Tested with 0.12.0.
Obviously this is about the code in glib/demo
Created attachment 35212 [details] [review]
No gtk+ bump required (2.14 is enough).
Adding -DGSEAL_ENABLE to configure.ac might be considered.
Hey Andre, thank you very much for the patch, I've just applied it to git master.
on Jan 18, 2017 at 13:59:56.
(provided by the Example extension).