I'm not trying to save it as anything. I'm just clicking the Save button and Sigil gives me that error. So the question becomes, why does Sigil think I'm trying to save it as HTML?
(This is the first time the file/project/whatever it's called is being saved, if that matters.)
Okay, taking a hint from your reply, instead of clicking Save, I chose Save As.. in the File menu. The project saved just fine. Phew! Thanks Alan.
Note to developer: the Save As... dialog has no other options than ePub. So at this stage of development it should be grayed out and Save should just save instead of putting up that unhelpful error.
Last edited by rstevenson; 06-23-2011 at 09:00 PM.