Latex export sometimes fails when I put a link in a headline  Usually,
links in headlines work fine but below is an example that doesn't (error
message in emacs buffer attached); If I remove the link, the export is
successful.

-- tmp.org -----------------------------------------------------------------

* Some section  [[
http://orgmode.org/manual/Column-groups.html#Column-groups][A random link]]

  - Item A
  - Item B
  - Item C

--- My setup --------------------------------------------------------------
Emacs  : GNU Emacs 25.1.1 (i686-w64-mingw32)
 of 2016-09-17
Package: Org mode version 9.0.1 (9.0.1-elpa @
c:/Users/scott/OneDrive/scotto/.emacs.d/elpa/org-20161118/)