From 21a2acaac9ee59b8c63dde78e99d46262518819c Mon Sep 17 00:00:00 2001
From: fiddlosopher <fiddlosopher@788f1e2b-df1e-0410-8736-df70ead52e1b>
Date: Wed, 29 Aug 2007 01:51:03 +0000
Subject: Split 'title' into 'linkTitle' and 'referenceTitle', since the rules
 are slightly different.

git-svn-id: https://pandoc.googlecode.com/svn/trunk@952 788f1e2b-df1e-0410-8736-df70ead52e1b
---
 src/Text/Pandoc/Readers/Markdown.hs | 33 +++++++++++++++++++--------------
 1 file changed, 19 insertions(+), 14 deletions(-)

(limited to 'src')

diff --git a/src/Text/Pandoc/Readers/Markdown.hs b/src/Text/Pandoc/Readers/Markdown.hs
index ad224e212..eb566491d 100644
--- a/src/Text/Pandoc/Readers/Markdown.hs
+++ b/src/Text/Pandoc/Readers/Markdown.hs
@@ -168,10 +168,20 @@ referenceKey = try $ do
   optional (char '<')
   src <- many (noneOf "> \n\t")
   optional (char '>')
-  tit <- option "" title 
+  tit <- option "" referenceTitle 
   blanklines 
   return $ KeyBlock label (removeTrailingSpace src,  tit)
 
+referenceTitle = try $ do 
+  skipSpaces
+  optional newline
+  skipSpaces
+  tit <-    (charsInBalanced '(' ')' >>= return . unwords . words)
+        <|> do delim <- char '\'' <|> char '"'
+               manyTill anyChar (try (char delim >> skipSpaces >>
+                                      notFollowedBy (noneOf ")\n")))
+  return $ decodeCharacterReferences tit
+
 noteMarker = string "[^" >> manyTill (noneOf " \t\n") (char ']')
 
 rawLine = try $ do
@@ -793,25 +803,20 @@ source = try $ do
   optional (char '<')
   src <- many (noneOf ")> \t\n")
   optional (char '>')
-  tit <- option "" title
+  tit <- option "" linkTitle
   skipSpaces
   char ')'
   return (removeTrailingSpace src, tit)
 
-titleWith startChar endChar = try $ do
-  leadingSpace <- many1 (oneOf " \t\n")
-  if length (filter (=='\n') leadingSpace) > 1
-    then fail "title must be separated by space and on same or next line"
-    else return ()
-  char startChar
-  tit <- manyTill anyChar (try (char endChar >> skipSpaces >>
-                                notFollowedBy (noneOf ")\n")))
+linkTitle = try $ do 
+  skipSpaces
+  optional newline
+  skipSpaces
+  delim <- char '\'' <|> char '"'
+  tit <-   manyTill anyChar (try (char delim >> skipSpaces >>
+                                  notFollowedBy (noneOf ")\n")))
   return $ decodeCharacterReferences tit
 
-title = choice [ titleWith '(' ')', 
-                 titleWith '"' '"', 
-                 titleWith '\'' '\''] <?> "title"
-
 link = try $ do
   label <- reference
   src <- source <|> referenceLink label
-- 
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