ox-pptx-filter-timestamp)
+    (:filter-underline . ox-pptx-filter-underline)
+    (:filter-verbatim . ox-pptx-filter-verbatim)
+    (:filter-verse-block . ox-pptx-filter-verse-block))
+
   :menu-entry
   '(?p "Export to PowerPoint"
        ((?p "To file" org-pptx-export-to-pptx)

         (outfile (org-compile-file scmfile process "pptx" nil logbuf)))
    outfile))

(provide 'ox-pptx)

  "List of jar files to use as classpath for Kawa + POI."
  :group 'org-export-pptx
  :type '(repeat (file :must-match t)))

(defcustom org-pptx-debug-filters
  nil
  "Whether to insert debug filter tags in Scheme output."
  :group 'org-export-pptx
  :type 'boolean)


