Every generated html start with a blank line before the DOCTYPE which is illegal.
Not reproduce on skin workspace, and demo.
Every generated html start with a blank line before the DOCTYPE which is illegal.
Not reproduce on skin workspace, and demo.
Extra line before <DOCTYPE> is also present on all skins (docs, demo, workspaces, odf, ... ).
I'm not sure the skin is responsible...
The error in console is display on FF (not on Chrome, nor Edge)