Wybren report #1709:

Deleting only-faces from fgon still draws wires hidden in editmode.

Added extra: when mesh has no faces, it draws wire in solid view, also
doesn't draw the 'fat' outline for selection.

1 files changed, 6 insertions, 0 deletions

diff --git a/source/blender/src/editmesh_lib.c b/source/blender/src/editmesh_lib.c
index c3f7a069de7..35c506754f8 100644
--- a/source/blender/src/editmesh_lib.c
+++ b/source/blender/src/editmesh_lib.c
@@ -1594,6 +1594,12 @@ void EM_fgon_flags(void)
 		BLI_addtail(&em->faces, efa);
 		efa= efan;
 	}
+	
+	// remove fgon flags when edge not in fgon (anymore)
+	for(eed= em->edges.first; eed; eed= eed->next) {
+		if(eed->fgoni==0) eed->h &= ~EM_FGON;
+	}
+	
 }