LaTeX reader & writer: Use \and to separate authors.

Closes #279.

src/Text/Pandoc/Readers/LaTeX.hs

@@ -407,8 +407,10 @@ title = try $ do
 authors :: GenParser Char ParserState Block
 authors = try $ do
   string "\\author{"
-  raw <- many1 (notFollowedBy (char '}') >> inline)
-  let authors' = map normalizeSpaces $ splitBy (== LineBreak) raw
+  let andsep = try $ string "\\and" >> notFollowedBy letter >>
+                     spaces >> return '&'
+  raw <- sepBy (many $ notFollowedBy (char '}' <|> andsep) >> inline) andsep
+  let authors' = map normalizeSpaces raw
   char '}'
   spaces
   updateState (\s -> s { stateAuthors = authors' })

tests/latex-reader.latex

@@ -17,7 +17,7 @@
 \setcounter{secnumdepth}{0}
 \VerbatimFootnotes % allows verbatim text in footnotes
 \title{Pandoc Test Suite}
-\author{John MacFarlane\\Anonymous}
+\author{John MacFarlane \and Anonymous}
 \date{July 17, 2006}
 \begin{document}
 \maketitle

tests/writer.latex

@@ -32,7 +32,7 @@
 \VerbatimFootnotes % allows verbatim text in footnotes
 
 \title{Pandoc Test Suite}
-\author{John MacFarlane\\Anonymous}
+\author{John MacFarlane \and Anonymous}
 \date{July 17, 2006}
 
 \begin{document}