replace implicit styling at the top, and catch style missing case

aqt/editor.py

@@ -287,6 +287,19 @@ document.onclick = function (evt) {
 
 def _filterHTML(html):
     doc = BeautifulSoup(html)
+    # remove implicit regular font style from outermost element
+    if doc.span:
+        try:
+            attrs = doc.span['style'].split(";")
+        except (KeyError, TypeError):
+            attrs = []
+        if attrs:
+            new = []
+            for attr in attrs:
+                sattr = attr.strip()
+                if sattr and sattr not in ("font-style: normal", "font-weight: normal"):
+                    new.append(sattr)
+            doc.span['style'] = ";".join(new)
     # filter out implicit formatting from webkit
     for tag in doc("span", "Apple-style-span"):
         preserve = ""
@@ -335,15 +348,6 @@ def _filterHTML(html):
     for elem in "html", "head", "body", "meta":
         for tag in doc(elem):
             tag.replaceWithChildren()
-    # remove outer styling if implicit
-    if doc.span:
-        hadExtraAttr = False
-        for attr in doc.span['style'].split(";"):
-            attr = attr.strip()
-            if attr and attr not in ("font-style: normal", "font-weight: normal"):
-                hadExtraAttr = True
-        if hadExtraAttr:
-            doc.span.replaceWithChildren()
     html = unicode(doc)
     return html