Markdown, RST writers: unescape URI in links, to make them readable.

(Since they aren't required to be escaped in these formats.)

src/Text/Pandoc/Writers/Markdown.hs

@@ -400,9 +400,10 @@ inlineToMarkdown _ (HtmlInline str) = return $ text str
 inlineToMarkdown _ (LineBreak) = return $ text "  \n"
 inlineToMarkdown _ Space = return $ char ' '
 inlineToMarkdown opts (Cite _ cits) = inlineListToMarkdown opts cits
-inlineToMarkdown opts (Link txt (src, tit)) = do
+inlineToMarkdown opts (Link txt (src', tit)) = do
   linktext <- inlineListToMarkdown opts txt
   let linktitle = if null tit then empty else text $ " \"" ++ tit ++ "\""
+  let src = unescapeURI src'
   let srcSuffix = if isPrefixOf "mailto:" src then drop 7 src else src
   let useRefLinks = writerReferenceLinks opts
   let useAuto = null tit && txt == [Code srcSuffix]
@@ -423,7 +424,7 @@ inlineToMarkdown opts (Image alternate (source, tit)) = do
                (alternate == [Str source]) -- to prevent autolinks
                then [Str "image"]
                else alternate
-  linkPart <- inlineToMarkdown opts (Link txt (source, tit)) 
+  linkPart <- inlineToMarkdown opts (Link txt (unescapeURI source, tit)) 
   return $ char '!' <> linkPart
 inlineToMarkdown _ (Note contents) = do 
   modify (\st -> st{ stNotes = contents : stNotes st })

src/Text/Pandoc/Writers/RST.hs

@@ -305,8 +305,9 @@ inlineToRST Space = return $ char ' '
 inlineToRST (Link [Code str] (src, _)) | src == str ||
                                          src == "mailto:" ++ str = do
   let srcSuffix = if isPrefixOf "mailto:" src then drop 7 src else src
-  return $ text srcSuffix
-inlineToRST (Link txt (src, tit)) = do
+  return $ text $ unescapeURI srcSuffix
+inlineToRST (Link txt (src', tit)) = do
+  let src = unescapeURI src'
   useReferenceLinks <- get >>= (return . writerReferenceLinks . stOptions)
   linktext <- inlineListToRST $ normalizeSpaces txt
   if useReferenceLinks
@@ -317,7 +318,8 @@ inlineToRST (Link txt (src, tit)) = do
             modify $ \st -> st { stLinks = refs' }
             return $ char '`' <> linktext <> text "`_"
     else return $ char '`' <> linktext <> text " <" <> text src <> text ">`_"
-inlineToRST (Image alternate (source, tit)) = do
+inlineToRST (Image alternate (source', tit)) = do
+  let source = unescapeURI source'
   pics <- get >>= (return . stImages)
   let labelsUsed = map fst pics 
   let txt = if null alternate || alternate == [Str ""] ||