org-export: Fix filters returning a nil value
commit4d789f4c30bf778d2c7657af1593f0a0d73223e0
authorNicolas Goaziou <n.goaziou@gmail.com>
Mon, 27 Aug 2012 12:34:39 +0000 (27 14:34 +0200)
committerNicolas Goaziou <n.goaziou@gmail.com>
Mon, 27 Aug 2012 12:35:54 +0000 (27 14:35 +0200)
tree5768668ac9e7779117d2a5cfee0622d32ebfce7b
parentdc116caf10c9a82edfd0e49df63b93623f303635
org-export: Fix filters returning a nil value

* contrib/lisp/org-export.el (org-export-filter-apply-functions): If
  a filter returns nil, return last non-nil value.
contrib/lisp/org-export.el