Thanks. A rebuild of emacs did indeed fix it. John ----------------------------------- Professor John Kitchin Doherty Hall A207F Department of Chemical Engineering Carnegie Mellon University Pittsburgh, PA 15213 412-268-7803 @johnkitchin http://kitchingroup.cheme.cmu.edu On Sun, Feb 14, 2016 at 11:52 PM, Kyle Meyer wrote: > John Kitchin writes: > > > I have this set: > > > > (setq org-src-fontify-natively t) > > > > but the code blocks are all black text. > > > > Is there a known issue with a transition from 8.2.10 to 8.3 that would > > affect fontification? or some previous setting that would interfere with > > it? Thanks, > > Are you using a developmental build of Emacs? If so, it should be fixed > if you update your build. > > Here are the details from Org's eb3b104 (org-src: Use font-lock-ensure > to highlight blocks, 2016-01-29): > > * lisp/org-src.el (org-src-font-lock-fontify-block): Use > org-font-lock-ensure instead of font-lock-fontify-buffer. > > This replacement has previously been made (f36b19e, d81e6b5) and then > reverted > (99f9999, 003a0f1) twice because source blocks were not being reliably > highlighted when font-lock-ensure was used instead of > font-lock-fontify-buffer. This was due to a bug in font-lock-ensure > that has now been fixed (see Emacs's 21beb19 and bug#22399). > > font-lock-ensure was introduced after Emacs 24.5, so this issue only > pertains to users with a developmental version of Emacs. > > -- > Kyle >