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-rw-r--r--src/GF/Data/XML.hs3
1 files changed, 2 insertions, 1 deletions
diff --git a/src/GF/Data/XML.hs b/src/GF/Data/XML.hs
index 03965fba7..94d8e354a 100644
--- a/src/GF/Data/XML.hs
+++ b/src/GF/Data/XML.hs
@@ -12,7 +12,7 @@ module GF.Data.XML (XML(..), Attr, comments, showsXMLDoc, showsXML) where
import GF.Data.Utilities
-data XML = Data String | CData String | Tag String [Attr] [XML] | Comment String
+data XML = Data String | CData String | Tag String [Attr] [XML] | Comment String | Empty
deriving (Ord,Eq,Show)
type Attr = (String,String)
@@ -32,6 +32,7 @@ showsXML (Tag t as cs) =
showChar '<' . showString t . showsAttrs as . showChar '>'
. concatS (map showsXML cs) . showString "</" . showString t . showChar '>'
showsXML (Comment c) = showString "<!-- " . showString c . showString " -->"
+showsXML (Empty) = id
showsAttrs :: [Attr] -> ShowS
showsAttrs = concatS . map (showChar ' ' .) . map showsAttr