Switched Writer types to use Text.

* XML.toEntities: changed type to Text -> Text.
* Shared.tabFilter -- fixed so it strips out CRs as before.
* Modified writers to take Text.
* Updated tests, benchmarks, trypandoc.

[API change]

Closes #3731.

1 files changed, 8 insertions, 5 deletions

diff --git a/src/Text/Pandoc/Writers/RST.hs b/src/Text/Pandoc/Writers/RST.hs
index b88fc2245..59f6553e2 100644
--- a/src/Text/Pandoc/Writers/RST.hs
+++ b/src/Text/Pandoc/Writers/RST.hs
@@ -35,6 +35,7 @@ import Control.Monad.State
 import Data.Char (isSpace, toLower)
 import Data.List (isPrefixOf, stripPrefix)
 import Data.Maybe (fromMaybe)
+import Data.Text (Text, stripEnd)
 import qualified Text.Pandoc.Builder as B
 import Text.Pandoc.Class (PandocMonad, report)
 import Text.Pandoc.Logging
@@ -62,7 +63,7 @@ data WriterState =
 type RST = StateT WriterState
 
 -- | Convert Pandoc to RST.
-writeRST :: PandocMonad m => WriterOptions -> Pandoc -> m String
+writeRST :: PandocMonad m => WriterOptions -> Pandoc -> m Text
 writeRST opts document = do
   let st = WriterState { stNotes = [], stLinks = [],
                          stImages = [], stHasMath = False,
@@ -71,19 +72,21 @@ writeRST opts document = do
   evalStateT (pandocToRST document) st
 
 -- | Return RST representation of document.
-pandocToRST :: PandocMonad m => Pandoc -> RST m String
+pandocToRST :: PandocMonad m => Pandoc -> RST m Text
 pandocToRST (Pandoc meta blocks) = do
   opts <- gets stOptions
   let colwidth = if writerWrapText opts == WrapAuto
                     then Just $ writerColumns opts
                     else Nothing
+  let render' :: Doc -> Text
+      render' = render colwidth
   let subtit = case lookupMeta "subtitle" meta of
                     Just (MetaBlocks [Plain xs]) -> xs
                     _                            -> []
   title <- titleToRST (docTitle meta) subtit
   metadata <- metaToJSON opts
-                (fmap (render colwidth) . blockListToRST)
-                (fmap (trimr . render colwidth) . inlineListToRST)
+                (fmap render' . blockListToRST)
+                (fmap (stripEnd . render') . inlineListToRST)
                 $ B.deleteMeta "title" $ B.deleteMeta "subtitle" meta
   body <- blockListToRST' True $ case writerTemplate opts of
                                       Just _  -> normalizeHeadings 1 blocks
@@ -94,7 +97,7 @@ pandocToRST (Pandoc meta blocks) = do
   pics <- gets (reverse . stImages) >>= pictRefsToRST
   hasMath <- gets stHasMath
   rawTeX <- gets stHasRawTeX
-  let main = render colwidth $ foldl ($+$) empty $ [body, notes, refs, pics]
+  let main = render' $ foldl ($+$) empty $ [body, notes, refs, pics]
   let context = defField "body" main
               $ defField "toc" (writerTableOfContents opts)
               $ defField "toc-depth" (show $ writerTOCDepth opts)