Update the migration guide
authorMatthias Clasen <mclasen@redhat.com>
Mon, 7 Nov 2016 19:59:23 +0000 (14:59 -0500)
committerMatthias Clasen <mclasen@redhat.com>
Mon, 7 Nov 2016 19:59:23 +0000 (14:59 -0500)
commitb86816438147ffe61959218524f59c44581ee006
tree755e7d68fdc07c5d639c44fd17dc3c50e7ce0c17
parent12d9451b1cb1e38e7431c552925d55e2d5fc3482
Update the migration guide

Mention some removed CSS extensions.
docs/reference/gtk/migrating-3to4.xml