"Fix" the unicode URL bug.

[dead/lwn-epub.git] / src / LWN / Page.hs

diff --git a/src/LWN/Page.hs b/src/LWN/Page.hs
index cdcd1a602e1add49f729f5a5f7263eebae2e69a5..c39a2f5126fd6d474f3ec0d902662a4f6c42d176 100644 (file)
--- a/src/LWN/Page.hs
+++ b/src/LWN/Page.hs
@@ -163,8 +163,9 @@ replace_remote_img_srcs image_map =
     change_src_func :: String -> String
     change_src_func old_src =
       case Map.lookup old_src image_map of
-        -- Leave it alone if we don't have the file locally
-        Nothing -> old_src
+        -- If we don't have the file, empty the src. Pandoc will crash
+        -- otherwise.
+        Nothing -> ""
         Just v -> v
 
     change_src :: (ArrowXml a) => a XmlTree XmlTree
@@ -302,9 +303,9 @@ fp_parse :: IOSArrow XmlTree XmlTree -> IO (Maybe Page)
 fp_parse xml = do
     hl <- parse_headline xml
     parsed_articles <- fp_parse_articles xml
-    case parsed_articles of
-      []          -> return Nothing
-      x -> return $ Just $ FullPage (fromJust hl) x
+    return $ case parsed_articles of
+      [] -> Nothing
+      x  -> Just $ FullPage (fromJust hl) x