Removed writerTeXLigatures.

Make `smart` extension work in LaTeX/ConTeXt writers instead.

Instead of `-t latex --no-tex-ligatures`, do `-t latex-smart`.

MANUAL.txt

@@ -697,20 +697,6 @@ Options affecting specific writers
     be numbered "1.5", specify `--number-offset=1,4`.
     Offsets are 0 by default.  Implies `--number-sections`.
 
-`--no-tex-ligatures`
-
-:   Do not use the TeX ligatures for quotation marks, apostrophes,
-    and dashes (`` `...' ``, ` ``..'' `, `--`, `---`) when
-    writing or reading LaTeX or ConTeXt.  In reading LaTeX,
-    parse the characters `` ` ``, `'`, and `-` literally, rather
-    than parsing ligatures for quotation marks and dashes.  In
-    writing LaTeX or ConTeXt, print unicode quotation mark and
-    dash characters literally, rather than converting them to
-    the standard ASCII TeX ligatures.  Note: If you use literal
-    curly quotes, dashes, and ellipses in your source, then you
-    may want to use disable the `smart` extension in your
-    source format.
-
 `--listings`
 
 :   Use the [`listings`] package for LaTeX code blocks
@@ -3185,15 +3171,23 @@ Typography
 
 Interpret straight quotes as curly quotes, `---` as em-dashes,
 `--` as en-dashes, and `...` as ellipses. Nonbreaking spaces are
-inserted after certain abbreviations, such as "Mr."
+inserted after certain abbreviations, such as "Mr."  This
+option currently affects the input formats `markdown`,
+`commonmark`, `latex`, `mediawiki`, `org`, `rst`, and `twiki`,
+and the output formats `markdown`, `latex`, and `context`.
 
 Note: If you are *writing* Markdown, then the `smart` extension
 has the reverse effect: what would have been curly quotes comes
 out straight.
 
-If your LaTeX template or any included header file call
-for the [`csquotes`] package, pandoc will detect this
-automatically and use `\enquote{...}` for quoted text.
+In LaTeX, `smart` means to use the standard TeX ligatures
+for quotation marks (` `` ` and ` '' ` for double quotes,
+`` ` `` and `` ' `` for single quotes) and dashes (`--` for
+en-dash and `---` for em-dash).  If `smart` is disabled,
+then in reading LaTeX pandoc will parse these characters
+literally.  In writing LaTeX, enabling `smart` tells pandoc
+to use the ligatures when possible; if `smart` is disabled
+pandoc will use unicode quotation mark and dash characters.
 
 Citations
 ---------

pandoc.hs

@@ -146,7 +146,6 @@ convertWithOpts opts args = do
               , optSlideLevel            = slideLevel
               , optSetextHeaders         = setextHeaders
               , optAscii                 = ascii
-              , optTeXLigatures          = texLigatures
               , optDefaultImageExtension = defaultImageExtension
               , optExtractMedia          = mbExtractMedia
               , optTrace                 = trace
@@ -330,7 +329,6 @@ convertWithOpts opts args = do
                             writerHighlight        = highlight,
                             writerHighlightStyle   = highlightStyle,
                             writerSetextHeaders    = setextHeaders,
-                            writerTeXLigatures     = texLigatures,
                             writerEpubMetadata     = epubMetadata,
                             writerEpubStylesheet   = epubStylesheet,
                             writerEpubFonts        = epubFonts,
@@ -570,7 +568,6 @@ data Opt = Opt
     , optSlideLevel        :: Maybe Int  -- ^ Header level that creates slides
     , optSetextHeaders     :: Bool       -- ^ Use atx headers for markdown level 1-2
     , optAscii             :: Bool       -- ^ Use ascii characters only in html
-    , optTeXLigatures      :: Bool       -- ^ Use TeX ligatures for quotes/dashes
     , optDefaultImageExtension :: String -- ^ Default image extension
     , optExtractMedia      :: Maybe FilePath -- ^ Path to extract embedded media
     , optTrace             :: Bool       -- ^ Print debug information
@@ -634,7 +631,6 @@ defaultOpts = Opt
     , optSlideLevel            = Nothing
     , optSetextHeaders         = True
     , optAscii                 = False
-    , optTeXLigatures          = True
     , optDefaultImageExtension = ""
     , optExtractMedia          = Nothing
     , optTrace                 = False
@@ -955,11 +951,6 @@ options =
                  "NUMBERS")
                  "" -- "Starting number for sections, subsections, etc."
 
-    , Option "" ["no-tex-ligatures"]
-                 (NoArg
-                  (\opt -> return opt { optTeXLigatures = False }))
-                 "" -- "Don't use tex ligatures for quotes, dashes"
-
     , Option "" ["listings"]
                  (NoArg
                   (\opt -> return opt { optListings = True }))

src/Text/Pandoc/Options.hs

@@ -178,7 +178,6 @@ data WriterOptions = WriterOptions
   , writerHighlight        :: Bool       -- ^ Highlight source code
   , writerHighlightStyle   :: Style      -- ^ Style to use for highlighting
   , writerSetextHeaders    :: Bool       -- ^ Use setext headers for levels 1-2 in markdown
-  , writerTeXLigatures     :: Bool       -- ^ Use tex ligatures quotes, dashes in latex
   , writerEpubVersion      :: Maybe EPUBVersion -- ^ Nothing or EPUB version
   , writerEpubMetadata     :: String     -- ^ Metadata to include in EPUB
   , writerEpubStylesheet   :: Maybe String -- ^ EPUB stylesheet specified at command line
@@ -224,7 +223,6 @@ instance Default WriterOptions where
                       , writerHighlight        = False
                       , writerHighlightStyle   = pygments
                       , writerSetextHeaders    = True
-                      , writerTeXLigatures     = True
                       , writerEpubVersion      = Nothing
                       , writerEpubMetadata     = ""
                       , writerEpubStylesheet   = Nothing

src/Text/Pandoc/Writers/ConTeXt.hs

@@ -111,7 +111,7 @@ toContextDir _            = ""
 -- | escape things as needed for ConTeXt
 escapeCharForConTeXt :: WriterOptions -> Char -> String
 escapeCharForConTeXt opts ch =
- let ligatures = writerTeXLigatures opts in
+ let ligatures = isEnabled Ext_smart opts in
  case ch of
     '{'    -> "\\{"
     '}'    -> "\\}"

src/Text/Pandoc/Writers/LaTeX.hs

@@ -272,7 +272,7 @@ stringToLaTeX  _     []     = return ""
 stringToLaTeX  ctx (x:xs) = do
   opts <- gets stOptions
   rest <- stringToLaTeX ctx xs
-  let ligatures = writerTeXLigatures opts && ctx == TextString
+  let ligatures = isEnabled Ext_smart opts && ctx == TextString
   let isUrl = ctx == URLString
   when (x == '€') $
      modify $ \st -> st{ stUsesEuro = True }
@@ -938,11 +938,11 @@ inlineToLaTeX (Quoted qt lst) = do
        let inner = s1 <> contents <> s2
        return $ case qt of
                 DoubleQuote ->
-                   if writerTeXLigatures opts
+                   if isEnabled Ext_smart opts
                       then text "``" <> inner <> text "''"
                       else char '\x201C' <> inner <> char '\x201D'
                 SingleQuote ->
-                   if writerTeXLigatures opts
+                   if isEnabled Ext_smart opts
                       then char '`' <> inner <> char '\''
                       else char '\x2018' <> inner <> char '\x2019'
 inlineToLaTeX (Str str) = liftM text $ stringToLaTeX TextString str