Textile reader: Fixed bug with list items containing line breaks.

Now pandoc correctly handles hard line breaks inside list items.
Previously they broke list parsing.  Thanks to Pablo
Rodríguez for pointing out the problem.

src/Text/Pandoc/Readers/Textile.hs

@@ -200,7 +200,7 @@ hrule = try $ do
 -- strict in the nesting, sublist must start at exactly "parent depth
 -- plus one"
 anyList :: Parser [Char] ParserState Block
-anyList = try $ ( (anyListAtDepth 1) <* blanklines )
+anyList = try $ anyListAtDepth 1 <* blanklines
 
 -- | This allow one type of list to be nested into an other type,
 -- provided correct nesting
@@ -234,14 +234,23 @@ orderedListItemAtDepth = genericListItemAtDepth '#'
 genericListItemAtDepth :: Char -> Int -> Parser [Char] ParserState [Block]
 genericListItemAtDepth c depth = try $ do
   count depth (char c) >> optional attributes >> whitespace
-  p <- inlines
+  p <- many listInline
+  newline
   sublist <- option [] (singleton <$> anyListAtDepth (depth + 1))
-  return ((Plain p):sublist)
+  return (Plain p : sublist)
 
 -- | A definition list is a set of consecutive definition items
 definitionList :: Parser [Char] ParserState Block
 definitionList = try $ DefinitionList <$> many1 definitionListItem
 
+-- | List start character.
+listStart :: Parser [Char] st Char
+listStart = oneOf "*#-"
+
+listInline :: Parser [Char] ParserState Inline
+listInline = try (notFollowedBy newline >> inline)
+         <|> try (endline <* notFollowedBy listStart)
+
 -- | A definition list item in textile begins with '- ', followed by
 -- the term defined, then spaces and ":=". The definition follows, on
 -- the same single line, or spaned on multiple line, after a line
@@ -250,10 +259,11 @@ definitionListItem :: Parser [Char] ParserState ([Inline], [[Block]])
 definitionListItem = try $ do
   string "- "
   term <- many1Till inline (try (whitespace >> string ":="))
-  def' <- inlineDef <|> multilineDef
+  def' <- multilineDef <|> inlineDef
   return (term, def')
   where inlineDef :: Parser [Char] ParserState [[Block]]
-        inlineDef = liftM (\d -> [[Plain d]]) $ try (whitespace >> inlines)
+        inlineDef = liftM (\d -> [[Plain d]])
+                    $ optional whitespace >> many listInline <* newline
         multilineDef :: Parser [Char] ParserState [[Block]]
         multilineDef = try $ do
           optional whitespace >> newline
@@ -348,10 +358,6 @@ maybeExplicitBlock name blk = try $ do
 inline :: Parser [Char] ParserState Inline
 inline = choice inlineParsers <?> "inline"
 
--- | List of consecutive inlines before a newline
-inlines :: Parser [Char] ParserState [Inline]
-inlines = manyTill inline newline
-
 -- | Inline parsers tried in order
 inlineParsers :: [Parser [Char] ParserState Inline]
 inlineParsers = [ autoLink

tests/textile-reader.native

@@ -38,6 +38,10 @@ Pandoc (Meta {docTitle = [], docAuthors = [], docDate = []})
  [[Plain [Str "asterisk",Space,Str "1"]]
  ,[Plain [Str "asterisk",Space,Str "2"]]
  ,[Plain [Str "asterisk",Space,Str "3"]]]
+,Para [Str "With",Space,Str "line",Space,Str "breaks",Str ":"]
+,BulletList
+ [[Plain [Str "asterisk",Space,Str "1",LineBreak,Str "newline"]]
+ ,[Plain [Str "asterisk",Space,Str "2"]]]
 ,Header 2 [Str "Ordered"]
 ,Para [Str "Tight",Str ":"]
 ,OrderedList (1,DefaultStyle,DefaultDelim)

tests/textile-reader.textile

@@ -91,6 +91,12 @@ Asterisks tight:
 * asterisk 2
 * asterisk 3
 
+With line breaks:
+
+* asterisk 1
+newline
+* asterisk 2
+
 h2. Ordered
 
 Tight: