--mathml and MathML in HTMLMathMethod longer take an argument.

The argument was for a bridge javascript that used to be necessary
in 2004.  We have removed the script already.

MANUAL.txt

@@ -945,13 +945,10 @@ Math rendering in HTML
     several pages, it is much better to link to a copy of the script,
     so it can be cached.
 
-`--mathml`[`=`*URL*]
+`--mathml`
 
 :   Convert TeX math to [MathML] (in `docbook4`, `docbook5`,
-    `html4` and `html5`).  In standalone HTML output, a small
-    JavaScript (or a link to such a script if a *URL* is
-    supplied) will be inserted that allows the MathML to be
-    viewed on some browsers.
+    `html4` and `html5`).
 
 `--jsmath`[`=`*URL*]
 

pandoc.hs

@@ -256,9 +256,6 @@ convertWithOpts opts args = do
                       LaTeXMathML Nothing -> do
                          s <- readDataFileUTF8 datadir "LaTeXMathML.js"
                          return $ ("mathml-script", s) : variables
-                      MathML Nothing -> do
-                         s <- readDataFileUTF8 datadir "MathMLinHTML.js"
-                         return $ ("mathml-script", s) : variables
                       _ -> return variables
 
   variables'' <- if format == "dzslides"
@@ -1110,10 +1107,9 @@ options =
                  "" -- "Use LaTeXMathML script in html output"
 
     , Option "" ["mathml"]
-                 (OptArg
-                  (\arg opt ->
-                      return opt { optHTMLMathMethod = MathML arg })
-                   "URL")
+                 (NoArg
+                  (\opt ->
+                      return opt { optHTMLMathMethod = MathML }))
                  "" -- "Use mathml for HTML math"
 
     , Option "" ["mimetex"]

src/Text/Pandoc/Options.hs

@@ -89,7 +89,7 @@ data HTMLMathMethod = PlainMath
                     | JsMath (Maybe String)       -- url of jsMath load script
                     | GladTeX
                     | WebTeX String               -- url of TeX->image script.
-                    | MathML (Maybe String)       -- url of MathMLinHTML.js
+                    | MathML
                     | MathJax String              -- url of MathJax.js
                     | KaTeX String String -- url of stylesheet and katex.js
                     deriving (Show, Read, Eq, Data, Typeable, Generic)

src/Text/Pandoc/Writers/Docbook.hs

@@ -117,8 +117,8 @@ writeDocbook opts (Pandoc meta blocks) = do
   main <- (render' . vcat) <$> (mapM (elementToDocbook opts' startLvl) elements)
   let context = defField "body" main
               $ defField "mathml" (case writerHTMLMathMethod opts of
-                                        MathML _ -> True
-                                        _        -> False)
+                                        MathML -> True
+                                        _      -> False)
               $ metadata
   return $ case writerTemplate opts of
            Nothing   -> main
@@ -421,8 +421,8 @@ inlineToDocbook opts (Note contents) =
   inTagsIndented "footnote" <$> blocksToDocbook opts contents
 
 isMathML :: HTMLMathMethod -> Bool
-isMathML (MathML _) = True
-isMathML _          = False
+isMathML MathML = True
+isMathML _      = False
 
 idAndRole :: Attr -> [(String, String)]
 idAndRole (id',cls,_) = ident ++ role

src/Text/Pandoc/Writers/EPUB.hs

@@ -382,7 +382,7 @@ pandocToEPUB version opts doc@(Pandoc meta _) = do
                   , writerVariables = vars
                   , writerHTMLMathMethod =
                        if epub3
-                          then MathML Nothing
+                          then MathML
                           else writerHTMLMathMethod opts
                   , writerWrapText = WrapAuto }
   metadata <- getEPUBMetadata opts' meta

src/Text/Pandoc/Writers/HTML.hs

@@ -230,10 +230,6 @@ pandocToHtml opts (Pandoc meta blocks) = do
                          H.script ! A.src (toValue url)
                                   ! A.type_ "text/javascript"
                                   $ mempty
-                      MathML (Just url) ->
-                         H.script ! A.src (toValue url)
-                                  ! A.type_ "text/javascript"
-                                  $ mempty
                       MathJax url ->
                          H.script ! A.src (toValue url)
                                   ! A.type_ "text/javascript"
@@ -903,7 +899,7 @@ inlineToHtml opts inline = do
               return $ case t of
                          InlineMath -> preEscapedString $ "<EQ ENV=\"math\">" ++ str ++ "</EQ>"
                          DisplayMath -> preEscapedString $ "<EQ ENV=\"displaymath\">" ++ str ++ "</EQ>"
-           MathML _ -> do
+           MathML -> do
               let conf = useShortEmptyTags (const False)
                            defaultConfigPP
               res <- lift $ convertMath writeMathML t str
@@ -1061,6 +1057,6 @@ isMathEnvironment s = "\\begin{" `isPrefixOf` s &&
 
 allowsMathEnvironments :: HTMLMathMethod -> Bool
 allowsMathEnvironments (MathJax _) = True
-allowsMathEnvironments (MathML _)  = True
+allowsMathEnvironments (MathML)    = True
 allowsMathEnvironments (WebTeX _)  = True
 allowsMathEnvironments _           = False

src/Text/Pandoc/Writers/TEI.hs

@@ -76,8 +76,8 @@ writeTEI opts (Pandoc meta blocks) = return $
       main    = render' $ vcat (map (elementToTEI opts startLvl) elements)
       context = defField "body" main
               $ defField "mathml" (case writerHTMLMathMethod opts of
-                                        MathML _ -> True
-                                        _        -> False)
+                                        MathML -> True
+                                        _      -> False)
               $ metadata
   in  case writerTemplate opts of
            Nothing  -> main